In the two experiments, the proposed model and platform manage real-time environmental data. The sensors are in-situ sensors whose location is fixed during the observation. SensorML can describe both in-situ and mobile sensors [ 37 ] such as the GPS receiver sensor on moving taxis in the Sensor Web Service Platform [ 42 ] and a camera sensor on a car [ 35 ].
The air quality information from the pollutants is mined using the AQI method, while the soil moisture thematic map is constructed from the observed data using the IDWI method. The time from data collection to observation to server is 1. The request and visualization time of SOS is 2.
The soil moisture mapping time is 7. The time efficiency means it can meet the requirements of many types of environmental data applications, as the examples air quality monitoring and soil moisture monitoring in this study show. Therefore, the real-time GIS data model and Sensor Web Service Platform are seamlessly integrated to manage real-time environmental data. The main aim of this study was to propose a method integrating a real-time GIS data model and a Sensor Web Service Platform under a Geospatial Service Web framework for environmental data management.
Two experiments, real-time air quality monitoring and real-time soil moisture monitoring in Wuhan, were performed. The experimental results show that using the proposed method to manage real-time environmental data is feasible and effective. Future work will focus on analyzing the scientific problems associated with the two experimental results. As the objective of the experiments is to demonstrate the proposed model and platform under a GSW framework and their applications for environmental data management, the management processes are illustrated in two experiments, instead of an analysis of the implied meaning and reason for the results.
Int J Health Geogr. Published online Jan 9. PMID: Corresponding author. Received Nov 17; Accepted Dec This article is published under license to BioMed Central Ltd. This article has been cited by other articles in PMC. Abstract Background Effective environmental data management is meaningful for human health.
Real-time GIS data model and sensor web service platform for environmental data management
Results To support the realization of the proposed real-time GIS data model, a Sensor Web service platform is implemented. Conclusions The experimental results show that the method integrating real-time GIS data model and Sensor Web Service Platform is an effective way to manage environmental data under the Geospatial Service Web framework.
- European geographic information infrastructures : opportunities and pitfalls in SearchWorks catalog.
- Looking for other ways to read this?.
- GIS Tips – GIS and the Law | The Spatial Blog.
- One hundred summers : a Kiowa calendar record!
- Divertimento 1889?
- Occupational Therapy and Vocational Rehabilitation.
Background Environmental data are some of the most critical information sources for evaluating, preventing, and alleviating the adverse effects of the environment on human health. Open in a separate window. Figure 1. Sensor Sensor : Various sensors containing space-borne, air-borne, and ground sensors.
Observation Observation : The behaviour of observable attributes from various sensors provides observational data for the model. Geographic Object Geo-Object : Either physical entities or social phenomenon formed naturally or artificially, expressed with clear boundaries or not, as the objects of GIS research in the real world. Object Object : Single entity in the real world; a Geo-Object can contain one or multiple objects. Spatiotemporal Process StProcess : The Spatiotemporal Process is a periodized change process of a complex geographic phenomenon in a timeline, and the processes refer to a series of Geo-Objects and their interactions.
Simulation Simulation : Simulation is the imitation of the operation of a real-world process or system over time. State State : A snapshot of a geographic object at a point of time in the change process. Change Function ChFunction : In the time of research, the correspondence between an instant and the values of geospatial and thematic properties. This function can be derived from industry, scientific computing, and relevant experience.
Sensor web service platform A Sensor Web can obtain, access, manage, and process sensor data in a standardized way in real-time or near real-time [ 32 — 35 ]. Figure 2.
The framework of the Sensor Web Service Platform. Results To demonstrate the proposed method for environmental data management, a Sensor Web Service Platform was implemented that supported the realization of the real-time GIS data model.
- Economic Geographies: Circuits, Flows and Spaces?
- Fire Study (Chronicles of Ixia: Study, Book 3).
- Towards a European Spatial Metadata Infrastructure to Facilitate Land Use Planning.
- Open Access Policy!
- Stanford Libraries.
- State of the art in probability and statistics. Festschrift for W.R. Van Zwet.
- Barefoot Contessa Family Style: Easy Ideas and Recipes That Make Everyone Feel Like Family;
- Conclusion: Global Climate Change, Land Use and Why GIS is Essential!
- BOOK REVIEWS;
Figure 3. Sensor Retrieval Module: retrieves motion sensors, in-situ sensors, and remote sensors according to the specified filter criteria, such as time, space, subject, and other constraints;. Sensor Observational Data Retrieval Module: provides access to various types of sensor observation data according to the specified filter conditions and then shows these observational data in Map World in different ways;.
Sensor Control Module: controls in-situ sensors and video sensors, and provides feedback for sensor control based on these changes in sensor observational data or the method of accessing sensor observational data;. Sensor Planning Module: performs video sensor planning tasks and remote sensing satellite simulative planning tasks;. Thematic Map Module: generates thematic maps with observation data; the maps can reflect the overall situation in a specific area;.
Real-time air quality monitoring With the rapid economic growth and urbanization in Wuhan the capital city of Hubei province in China , air-pollution events such as fog or haze strike Wuhan many times each year. Figure 4. Table 1 The parameters of the real-time GIS model for air quality monitoring. Figure 5. Real-time soil moisture monitoring Soil moisture is an important environmental indicator for studying climate change, reflecting the degree of agricultural drought, and guiding agricultural irrigation. Figure 6. Implementation of the soil moisture monitoring.
Table 2 The parameters of the real-time GIS model for real-time soil moisture monitoring. Figure 7. Figure 8. Soil moisture mapping based on real-time observation data. Discussion We proposed a method based on a novel real-time GIS data model and its realization called the Sensor Web Service Platform for real-time environmental data management. Conclusions The main aim of this study was to propose a method integrating a real-time GIS data model and a Sensor Web Service Platform under a Geospatial Service Web framework for environmental data management.
Footnotes Competing interests The authors declare that they have no competing interests. Authors' contributions JGong conceived the original idea.
Contributor Information Jianya Gong, Email: nc. References 1. Environmental data management with the River Basin Information System. Kiev, Ukraine: Ieee Computer Soc; ArcObjects-based eco-environmental data management information system for Three Gorges Project; pp. Pokorny J.
Data-base architectures: Current trends and their relationships to environmental data management. Environ Model Softw. New generation sensor web enablement. Geospatial service Web. Geospatial technology for earth observation. New York: Springer; The Sensor Web: Systems of sensor systems.
Int J Digital Earth.
A Spatial Data Infrastructure for Environmental Noise Data in Europe
Spatiotemporal data model for real-time GIS. Acta Geodaetica Cartographica Sin. What about people in Regional Science? Papers Reg Sci Assoc. Spatio-temporal GIS design for exploring interactions of human activities. Cartogr Geogr Inf Sci. Armstrong M. Temporality in spatial databases; pp. Peuquet D, Duan N. Int J Geogr Inf Syst.


There are times that watching TV on a laptop (especially for engineering students!) are just more convenient than watching your shows on your actual television set. However, since we live in the advanced technological world that we do, we no longer have to fear missing our favorite reality TV shows when we are on the go or unable to reach the TV. Watching on your laptop is much easier than one may think.
Here are 5 easy ways to watch reality TV on your laptop:
Live Streaming From Cable Providers
Some TV cable providers offer live streaming of what is going on your TV, right to your laptop or even mobile device. This way you can watch the latest episode of your favorite reality show, the exact time it airs. Not a couple hours later or even the next day. You must be connected to the same Wi-Fi that your other device is connected to. Contact your cable provider to see if they offer this service and start streaming!
Digital TV Tuner Accessory
If you live within range of the broadcast signals from local television stations, a digital TV tuner accessory could help you catch up and endulge in your reality shows. The small tv tuner card connects to the USB of your laptop. On your laptop, you will generally need to install some software or program that will run the program. These TV tuner cost usually $50 for USB based ones.
Computer Monitor TV Tuners
This type of TV tuner connects to your computer monitor directly, and does not require that your computer be powered up in order to enjoy television. The device connects between your computer and monitor, and with a press of a button or click of a remote control you can switch between your computer display and your favorite TV show. You don’t have to rely on the computer at all, you only need a monitor. This way, you do not have to worry about any computer noise stopping your reality shows, and there is no software to install!
Watching TV Online
Internet speeds come in high speeds now a days, and it’s not hard to find an online site that offers TV shows available for streaming, for a fee of course. Sites like Hulu offer the latest shows, in seasons, available for you at your fingertips, you just need internet connection and a working subscription to the account.
The SlingBox helps you connect your laptop to your television cable and other video sources, as well as your wired local area network. The SlingBox is then able to share cable TV over your network, and when properly formatted, over the Internet. The device is controlled from any computer with the software installed and proper login. You can even share your home TV with any computer on your local area network or anywhere in the world with a broadband and internet connection.


An introduction to Monitran
Welcome to Monitran, a world leader in the design, development and manufacture of vibration sensors and monitoring systems for vibration and displacement measurement.
Our products include general and special purpose accelerometers, velocity sensors, eddy current probes and LVDTs. They are used in a diverse range of applications, such as; automotive, aerospace, industrial processing, power stations and wind turbines. Also, as an OEM we can design and develop custom built sensors.
We are steadily increasing our portfolio of turnkey projects working closely with our customers’ individual requirements; developing, installing and commissioning complete and sophisticated monitoring solutions.


Solar Technology Laboratory
1| Laboratory of Photovoltaic Cells and Solar Collectors
Solar technology laboratory is dedicated for detailed characterization of laboratory scale and large scale photovoltaic cells and solar-thermal systems under sun-simulated illumination.
We are equipped with high quality solar simulators (AAA), quantum efficiency measurement system and UV-preconditioning system.
The large scale solar simulator from Eternal Sun is the first in Poland simulator providing constant light irradiation on 1.5×2 m area and one of few in Europe. It was awarded as a today’s top photovoltaic technology by PV magazine in 2015 and allows measurements on third generation of photovoltaic panels requiring long time illumination.
The experimental setups present in the solar technology laboratory allows:
- Measurements of IV curves for PV panels with maximum dimensions of 1.5 x 2 m under constant illumination (AM0 or AM 1.5), at different angles between panel and a light source and determination of solar cells parameters: Isc, Imp, Voc, Vmp, FF, P max, efficiency, Rseries, Rshunt, standard test conditions (STC) data.
- Characterization of laboratory scale photovoltaic cells up to 16 x 16 cm2 under constant illumination (beam-down) and determination of solar cells parameters,
- Preconditioning test of solar panels under constant UV illumination (degradation tests),
- Characterization of spectral response (internal and external quantum efficiency) of photovoltaic cells in the range of 200-1100 nm dedicated single photovoltaic cells,
- Testing of solar-thermal systems: collectors under constant illumination and windy conditions.
2| Laboratory of Studies on Heat Pump Operating Parameters
The facility enables comprehensive research of refrigeration and air conditioning systems and heat pumps in steady state conditions and in dynamic load conditions in a wide range of operation parameters. Due to its specificity the test bench is particularly suitable for variety of multiparametric optimization research tasks.
Detailed list of exemplary tasks available for realization at the experimental facility is given below:
- Research of coupled operation of a heat pump with a set of four photovoltaic – thermal cells in natural lighting conditions for a given upper heat source thermal load;
- Research of operation of four photovoltaic – thermal cells in natural lighting conditions with a cell-powered working fluid pump;
- Research of operation of liquid-liquid, air-liquid, liquid-air and air-air type heat pumps for various thermal loads up to 16 kW, for steady state conditions according to the PN-EN 14511 standard as well as dynamic load operating conditions;
- Research of operation of refrigeration and air conditioning devices for various thermal loads up to 16 kW, for steady state conditions according to the PN-EN 14511 standard as well as dynamic load operating conditions;
- Research of heat pumps, refrigeration and air conditioning devices with variable, controlled output, multiparametric device optimization, device automatics and control systems optimization;
- Research of refrigeration compressors;
- Research of heat exchangers;
The facility incorporates a precise, controlled heat load which enables achieving highly accurate and stable measurement parameters. The thermal load appliances feature a separate precise measurement system for thermal performance calculations.
3| Laboratory of Studies on Flow Structures in Heat Transfer and Electrostatic Precipitation Processes
The facility enables comprehensive testing of operation performance and basis of physical processes occurring during electrisation and removal of dust particles (fly ash) from the flow, particularly in distributed biomass energetic sources. Due to its specificity the test bench enables:
- performance measurement of a whole passage as well as individual electrodes and their particular regions;
- visualization of flow fields distributions in interelectrode and near-electrode surface areas
- measurement of current flow in particular areas of collecting electrodes.
The experimental facility enables measurements for a real-life gas composition (outflow gas simulators) and for actual-source-ashes (system of ash introduction into the flow). The test bench enables also for operation in real-life range (100 kV) of voltages supplied at the electrodes and the actual passage width dimensions (distance between electrodes ranging from 400 mm to 500 mm).
The experimental facility is suitable for testing of fly ash coming from combustion of biomass as well as special (e.g. waste) fuels. Closed gas circulation ensures safety for the workers and the laboratory room against harmful impact of fly ash and combustion gas simulators.


+10 % Power gain
Panels combining performance and aesthetic
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I-Cell, the integrated cell
The integrated cell or i-Cell, a solar cell without busbars integrating several smaller cells on a single silicon wafer that are then connected in series within the modules. A Current
significantly lower than that of a conventional cell circulating within the module makes it possible to eliminate line losses and copper and busbar ribbons on the front face of the cells.
The concept of i-Cell brings several advantages in module integration compared to conventional solar cells:
- Low current flowing inside the strings thus decreasing resistance losses.
- Absence of busbars resulting in a 50% reduction in shading losses; 50% reduction in the consumption of the silver paste.
- An innovative interconnection process that reduces copper consumption by 75%.
- Increase of useful area (better compactness) of the module.
- Power gain of the module higher by 10% compared to the conventional module.
- Remarkable reduction in BOS investments (Balance Of Systems, BOS)


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New - "Digital Trust for Smart ICT - Cloud Computing, Internet of Things and Big Data"
ILNAS / ANEC - 03/08/2017
ILNAS will organize a new training aiming to improve the knowledge of ICT professionals in Smart ICT domains. Focus will be put on three Smart ICT domains, namely Cloud Computing, Internet of Things (IoT) and Big Data from the perspective of Digital Trust. It will help participants to better understand the Digital Trust challenges in Smart ICT sector in order to facilitate their development and to discover technical standardization activities in these domains.
Digital Trust has become an essential component for the use and development of Smart ICT. These technologies offer huge economic development prospects, but many challenges still need to be addressed to unleash their potential and widespread adoption (e.g.: security and privacy issues in all Smart ICT technologies, interoperability and connectivity problems in IoT, loss of control their data by cloud user in case of Cloud Computing and unauthorized processing of data in Big Data). In this context, standards guidelines developed by European and International standardization organizations help to minimize these challenges and to ensure an adequate level of Digital Trust.


The AcuRite Atomic Dual Alarm Clock features an illuminated color display with outdoor and indoor temperature, atomic clock and calendar, and two alarms. Offers the convenience of USB charging for compatible smartphones. The dual, programmable alarms can be set for everyday use, weekdays or weekends only. Atomic clock is radio-controlled to synchronize to the correct time broadcast by the National Institute of Standards and Technology (NIST) Radio Station, WWVB, for split-second precision accuracy. The clock automatically adjusts itself for Daylight Saving Time (DST). The outdoor sensor features powerful wireless technology, weather-resistant construction and an integrated hanger for easy mounting.
This is really unique. I have never seen a clock like this. I love that it saves on outlet space!
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A PSU, or a power supply unit, is a vital component in any computer system. It is responsible for supplying power to all the components within the computer. Like the motherboard, hard drive, and graphics card. Without a functioning PSU, the computer will not be able to function properly.
The PSU converts the alternating current (AC) from the wall outlet into a direct current (DC) that the computer components can use. The power supply unit is rated in watts, which indicates the amount of power it can supply. Higher wattage PSUs are typically needed for high-end gaming computers or workstations that require more power to run their components.
There are various types of power supplies, including ATX, SFX, and TFX. ATX power supplies are the most common type and are designed to fit in standard desktop computer cases. SFX and TFX power supplies are smaller and are typically used in small form factor builds.
When selecting a PSU, it is essential to ensure that it has enough power to meet the needs of the computer components. Additionally, it is important to choose a reliable brand and model to avoid potential damage to the computer system.
PSUs also have various features, such as modular or non-modular cables. Modular cables allow the user to only use the cables they need, which can help with cable management and airflow in the computer case. Non-modular cables, on the other hand, cannot be removed, which can lead to a cluttered case and reduced airflow.
Overall, the power supply unit is a crucial component in any computer system. Without it, the computer cannot function also it is important to select a reliable and appropriately rated PSU to ensure the smooth operation of the computer system.
Today I gave a short and concise information about the PSU also Do not forget to read What is RAM?.


Evolis Primacy Overview
The Evolis Primacy uses cutting edge card printing technology and a new inspired design to create a powerful and easy to use plastic card printer. The Primacy prints at a blazing fast 210 cards per hour while maintaining a whisper quiet 48 decibels.
The Evolis Primacy offers a wide range of encoding solutions that can be purchased with the printer or easily upgraded when you need them. It is also field upgradable to dual-sided printing with a simple activation key, no additional hardware or installation is required.
Evolis Primacy Features
- 210 Cards per Hour Color
- USB & Ethernet Standard
- 100 Input & 100 Output Card Hopper
- ENERGY STAR Certified
- Available in Single or Dual-sided
- 3 Year Unlimited Print Warranty
- FREE CardPresso XXS ID Card Design Software
Evolis Primacy Encoding Options
Magnetic encoding is the most widely used and standardized encoding option on the market today. The Primacy can be purchased with a pre-installed magnetic encoder allowing for both HiCo and LoCo magnetic encoding to be written and read on any ISO standard equipment.
Smart encoding or 'contact' encoding is where a small chip on the smart card makes physical contact with the encoder. The Primacy has an available GEMPC USB-TR smart card encoder. Confused? Contact us with questions.
Using contactless smart card encoding, the card/printer/reader does not have to make physical contact to read or encoder - hence 'Contactless'. The Primacy card printer has an available SpringCard Crazy Writer HSP Contactless Encoder.
Smart & Contactless
You guessed it, this combination has both smart and contactless encoders. Contact us with all available configuration and encoder types for this set-up.
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PCB CAM Manufacturing starts from the PCB fabrication data generated by CAD: Gerber layer images, Gerber or Excellon drill files, IPC-D-356 netlist and component information. The Gerber or Excellon files in the fabrication data are never used directly on the manufacturing equipment but always read into the CAM (Computer Aided Manufacturing) software. CAM performs the following functions
- Input of the fabrication data.
- Verification of the data; optionally DFM
- Compensation for deviations in the manufacturing processes (e.g. scaling to compensate for distortions during lamination) Panelization
- Output of the digital tools (copper patterns, solder resist image, legend image, drill files, automated optical inspection data, electrical test files
The first step is to replicate the pattern in the fabricator's CAM system on a protective mask on the copper foil PCB layers. Subsequent etching removes the unwanted copper. (Alternatively, a conductive ink can be ink-jetted on a blank (non-conductive) board. This technique is also used in the manufacture of hybrid circuits.)
- Silk screen printing uses etch-resistant inks to create the protective mask.
- Photoengraving uses a photomask and developer to selectively remove a UV-sensitive photoresist coating and thus create a photoresist mask.
- Direct imaging techniques are sometimes used for high-resolution requirements. Experiments were made with thermal resist.
- PCB milling uses a two or three-axis mechanical milling system to mill away the copper foil from the substrate. A PCB milling machine (referred to as a 'PCB Prototyper') operates in a similar way to a plotter, receiving commands from the host software that control the position of the milling head in the x, y, and (if relevant) z axis.
- Laser resist ablation Spray black paint onto copper clad laminate, place into CNC laser plotter. The laser raster-scans the PCB and ablates (vaporizes) the paint where no resist is wanted. (Note: laser copper ablation is rarely used and is considered experimental
Each trace consists of a flat, narrow part of the copper foil that remains after etching. The resistance, determined by width and thickness, of the traces must be sufficiently low for the current the conductor will carry. Power and ground traces may need to be wider than signal traces. In a multi-layer board one entire layer may be mostly solid copper to act as a ground plane for shielding and power return. For microwave circuits, transmission lines can be laid out in the form of stripline and microstrip with carefully controlled dimensions to assure a consistent impedance. In radio-frequency and fast switching circuits the inductance and capacitance of the printed circuit board conductors become significant circuit elements, usually undesired; but they can be used as a deliberate part of the circuit design, obviating the need for additional discrete components.source: https://en.wikipedia.org/wiki/Printed_circuit_board


ZK54 Fingerprint Access Control
ZK54 is an innovative biometric fingerprint reader for access control applications High-performance, high-image quality optical fingerprint sensor. The device offers the flexibility to be installed standalone or with any third party panel that supports 26-bit Wiegand. The user can be enrolled by administrator card when the device works as a standalone access control. TCP/IP and RS485 are available that the device can be used in different network. TCP/IP communication makes sure the data transition between the device and the PC can be easily done within several seconds. ZK54 can be used in tough environment because of the IP54 protection index and the wide range of operating temperature.
F707 Fingerprint Clocking Station
One touch, that’s all it takes for access control with F707 biometric reader that offer the flexibility to be installed standalone or with any third party panel that supports 26-bit Wiegand. Fast, reliable performance combined with affordability gives readers the competitive edge. Using the fastest fingerprint-matching algorithm in the industry, TASprovide unparalleled precision and speed at less than half the cost of competing vendors. Each reader has the capacity to store up to 2,200 fingerprint templates and 30,000 transactions. Enrolling users is fast and easy, since most of our readers have a user-friendly keypad and display. Managing our readers is also simple. All our readers are easily accessed through a TCP/IP or serial port, with the ability to automatically update and synchronize when networked together.
IN0-1 Fingerprint Time Attendance
INO1 is an innovative biometric fingerprint reader for time attendance applications, Built-in 2000 mAh backup battery can eliminates the trouble of power-failure. Support optional GPRS and Wi-Fi. The INO1 features the fastest commercial-based fingerprint matching algorithm and ZK high-performance, high-image quality optical fingerprint sensor. The 3″ TFT can display more information vividly, including fingerprint image quality and verification result etc. TCP/IP communication is standard and make sure the data transmission between terminal and PC can be easily done within several seconds.


Hikvision IP cameras available in a number of styles, including dome, bullet, Pan Tilt Zoom, fish eye and ANPR number plate recognition cameras, ranging from 1080P / 2MP up to 8MP. We stock a wide range of IP CCTV cameras to meet your needs and requirements with a wide selection of lens options and features including outdoor, waterproof and IR nightvision.
IP (Internet Protocol) CCTV cameras are digital video cameras which transmit and receive data over the internet or a network and are ideal for home or business surveillance. RF Concepts stock a wide range of IP cameras, including wired cameras connected by ethernet cables to a router or modem or connected wirelessly with the use of a WiFi router.
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"It is a must-have for security architects and consultants as well as enterprise security managers who are working with mobile devices and applications."Dr. Dena Haritos Tsamitis, Director, Information Networking Institute (INI) Director of Education, CyLab Carnegie Mellon University
"Good book for Android security enthusiasts and developers that also covers advance topic like reverse engineering of Android applications. A must have book for all security professionals."Sanjay Katkar, Co-Founder Quick Heal Technologies
"It's an excellent book for professional businesses that are trying to move their corporate applications on mobile / Android platform. It helped me understand the threats foreseen in Android applications and how to protect against them. Thanks for putting together a structured text on Android security."Jagmeet Malhotra, Vice President, Royal Bank of Scotland
"Smart mobile devices need smart security. If you are facing the complex challenge of securing data and applications for Android, this book provides valuable insight into the security architecture and practical guidance for safeguarding this modern platform."Gerhard Eschelbeck, Chief Technology Officer, Sophos
"Abhishek and Anmol's book Android Security: Attacks & Defenses is a great introduction to Android security. Their chapter "Reverse Engineering Android Applications" provides the groundwork for anybody interested in mobile malware analysis and cracking the nitty-gritty of most Android apps."Nicholas Falliere, Founder JEB Decompiler & Security Researcher
"In their book Android Security: Attacks and Defenses, Dubey and Misra have filled a critical gap in software security literature by providing a unique and holistic approach to addressing this critical and often misunderstood topic..."James Ransome, Senior Director, Product Security McAfee . An Intel Company
The book gives security professionals and executives a practical guide to the security implications and best practices for deploying Android platforms and applications in the (corporate) environment.Steve Martino, VP Information Security, Cisco
In this chapter, we introduce the reader to the mobile devices landscape and demonstrate why Android security matters. We analyze the evolution of mobile security threats, from basic phones to smartphones (including ones running the Android platform). We move on to introduce Android history, releases, and marketplaces for Android applications.
In this chapter, we introduce the reader to Android architecture. We cover various layers in the Android software stack, from the Linux kernel to applications, as well as the extent to which they have security implications. We then walk the reader through the Android start-up process and setup of the Android environment, and we present the various tools available to us through the Android Software Development Kit (SDK). We also provide hands-on instruction for downloading and installing the Android SDK and interacting with shell commands.
In this chapter, we introduce the reader to Android Application Architecture. We present various components that make up an Android application, and we demonstrate how these components work when an application is running, through the use of logcat. We then cover the application lifecycle phases of an Android application. By end of the chapter, the reader will be able to describe the typical components of an Android application, determine when to use these components, and understand application lifecycle phases.
In this chapter, we turn our focus to Android’s built-in security mechanisms at the platform level as well as its application layers. The reader should be familiar with Android architecture (covered in Chapter 2) and Android application basics (building blocks, frameworks) (covered in Chapter 3). This chapter builds on an understanding of the platform and application layers to demonstrate the security features provided by Android. This chapter also introduces the reader to different Interprocess Communication (IPC) mechanisms used by Android application components.
In this chapter, we focus on pen testing the Android platform and applications. We start by covering penetration methodology, discussing how to obtain details on the Android operating system. We then turn to pen testing Android applications and discuss security for Android applications. Towards the end, we talk about relatively newer issues (including storage on clouds) and patching. Finally, we showcase recent security issues for Android applications.The reader should now be familiar with Android architecture (covered in Chapter 2), Android application basics (building blocks, frameworks; covered in Chapter 3), and Android permissions and security models (covered in Chapter 4).


Will SOLIDWORKS ever be multithreaded?
SOLIDWORKS is often described as a single-threaded application. … Not all SOLIDWORKS calculations are single threaded. SOLIDWORKS can make use of approximately 1.5 processors. Most users run lots of other programs as well as SOLIDWORKS.
Is SOLIDWORKS single core or multicore?
SOLIDWORKS can use two cores for certain aspects of the software. Quad-core processors are preferred to accommodate the software’s needs as well as the needs of the operating system and other applications. It’s also important to note that for SOLIDWORKS, anything more than four cores is practically useless.
Does SOLIDWORKS need hyperthreading?
A large amount of SOLIDWORKS operations are sequential and single-threaded; therefore, hyper threading does not make much of a difference. … Therefore, SOLIDWORKS will not see much performance improvement when using hyper threading.
Are CAD programs multithreaded?
AutoCAD is predominantly a single-threaded application. … Due to the lack of multi-threading, AutoCAD can’t use more than 50% of the CPU on a dual-core computer. So, there is no significant performance gain over a single CPU computer, except in 2D regeneration.
What is the best CPU for Solidworks?
The latest 8 core i7/i9 9000 series CPU’s and equivalent Xeon E series CPU’s are the best performing for SOLIDWORKS currently.
How can I make solidworks run faster?
How to improve the performance of SOLIDWORKS.
- Adjust the Windows Visual Effects settings (found in Performance Options) for optimal performance. …
- Set the SOLIDWORKS options optimally. …
- Turn off the unused SOLIDWORKS add-ins. …
- Increase processor clock speed.
Is AMD Good for Solidworks?
Are AMD’s Ryzen 5000 Series processors good for SOLIDWORKS? Yes, AMD’s Ryzen 5000 Series processors are fantastic in this application! These new chips continue to impress, and definitely take the performance lead in most aspects of SOLIDWORKS.
Is solidworks CPU or GPU intensive?
SolidWorks, like most 3D CAD applications, is notoriously CPU-limited. … In such CPU-limited workflows, it doesn’t matter how much GPU hardware you throw at your CAD models; 3D performance will not increase, or will only increase a tiny bit.
Should I have Hyper Threading enabled?
For a single socket system, hyper-threading can boost system performance by up to 30%. For dual socket systems, hyper-threading can boost performance by up to 15%. For quad-socket (or higher) systems, performance testing with and without hyper-threading enabled is recommended.
How do I give more RAM to Solidworks?
How to set custom sized virtual memory:
- System > Advanced System Settings > Advanced (Tab) > Settings..
- Advanced (Tab) > Change..
- Untick ‘automatically manage paging file size for all drives.
- Choose the Drive you would like to utilize Virtual Memory on. ( …
- Choose Custom size button.
How do I make a graphics card in Solidworks?
Force SOLIDWORKS to Use Graphics Card Through Windows Settings
- Open Windows Settings. …
- Click on “System” and go to the “Display” section.
- Scroll down to the very bottom and select the option “Graphics settings”.
- In this dialog, make sure the app preference is set to “Desktop app” and select “Browse”.
Is 6 cores enough for CAD?
An ideal 3d Max workstation would typically have 6 cores or more on the processor, 12 – 24Gb’s of ram and a 1-2Gb (or a 4Gb card if your budget stretches to it) CAD certified graphics card to take advantage of GPU computing and CUDA for example.
Which CPU is best for AutoCAD?
To maximise your Workstations performance and budgetwe recommend selecting from the Intel Core i7 or i9 range of processors or the latest AMD Ryzen 7 or 9 processors.
Does AutoCAD need graphics card?
For AutoCAD, the video card is what handles displaying the 2D and 3D models on the screen. Only 3D models require anything more than a basic GPU, though, so if you will only be working with 2D models then you are better off saving money on the GPU and putting that money towards a faster CPU, SSD, or more RAM.


FreeBSD's base DHCP client (dhclient) currently does not support acquiring an IPv6 IP address via DHCP.
This article details how to install the dual-dhclient port to be able to acquire both an IPv4 and IPv6 address via DHCP servers on a dual-stack network.
Description from /usr/ports/net/dual-dhclient/pkg-message:
This port provides a script which spawns both /sbin/dhclient and
/usr/local/sbin/dhclient -6; this simplifies the configuration needed to
run DHCP on both protocols of a dual-stack network.
make install clean
/etc/rc.conf with the following and replace em0 with your network interface:
ifconfig_em0="DHCP" # inet ipv4 address via FreeBSD base dhclient
ifconfig_em0="inet6 DHCP" # inet6 ipv6 address via dual-dhclient.
Reboot and check if the interface acquired both DHCP addresses.
For troubleshooting check relevant logs.
DHCP IPv6 Lease File:


Cloud foundry is an open source, platform as a service governed by the Cloud Foundry Foundation.It allows anyone to deploy application and make it available to the world in few minutes. Let’s focus on the architecture of PCF to understand how it works and as usual, in the simplest possible way.
PCF elastic run time has four major components i.e. Diego, Loggregator, Cloud Controller Api and Routing. It follows single responsibility principle and each component performs a particular task.
Let’s focus on each components.
The basic component of Diego is “Cell”. Within each cell there will be multiple “container” . Application instances are run within the container.
The containers are managed by a component called “Garden”, it’s an interface and PCF uses “Garden Linux” i.e. Linux specific implementation of the interface.
Two more important components of Diego are Bulletin Board System (BBS) and “etcd” database. BBS provides api to access the Diego database.
Within the “cell” there is another component called “Rep” , it represents the cell in BBS/Auctions.
The “Executor” component of “Rep” manages the container allocations on the cell and also streams stdout and stderr to “metron”.
The “Metron” forwards the log to the “Loggregator”.
Brain is another component in Diego. It has two components Auctioneer and Converger. Brain is responsible to select appropriate cell for the staging of an application.
Loggregator receives the log from “metron” using the “Doppler” component and passes it to App syslog drains like Splunk, Papertail etc. It also also has a component “Traffic Controller” which exposes a web socket endpoint called “firehose”. Traffic Controller is responsible to display the log in console for “cf logs <app name>” command.
Apart from that “Loggregator” has another component called “Nozzle” which transfer log data in whatever format it needed to be.
- Cloud Controller API
The “cloud controller” is exposes api to manage the Elastic run time. Whenever application is pushed into the PCF, the cloud controller stores the “application packages” into a component called “Blob Store” and is also persists the “Application Data” , “Space” and “Organization” etc at a DB component called “CC_DB”.
Cloud Controller also use “CC_Bridge” to translate application specific messages to generic language tasks and LRPs.
Route is responsible to transfer traffic to the appropriate components. e.g. “cf push” it will direct to the cloud controller and for an URL it will direct to the appropriate cell which holds the specific application instance.
All these components participated to stage and run of an application in PCF. A simplified stage and run flow :
And a simplified view of Elastic run time is :
These are the basic components of PCF , for staging an application and their responsibilities. A simplified “push” sequence is:
How PCF ensures high availability, we shall discuss the PCF architecture for high availability in the next post.


Virtual reality and reality of Virtual devices.
Sitting in front of a flat-screen TV and watching video is going to feel like writing on a typewriter. And while virtual reality has peaked the interest of tech trailblazers, 2016 is the year it is expected to take measurable steps in targeting mainstream consumers.
New virtual-reality headsets are expected from major tech companies Sony, HTC and Oculus. (Facebook acquired the company for $2 billion)
Prices of the immersive headsets are already falling and are expected to fall further, while the device’s usage is broadening beyond the gaming industry.
So far, wearable technology hasn’t received a ton of love from everyday people, but it is expected to become increasingly more common in the workplace.
In 2016, wearable technology could increasingly become part of what your boss issues when you join a new company, particularly for jobs where employees aren’t sitting at desks. For instance, shipping-logistics company DHL reported productivity increased 25 percent when it put smart glasses on its shipping handlers in a pilot program.
the first wearable technology to be adopted in the work environment but other varieties would follow. For example, paramedics, surgeons and other medical professionals who work in a sterile environment could benefit by a device attached to the arm, allowing hands-free communication.
Cell phone is going to get a whole faster.
Most smartphones these days are operating on the 3G or 4G network. But all eyes are on the next generation of cell service, unsurprisingly, called 5G. Once 5G cellphone networks become standard, the network will be 100 times faster than current 4G networks, says Nitin Bhas, the Head of Research at Juniper, in an email to Entrepreneur. Various wireless carriers have begun the process of testing the new 5G network. For exampleHuawei and the research institute TNO announced in August 2015 that they will be testing a 5G network in the Netherlands, while Ericsson and Softbank began field trials and testing of 5G technologies in July 2015 in Tokyo. Even as tech companies set their focus on the 5G network, consumers won’t likely have access to it next year. Verizon has said it is aiming to have 5G commercial services available in 2017.
While the digital cryptocurrency Bitcoin has had its ups and downs in the consumer market, financial institutions are still invested in the the technology behind it — and are looking to use it with different transactions.
“It’s much quicker and potentially much more secure, hence you have a lot of banks thinking, ‘Could we in some way use distributed network, like blockchain, in this way?’” says Holden. What are these new innovations need to state. The next year will see significant momentum in this space.
Called blockchain technology, the innovation is a digital ledger or record of events. The instant, transparent nature of block chain technology makes it ideal for transfer of money across international borders — and this is what has peaked financial institutions’ interest.
Video gaming with cloud-based services.
The most powerful games of 2016 will rely on a combination of console and cloud-based power, says Steffen Sorrell, senior analyst at Juniper Research. Very immersive and powerful games still need the data center provided by a console, and Sorrell doesn’t expect that to change in 2016.
The new hot ticket in town
As if in a final coup de gras in some great revenge of the nerds take down, the newest hot form of entertainment is watching video-game stars play video games. No joke. Crowds of fans could be packed into arenas big enough to rival the largest sports teams or concerts and watch from a super-sized screens videogame professionals play games. And there’s real money on the line for the winners.
Data protection will emerge.
Every time a new home appliance becomes connected to the Internet, a new wearable device starts tracking more of our movements or a social network encourages us to put more of our feelings and vacation pictures online, more data is created. A lot more data. And that also means that parallel security measures will need to expand both in size and sophistication. New software security technologies will depend on identifying abnormalities in network behavior instead of identifying destructive code in software.
‘Cloud native’ shapes the future
Applications built from microservices running in containers have all sorts of advantages over monolithic applications. First and foremost, instead of dealing with obscure internal dependencies that make troubleshooting and updating painful, you can work with decoupled services that are individually monitored and managed.
But micro services architecture adds complications — mainly, swarms of containers to keep track of. And who manages literally billions of containers in production every day? Google, the company that in 2007 contributed the Linux kernel’s c groups container feature on which Docker was later built.
Last year Google introduced the open source Kubernetes project, which distills Google’s container management system into open source bits so mere mortals can wrangle clusters of containers at scale. This summer the project’s founder, Craig McLuckie, announced the formation of the CNCF (Cloud Native Computing Foundation), which will take Kubernetes as a starting point to build out an ecosystem for container scheduling, management, and orchestration. Watch this space carefully.
Spark ‘streaming’ accelerates
A funny thing happened to big data in 2015: Spark elbowed Hadoop out of the spotlight. Why? Because rather than processing data in big batches across many disks, as Hadoop does, Spark works its magic with small batches in big memory — close enough to real time to be indistinguishable from streaming. (Storm, a true streaming solution, has already fallen out of favor.)
Cloudera and IBM have gone all-in with Spark, while Amazon, Google, and Microsoft offer Spark as a service in their public clouds. But Spark still has major annoyances relating to memory management and resiliency, among other drawbacks. With this kind of momentum, though, you can expect many such problems to be addressed in the coming year.
Developers tap into machine learning
Not only do all the major clouds now offer analytics as a service, but they also provide machine learning APIs in the cloud; plus, open source machine learning tools abound. Ubiquitous machine learning capability enables developers to build applications that recognize patterns in gobs of data — for fraud detection, face recognition, medical diagnoses, infrastructure optimization, Web ad-serving, you name it.
Of course, some commercial software and websites have had machine learning features for years (for anticipating user actions, recommending related products, and so on). The difference today is that machine learning is broken out as a separate capability any developer can exploit, and we now have tons of data and cloud computing capacity to throw at it, including fancy new servers equipped with GPU accelerators to run machine learning algorithms.


So I use OpenVPN with IPv6 to get unlimited access to the Internet(through a VPS remotely).
Now I can establish connections from the green zone to the rest. 3 Responses to Use VPN from host in hyper-v VM. This appliance is based off the Ubuntu Server distribution line, therefore all of the required Hyper-V modules have already been included. Gateways can come in different form factors. That's to say, I have a physical Network Card and a Virtual Network Card(TAP-V9 by OpenVPN) before the Hyper-V installed. ExodusVI says: February 8, 2017 at 9:30 am. With Hyper-V, you can virtualize operating systems, hard drives, and network switches. Here’s the completed Network Connections Window, note the Bridged and Shared Hyper-V adapters. Here is the step by step hyper v network configuration tutorial for setting up internal or external bridge connection on Windows 10/8/7. Both computers were running with the LAN-TAP bridge. Hyper-V virtualised OS vpn tunneling through host Wibin.
the setup is basically I ran out of ports on my main switch but my hyper-v server has 4 NIC ports, so I figured I could use that until I can get another switch or something for this other computer I … OpenVPN Access Server is available as a Hyper-V virtual appliance for deployment on Microsoft Hyper-V compatible machines. They can be built upon Windows Server 2012, incorporated into a Top of Rack (TOR) switch, put into an existing network … Apologies for the pixelation, the Hyper-V Manager is not 4K screen friendly. To start with, create an Internal Switch in the Hyper-V Virtual Switch Manager: See Part Three of my Hyper-V tutorial on Ten Forums for detailed instructions on creating virtual switches. Simple: just set up your Hyper-V virtual machines to use the host’s VPN client and connection. And sure enough: Changing the Hyper-V advances settings on the network adapters of the Untangle virtual machine to allow MAC spoofing on both NICs solved the issue. I had OpenVPN (openvpn-install-2.4.1-I601.exe) running on my main server and just the TAP (tap-windows-9.21.2.exe) running on a test computer.
In the Hyper-V Manager open Virtual Switch Manager from the Actions menu. Microsoft Hyper-V is a Windows Server virtualization application. Since the virtual switch in Hyper-V is a “layer-2 switch,” which means that it switches (i.e. To use the virtual appliance, you must download the virtual machine and import it using the Hyper-V Manager. Posts: 1 Joined: ... IP address directly from your OpenVPN server or are you simply wanting to route all traffic from your VM through your OpenVPN connection. Since everything is set up on Hyper-V, this led me to google this particular combination "hyper-v untangle bridge". My client tests were with a Windows 8.1 64 bit laptop, and an iPhone 5 running iOS 7.0.4, and finally, a …
determines the route a certain Ethernet packet takes) using the MAC addresses that uniquely identify each (physical and virtual) network adapter card. Hyper-V and OpenVPN July 4, 2011 January 1, 2013 Greg Internet , Software , Windows [sc:windows-category ]Having converted all my VMWare VM’s to Hyper-V was a relatively smooth process and they have been working quite well over the last several months, however I have found a slight quirk and that I haven’t been able to track down yet. It's not a bug with WSL 2, WSL 2 is running as a hyper-v virtual machine. Hi, I remember some articles mentioned Windows Hyper-V does not allow you to bind a wireless network adapter to a virtual machine. We provide an Ubuntu Hyper-V image download. Now, … So in other words, this physical network adapter now plays a role as a switch for the VMs connect to it. My PC(Host Machine) has an assigned IP with MAC binding, and a data limit. OpenVPN Access Server can be installed on a Hyper-V virtual machine as a Virtual Hard Disk (VHD) Drive.
I'm running Windows 10 Build 10565 with Hyper-V role.
Note: The Hyper-V networking is very fragile here, and you may need to reboot if you get errors when trying to connect and share the connections. Name … Basic Hyper-V Networking¶. Both computers experienced the Unidentified Network problem. In Hyper-V, if you create an External Virtual Network bind to one physical network adapter, the system will remove all protocols from it, except Microsoft Virtual Network Switch protocol.
... and then bridge the Viscosity adapter to your VM adapter. Hyper-V network passthrough allows us to connect the internet as well as local LAN resources simultaneously. Even if you choose the Hyper-V (Ubuntu) appliance, or the installable Windows version, once that web/VPN server is up, configuration from there is largely the same. You can use port forwarding to forward the port with netsh as below.
Select Internal type of virtual switch and click Create Virtual Switch. Its a pain in Windows as well but this is definitely somewhat different than what my series of steps were thank you.寝室 テレビ台 壁掛け, 中央テレビ 鴨島 番組表, 加湿器 赤ちゃん 象印, シリコン 水筒 100均, AQUOS R2 音が出ない, ソフトバンク みまもりケータイ4 メールアドレス変更, エクセル ヘッダー 非表示, MP3 アイコン変更 Windows10, ワンダーレックス 家具 買取, W639 足回り 異音, 水道 水漏れ 修理 口コミ, 育児休業給付金 男性 計算, Mac マウスカーソル Windows, 豚肉 豆腐 油揚げ, ホンダ カーズ 大阪 箕面東, アニメ シンデレラ 日本語, フェザー クッション 洗濯, 土日休み じゃ ない 子育て, 表千家 茶碗 回し方, Au 持ち込み機種変更 Iphone7, オリンパス Om-d E-m10 Mark3 防水,


Magnetic Particle Inspection
Magnetic Particle Inspection uses a magnetic field to locate surface and near-surface discontinuities in ferromagnetic materials. When very fine ferromagnetic particles are applied to the surface of the part and the magnetic field encounters a discontinuity the particles will be drawn into the discontinuity, producing a visible indication on the surface of the part.
Florescent Penetrant Inspection
Florescent Penetrant Inspection uses a very low viscosity fluorescent liquid which is applied to the surface of a part, it penetrates into defects on the surface. Once the excess penetrant is removed, the penetrant trapped in those defects will flow back out, creating an indication which can be seen under black light. Penetrant testing can be performed on magnetic and non-magnetic materials, but does not work well on porous materials.


Let’s take a closer look at the Gonengo COB Mini LED Keychain Flashlights! These little guys may be small, but they pack a powerful punch with their 1000 lumens of light. They’re incredibly lightweight, weighing only 1.6 ounces, making them the perfect portable work light for all your illumination needs. Whether you’re out camping or in the midst of an emergency situation, these flashlights have got you covered.
The benefits of owning these keychain flashlights are numerous. With their rechargeable capabilities, you can say goodbye to constantly buying and replacing batteries. Plus, they charge up quickly in just 30 minutes! The 4 lighting modes allow you to adjust the brightness to your liking, from normal to weak, blinking, and even high brightness. And let’s not forget about their waterproof and dustproof functions, which make them ideal for outdoor activities and emergencies.
Now, if you don’t own these flashlights, you might be missing out on some serious convenience. Imagine being stranded in the dark without a reliable light source. Not only would it be frustrating, but it could also be potentially dangerous. With the Gonengo COB Mini LED Keychain Flashlights, you ensure that you always have a reliable light source at your fingertips. Don’t let yourself be caught unprepared!
In this review, we’ll be diving into all the features and benefits of these flashlights, as well as any potential drawbacks you should be aware of. So, get ready to shed some light on the Gonengo COB Mini LED Keychain Flashlights and discover how they can enhance your everyday life.
How the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens Works
The Gonengo COB Mini LED Keychain Flashlights 1000 Lumens is a small and lightweight work light that packs a powerful punch. With a weight of only 1.6 oz (45 g), it may be easily carried on a keychain or in a pocket. Despite its small size, this work light emits up to 1,000 lumens of light, providing a bright surface and a wide illumination area. Its portable COB light source technology ensures excellent brightness and coverage.
Rechargeable Long Time Using
The LED mini flashlight is equipped with a Type-C USB cable for convenient and quick charging. In just around 30 minutes, it can be fully charged and ready to use again. The charging port features an indicator light that allows you to easily monitor the battery status. The red light indicates that the flashlight is currently being charged, while the green light indicates that the charging process is complete.
4 Lighting Modes
The COB keychain light offers four different lighting modes to suit various situations. With a single press, you can activate the normal brightness mode. Pressing the button twice will switch to a weaker brightness setting, which can be useful in situations where you need less light. Pressing the button three times activates the blinking mode, which can be helpful as a signal or for attracting attention. Long-pressing the button will activate the high brightness mode for maximum illumination.
Waterproof and Dustproof for a Wide Range of Uses
This LED work light is designed to withstand various environmental conditions. It is waterproof and dustproof, making it ideal for use in outdoor activities such as camping, fishing, hiking, and even emergency situations like earthquakes or power outages. Additionally, the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens has a strong magnet that allows it to be securely attached to metal surfaces, providing hands-free lighting.
Gonengo COB Mini LED Keychain Flashlights 1000 Lumens Uses
The Gonengo COB Mini LED Keychain Flashlights 1000 Lumens has a wide range of uses due to its compact design and high brightness. Here are a few examples:
Product Use: Work Lighting
Whether you’re working in a dimly lit area or need extra visibility for a specific task, this work light is an excellent choice. Its compact size and bright illumination make it perfect for illuminating small workspaces or specific areas of focus.
Product Use: Emergency Lighting
In emergency situations, having a reliable source of light is crucial. The Gonengo COB Mini LED Keychain Flashlights 1000 Lumens can serve as a dependable emergency light source, thanks to its powerful illumination and long-lasting battery life.
Product Use: Outdoor Activities
This work light is a great companion for outdoor enthusiasts. Whether you’re camping, fishing, hiking, or running at night, the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens provides ample illumination to ensure your safety and enhance your experience.
To give you a clear understanding of what the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens offers, here are its specifications:
|1.6 oz (45 g)
|Up to 1,000 lumens
|Normal brightness, weak brightness, blinking mode, high brightness
|Approximately 30 minutes
|Waterproof and Dustproof
|Built-in bottle opener, carabiner, strong magnet, hook
Who Is the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens For
This product is suitable for a wide range of individuals due to its versatility and compact design. Here are a few examples of people who can benefit from using the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens:
- Outdoor enthusiasts: Whether you’re hiking, fishing, or camping, this work light will provide the illumination you need in a compact and convenient package.
- DIY enthusiasts: If you enjoy working on projects that require precise lighting, this work light can be a game-changer. Its small size allows you to illuminate specific areas without casting a large shadow.
- Emergency preparedness: It’s always a good idea to have a reliable source of light during emergencies. The Gonengo COB Mini LED Keychain Flashlights 1000 Lumens can be an essential tool in such situations.
Pros and Cons
- Compact and lightweight design
- High brightness output of up to 1,000 lumens
- Rechargeable with quick charging time
- Four different lighting modes for versatile use
- Waterproof and dustproof for outdoor activities and emergencies
- Additional features like a bottle opener, carabiner, strong magnet, and hook
- None found
How long does the battery last on a full charge? The battery can last several hours on a full charge, depending on the specific lighting mode used.
Can the keychain flashlight be used as a primary light source? While it can provide ample illumination for many tasks, it is primarily designed as a portable and versatile secondary light source.
Is the flashlight durable? Yes, the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens is built to be durable and withstand various environmental conditions.
What Customers Say About the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens
Customers have been highly impressed with the performance and versatility of the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens. They appreciate its compact size, bright output, and ease of use. Many customers have found it to be a reliable and handy tool for various activities, including camping, hiking, and emergency situations.
The Gonengo COB Mini LED Keychain Flashlights 1000 Lumens offers excellent value for its price. With its compact design, high brightness output, rechargeable battery, and versatile functionality, it is a reliable and handy tool for work lighting, emergency situations, and outdoor activities. The additional features, including the built-in bottle opener, carabiner, strong magnet, and hook, further enhance its value and convenience.
Tips and Tricks For Best Results
- Before first use, ensure that you fully charge the flashlight to maximize battery life.
- Experiment with the different lighting modes to find the one that best suits your needs.
- Take advantage of the strong magnet and hook to attach the flashlight to different surfaces and positions.
In conclusion, the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens is a compact yet powerful work light that offers impressive brightness and versatility. Its portable design, quick rechargeability, and wide range of uses, including work lighting, emergency situations, and outdoor activities, make it an excellent addition to your toolkit. Whether you’re a DIY enthusiast, an outdoor enthusiast, or someone who values preparedness, this flashlight will prove to be a reliable and functional companion. With its additional features and competitive price point, the Gonengo COB Mini LED Keychain Flashlights 1000 Lumens is an overall outstanding product.


NanoGUNE expands its capabilities for nanoscale chemical analysis
The External Services Department at CIC NanoGUNE acquired a new state-of-the-art NeaSNOM microscope, complementing and improving the capabilities of the currently available three NeaSNOM microscopes.
The new microscope is faster, more robust and versatile, providing unprecedented insights in real-world industry problems:
- Improved IR absorption imaging from 5.5 mm to 11 mm.
- Improved nano-FTIR spectroscopy from 5 mm to 14 mm.
- Nano-FTIR spectroscopy from 2 mm to 4 mm. NEW!
- Mechanical property analysis.
- Kelvin Probe Force Microscopy, KPFM. Work function. NEW!
- Tip Force Microscopy. Young modulus and Edhesion. NEW!
- Nano thermal analysis, nano-TA. Melting point, thermal conductivity. NEW!
- Photothermal Expansion (PTE) microscopy and spectroscopy. NEW!
For more details on the microscope and its potential for your specific application, please contact us: Contact Form.


The Strata 400 STEM DualBeam system is a fully digital Field Emission Scanning Electron Microscope (FE-SEM) equipped with Focused Ion Beam (FIB) technology and Flipstage/STEM assembly. It allows for complete in-situ sample preparation and high-resolution analysis.
Special features of IMS DualBeam system include:
Ultra-high resolution electron optics with SE and BSE in-lens detection and STEM imaging
High-resolution Ion Optics (SidewinderTM column)
Omniprobe AutoProbe 200.2 sample extraction system
Flipstage with pivoting rowbar for TEM grids
Retractable, annular STEM detector
EDAX EDS microanalysis system
Auto ‘Slice and View’ software with ‘3D’ reconstruction
Transmission Electron Microscopes
JEOL JEM-2010 FasTEM
The JEOL 2010 FasTEM is an advanced TEM with an ultra-high resolution pole-piece, giving a lattice resolution of 0.14nm. It is equipped with a Gatan Imaging Filter (GIF 2000) that enables electron energy loss spectroscopy (EELS) and energy filtered imaging to be performed. Energy dispersive X-ray spectroscopy (EDS) can be undertaken using an EDAX Phoenix system, which has a super-ultrathin polymer window, giving excellent light element detection (Z > 4).Four high-resolution CCD cameras allow images to be acquired digitally, and the FasTEM interface allows the TEM to be controlled remotely from almost any location.The acquisition of this instrument was made possible in part by the award of a Major Research Instrumentation Award from the National Science Foundation (Award # DMR-0079002, Program Manager Dr. G.X. Tessema).
Thermo Fisher Scientific Tecnai T12 S/TEM
The 2006 Tecnai T12 is a fully capable TEM/STEM with EDAX EDS system. Computer controlled, with many automated functions, equipped with digital and plate film cameras, supplemented with a wide assortment of specimen holders including tilt, rotate, and in-situ heating and cooling, the IMS T12 is a complete instrument to serve the research needs of the wider community.
Scanning Electron Microscopes
The JEOL FESMs are a cold cathode field emission scanning electron microscopes. They have a resolution of 1.5nm at 15kV and 5.0nm at 1kV. They are equipped with a Thermo Noran System Six EDS capable of detecting elements Be and above, with drift correction, Spectral Imaging, and COMPASS Component Analysis.
Transmitted Light Including Polarized and Phase Contrast Techniques
The laboratory is equipped with a Nikon Labophot as well as an Olympus Vanox Universal Research microscope. Each of these instruments provides useful magnification of 40X to 1000X. Supplemental compensators are available for polarized light measurements; phase contrast, dispersion staining, refractive index determination, and micrometry are also possible.
Reflected Light Including Brightfield/Darkfield, DIC, Interference
Housed in the laboratory are two Nikon Metaphot metallurgical microscopes, one of which is equipped for brightfield and Differential Interference Contrast (DIC) optics; the other features brightfield or darkfield illumination. Magnification ranges from 25X to 1000X. A Leitz reflected light interference microscope is available for measurement of surface roughness and/or thin film thickness.In addition to the microscopes listed above, the laboratory has several Leitz transmitted light microscopes, each having polarizing capabilities, which can be dedicated for long-term research projects.
Microscopy Sample Preparation
The lab is fully equipped with the following TEM and SEM sample preparation equipment:


Shenzhen EUD Digital Electronics Limited
|Location:||Guangdong, China (Mainland)|
|Year start exporting:||2011|
|Total Employees:||11 - 50 People|
|Total Annual Revenue:||US$1 Million - US$2.5 Million|
|Average Lead Time:||5 Day(s)|
Shenzhen EUD Digital Electronics Limited is a manufacturer of power banks,bluetooth and storage electronics products with well-equi...
Shenzhen EUD Digital Electronics Limited is a manufacturer of power banks,bluetooth and storage electronics products with well-equipped testing facilities and strong technical force.
Our team is effective, vigorous and motivated. Our products are widely recognized and trusted by users. We have a wide range, good quality, reasonable prices and stylish designs. Our products are extensively used in mobile phone and other industries.
We welcome new and old customers to contact us for future business relationships and mutual success! OEM or ODM both are welcome!
We are always in pursuit of more perfect design and more stable quality.
Eastern Europe : 20.00%
Central America : 20.00%
Factory Size : Below 1,000 square meters
No. of Production Lines : 3
No. of R&D Staff : Less than 5 People
Email to this supplier


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Dmitry Konopatski has served as the Principal Software Engineer for ServeMinnesota since 2016. He was initially hired as a part-time IT contractor to build from scratch a cost-effective Data Warehouse system. Later, he switched to a full-time position and is now responsible for the systems design, development and maintenance of our state-of-art data management systems running behind Minnesota Reading Corps and Minnesota Math Corps programs. He also oversees the quality and efficiency of the technical solutions delivered by the remote development team.
Dmitry has more than 20 years of experience in computer programming and software development, with expertise in database design and performance tuning, data mining and web development. Before joining ServeMinnesota, he worked as a software developer for the Office of Information Technology at the University of Minnesota, where he was involved in multiple enterprise-level projects, including the Electronic Grants Management System (EGMS) and large-scale Enterprise Systems Upgrade Program (ESUP).


The Yealink CP930W is a cordless conference phone, wirelessly connected to the W60B base station, well suited for a smaller-sized conference room of up to 6 people.
1. Speaker. Provides audio output.
2. Mute key. Mute your microphone audio from being heard. You can toggle this key to turn the microphone on and off.
3. Microphone. Three microphones providing 6 meters, 360-degree sound pickup.
4. Display Screen. Access multiple menus and features using the soft keys, such as your call log, directory, and system settings.
5. On-hook/Power Key.
6. Arrow Keys. Scroll up and down through the displayed information.
7. Volume control keys. Turn up or down the volume of the ringer and speaker.
8. OK key. Confirms answers or answers incoming calls.
9. Bluetooth key. Access Bluetooth settings.
10. Off-hook key/Answer key.
11. Soft Keys. These keys allow you to choose various context-specific options as displayed on the screen directly above them.
12. Paging key.
13. Registration LED. Indicates handset registration status or the base station is in the paging mode.
14. Network Status LED. Indicates the network status.
15. Power LED indicator. Indicates the power status of the base station.
After the base station is successfully configured and the handset is registered to the base station, all LEDs on the base station glow green in sequence.
Our award-winning customer support team is here for you.Contact Support


QUIET & POWERFUL Mixed flow design combined with a EC motor that powers high-quality impellers makes this fan truly energy efficient. With only 62 watts of power but gives a strong airflow up to 402 CFM, very low noise level, only produces 32DB, this 6 inch exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance, add airflow by 40%.
BUILT TO LAST Made of heavy-duty plastic housing for superior durability, IP44 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments. The exhaust fan is ETL/FCC listed.
INTELLIGENT CONTROLLER The smart controller has multiple modes for operation, 10 fan speeds, easy to program and controls the humidity and temperature automatically with 4 easy settings and alarms which is a breeze to keep your space at the optimal temperature and humidity.
DAISY CHAIN PROGRAMMING 2 of 6 inch fans can daisy chain together to share the same controller, long corded design greatly facilitates the fan connection and installation
WIDE APPLICATIONS The 101mm Inline duct fan is a great option for grow tents, closet, storage rooms, kitchens, bathrooms, basements and more


Scenario: Harness The Power of AI
AI improves efficiency and effectiveness. We can now train computers to perform better than humans in many tasks. Financial gains from AI can be direct and quantifiable. For example, Emma, a chatbot at OCBC bank in Singapore, turns 10% of chats turn into loans. It uses Natural Language Processing and personality analysis, and the result is that customers feel “this interface understands me”. In its first eight months of operation it won $70m of home loan business.
Knowledge-based careers which were previously thought safe from automation are also being disrupted by AI Take legal practice, for instance. UK Law AI company, CaseCrunch, pitted over lawyers from many of London’s top firms against an artificial intelligence program called Case Cruncher Alpha. Both the humans and the AI were given the basic facts of hundreds of claim-based cases and were asked to predict whether a claim would be granted or not. Case Cruncher got an accuracy rate of 86.6%, compared with 66.3% for the lawyers .
Financial Service is one industry that is pushing ahead quickly with the adoption of AI Applications in this industry include:
- Security – monitor & intervene, including Dark Web crawling
- ‘Know Your Customer’ (KYC), identifying and verifying the identity of clients
- Face recognition – pay with a smile, or, as used in China, recognise if an applicant is not telling the truth
- Personality analysis – ‘we know by your traits’
- Sentiment analysis – we know how you feel’
- Predicting loyalty
- Sector/geography/company analysis
- Algorithmic trading using ‘dueling’ algorithms
Given that there are so many potential applications of AI, it helps to analyse AI solutions in relation to the benefits being sought. Organisations will require different categories of solutions depending on whether they need AI for efficiency, effectiveness, innovation or expert systems. The kinds of data needed, and the deployment options will also be different for each scenario.


Microsoft Surface Pro and Surface RT get new firmware updates.
For Surface Pro the release note says:-
UEFI and System Aggregator (SAM) firmware update that enhances system stability, reliability, reduces power consumption, and improves touch latency with the touchpad on the Surface Type Cover and Surface Touch Cover.
For Surface RT the release note says:
1] UEFI firmware update that optimizes the audio experience at low volumes and removes a perceived pulsing in audio volume for some conten
2] Update to system drivers that enhance stability and reliability.
Updates can be downloaded either automatically via Windows Update or can be done manually.


iLight Technologies, Inc. is a pioneer and leader in innovative LED illumination solutions that transform, excite, and energize corporate identities and architectural environments worldwide. LEDs are the fastest growing segment of the light industry today, and in five to ten years promise to bring the lighting world various new options to replace older and less energy-efficient technologies.
iLight award-winning products blend the benefits of LEDs with patented application systems that create lighting products that have high brightness with a smooth even glow. iLight’s linear lighting systems also provide exceptional durability and design flexibility along with inherent energy-efficiency and minimal maintenance requirements.
iLight’s LED lighting systems have been welcomed in the market and are used to highlight architectural detail in corporate headquarters, enhance the vibrant color of casinos, add to the drama of theatrical venues, and provide elegant accent lighting for our national accounts. The company currently has over 100 patents that have been awarded and are pending in both the U.S. as well as international markets for the Plexineon technology and directed to other LED lighting systems beyond linear lighting.
iLight Technologies was founded in 2000. iLight is headquartered in Chicago, Illinois and manufacturing facilities in Cookeville, Tennessee.


ESS is trying to solve a critical problem with renewable energy: How to store energy from wind and solar installations when the wind isn’t blowing and the sun isn’t shining.
The company’s proposed solution is a long-duration energy storage batteries made of iron, salt and water, which are much cheaper and more readily available than the elements used in batteries today, like lithium and cobalt. Its early momentum attracted $57 million in investments from powerful backers like Bill Gates and Softbank, CEO Eric Dresselhuys told CNBC.
“There have been very few solutions for this long duration up until now, and it’s largely driven from the fact that we didn’t rely on energy storage as a major solution for hardening the system,” said Dresselhuys, who became the CEO of ESS this year after decades of energy and technology executive experience.
The company launched in the garage of co-founders Craig Evans and Julia Song in Portland, Ore., in 2011 (they’re a married couple, in addition to being business partners), then moved to the Portland State Business Accelerator before expanding to its current 200,000-square-foot headquarters.
The company is backed by Bill Gates’ clean energy investment firm Breakthrough Energy Ventures, SB Energy (a wholly owned subsidiary of SoftBank) and multinational chemical company BASF, among other investors. The SPAC comes through a reverse merger with ACON S2 Acquisition Corp., run out of private equity firm Acon Investments.
ESS has not recorded any revenue yet, according to financial filings dated Sept. 8, but Dresselhuys says it has shipped product to customers, including TerraSol Energies in Pennsylvania and Siemens-Gamesa in Denmark; investor documents claim several other unnamed utilities as customers also. Also, ESS has orders in the pipeline from SB Energy and Enel Green Power España.
The company lost $245.3 million in the first six months of 2021, but only $18.4 million were operating losses (the remainder was due to losses on reevaluations of warrant and derivative liabilities). Operating losses were $17.4 million for 2021, and it expects to record its first profit in 2023.
Iron, salt and water: Safe, readily available materials
The big breakthrough for ESS is a long-duration battery built from readily available materials, explained Carmichael Roberts, a co-chair of the investment committee at Breakthrough Energy Ventures In a battery, the electrolyte is the liquid medium that connects the two ends of a battery, the anode and the cathode.
“The flow battery is cheaper, safer and has better operational life than conventional lithium-ion storage,” Roberts said.
Making a battery out of iron, salt and water means “there’s no toxicity, the technology we build doesn’t start fires or doesn’t blow up in fire,” said Dresselhuys.
Also, ESS batteries do not have lithium or cobalt, two common elements in batteries that are being impacted by supply chain crunches.
“Both are in potentially short supply globally and none are produced in the U.S.,” said Jesse Jenkins, an assistant professor at Princeton University who specializes in the energy grid.
“Lithium is less of an issue in the long run, as long as we recycle lithium ion batteries, but there may be some short-run price increases as production ramps up to match battery demand for EVs,” Jenkins said.
“Cobalt is a bit trickier and has come under fire for some of the supply chain relying on quote unquote ‘artisanal mines’ in Africa, which employ forced labor, and child labor in some cases, with people digging out cobalt by hand and very, very harsh conditions,” Jenkins said.
“It’s one thing to make something work, and that can be very difficult. But it has to work cost effectively to be viable as a system because of the scale we’re talking about,” he said.
How the battery works: ‘The elegance is the simplicity’
Visualize a sandwich, said ESS’s business development lead, Hugh McDermott. The ESS battery technology is a stack of carbon plates with salt water with iron flowing through each layer.
Iron comes out of the salt water solution and sticks to one side of the plates. When the polarity of the plates is changed, the iron dissolves back into the water solution.
From a battery management control system, the flow of the ions can be switched, thereby also switching the flow of electricity onto and off the grid.
The idea of a iron flow battery has been around since the 1970s, Dresselhuys said. But there were technical issues that scientists hadn’t solved.
For example, early iterations of the iron flow battery technology would work for a while, but the electrolyte fluid would become imbalanced, build up on the battery, and the battery would become ineffective over time. To fix this, ESS developed a proton pump, which Dresselhuys says “allows the system to keep itself in balance throughout all of those charges and discharges so that the electrolyte is entirely clean.”
But it took a lot of research and development to get a simple solution to work. ESS has been working on research and development for a decade. The proton pump was a really key breakthrough for the company, but one of many.
“There’s a very large intellectual property moat around the core technology and that will make it very difficult for other competitors to build a battery that is similar to ESS’ battery,” Hossfeld told CNBC.
Another long duration battery being developed by Form Energy also uses iron and also is backed by Breakthrough Energy Ventures. Form, however, is developing iron-air batteries, which uses different technology and aims to provide energy storage for multiple days.
ESS batteries can store energy for 4 to 12 hours, whereas the lithium batteries in cars are typically capped between two and four hours, Dresselhuys said.
To go above four hours of energy storage with lithium-ion batteries requires increasing the number of lithium-ion cells, Hossfeld told CNBC. ESS, on the other hand, can just add more water, iron and salt to a bigger tank of its stack-sandwiches.
“The way to think about ESS cost-wise is they are cost parity with lithium ion at four hours, and about half the cost above that, which we think creates a big advantage for them,” Hossfeld told CNBC.
Another key to the ESS iron-flow technology is its resilience.
“Capacity stays the same between year one and year 20,” Hossfeld said. Anyone who has a cellphone knows that is not the case for lithium-ion batteries. “You open it up, it comes out of the case, right now it will give you 10 hours. We all know it doesn’t give you 10 hours in a year, right?”
Energy centers are co-located with a wind or solar farm, allowing the batteries to charge up during the day when the sun is shining and then discharge in the late afternoon when there is typically a bump in energy demand.
Similarly with wind. “You can store four, eight, 10 hours of wind plants in the middle of the night and then discharge it during the day as needed,” Hossfeld told CNBC. “We look at ESS as a really good complement to that daily cycling between wind and solar.”
The Energy Warehouse, the only ESS product that exists so far, is the size of a shipping container, 40 feet long and 8 feet wide.
“That container holds 500 kilowatt hours of energy. That’s roughly the energy that you would need to power 20 to 30 homes, depending on where you are in the country,” McDermott told CNBC.
ESS is also building a product called Energy Centers intended for utilities and independent power producers — for instance, businesses that own large solar farms who then sell that power to the grid.
For these kinds of larger customers, ESS will use similar battery technology, but the battery modules will be contained together in a building. Customer trials are expected to begin in 2022.
The big challenge: Getting an iron flow battery to scale
While iron-based batteries are a well-known technology, the big challenge has been getting them to scale.
“Iron based chemistries for flow batteries have a long and storied history, rightfully so because in theory they have some of the lowest theoretical costs possible. On paper these systems scale quite well,” explained Dan Steingart, Associate Professor of Chemical Metallurgy at Columbia University
But the reality has been quite different.
“We have not seen widespread adoption of this class of batteries and its cousins because of last-mile engineering challenges that have in the past added unacceptable capital and operating costs when compared to other available technologies,” Steingart told CNBC.
Flow batteries depend on pumps and membranes that are highly technical. “Think a kidney, writ very large, working 10,000 times harder than it has to, all the time,” he said. “It has been very difficult to have these, in practice, operate in a reliable manner without significant ancillary systems (that make the system more expensive upfront) or maintenance calls (which increase running costs).”‘
That said, Steingart notes the “sufficient capital” ESS has raised to validate its solutions to these challenges.
Also, ESS in September secured a 10-year battery warranty backed by the insurance giant Munich Re, which “is a strong signal of a positive outcome,” Steingart told CNBC.
Cost is another conern.
“The iron flow battery technology looks very promising as it is safe, environmentally friendly, uses non-toxic materials that can be sourced in the US, and doesn’t degrade over time and over multiple cycles,” Jan Pepper, the CEO of Peninsula Clean Energy, told CNBC.
Peninsula Clean Energy, a community energy buyer and the official power provider for San Mateo County in Calif., has not worked with ESS directly, but it’s trying to deliver cost-competitive 100% renewable energy on a 24/7 basis by 2025. Pepper knows that energy storage will help meet those goals.
“The current challenge with iron flow batteries is the cost,” Pepper said. “If companies like ESS can bring the cost down for their technology, then they and others will be able to make a meaningful impact in decarbonization efforts and help organizations like Peninsula Clean Energy meet our ambitious goals.”
As Steingart told CNBC, “A goal I use is in my lab for long duration energy storage: The battery has to cost about the same price as dog food per pound and last forever with little intervention.”
That said, if ESS can do what its investors think it can, “the successful execution of this chemistry would be a significant milestone for grid scale energy storage,” Steingart told CNBC.


If you are one of those people who don’t want to spend a lot of time cleaning your house, you should consider using a robot vacuum. It is a handy device that will clean your house automatically, and the best part is, it works on many different surfaces.
What are robot vacuum cleaners?
Robotic vacuum cleaners are self-contained units that clean your floors without any human assistance. These devices have many advantages, including their ability to navigate in spaces that are too small for an upright vacuum.
Using a robot vacuum will help you get more done in less time. It will also free up your hands to do other things. You can use it on carpets, wood, and even concrete.
One of the best parts about using a robotic vacuum is that it can be set to clean your home at certain times. The device will automatically run through the house and return to a docking station when it’s ready.
Many robot vacuum cleaners can even connect to your smartphone. This means that you can program the device to run when you’re away from home or when you’re out of town. They come with mobile applications and can be used with voice control.
Depending on your budget, you can find a basic robot vacuum for around $300. Higher-end models can be found in the $500 to $1,000 range.
A robot vacuum cleaner is easy to use
Robot vacuum cleaners are a great way to keep your house looking its best. You can use it to do touch-up cleaning after you have used a traditional vacuum, and it can also be set up to clean your home on a schedule. However, like any other product, it does require a certain amount of care to ensure it will work well for you.
There are many different models to choose from. Each has its own advantages and disadvantages, so choosing the right model is not as simple as picking the latest model from your favorite brand. Ultimately, the goal is to find a cleaner that is easy to use, easy to maintain, and able to navigate through your home.
Many of the high-end robots are capable of mapping the floor to determine where to clean. In addition, some have smart image recognition systems that help them navigate around corners. Some even have automatic dustbin disposal features.
When choosing a robot vacuum, make sure it’s suitable for your needs. It should be able to avoid obstacles, including pet hair and small items such as toys.
A robot vacuum is efficient
A robot vacuum is a great way to make your house look clean. It saves you time and effort. If you’re looking to buy one, it’s important to find a model that has plenty of maneuverability. You should also consider the size of the unit and the ability to clean under low clearance furniture.
Robot vacuums use sensors and cameras to navigate around the home. This allows the unit to pick up a variety of dirt, dust and debris. For example, the Dyson DC18 upright vacuum is very adept at navigating carpeting.
Some robot vacuums feature a touch screen, and others use an LCD display. Almost all of them have a plastic bin, which is easy to empty and replace. The bin should be emptied every three or four cycles.
To keep a robot vacuum cleaner in tip-top shape, you should change the filter periodically. You should also check the floor for any dirt or debris. Debris can cause the robot to malfunction.
If you have pets, be sure to purchase a model with rubber brushes. These are the best for pet hair.
A robot vacuum can save time
Robotic vacuum cleaners are a great way to save time and energy. Aside from their main function of cleaning your home, they can also help with mobility and joint issues.
A robot vacuum has a variety of sensors that can detect floors and walls, enabling the device to clean them. The suction from the device then pulls the debris to the internal dust bin.
To keep your robot vacuum running smoothly, make sure you change the filter on the unit every three to four months. This is to keep allergens down. Also, a clean filter will help prevent dirt from being returned to the unit.
There are a variety of robotic vacuums on the market, and they vary in price. The cheaper ones can be about a hundred dollars less than a standard vacuum. But, they do come with a few disadvantages.
Some of these disadvantages include the fact that robot vacs are more likely to break down than traditional vacs. They are also harder to fix. In addition, some models are prone to getting stuck in corners.
A robot vacuum can sweep underneath furniture, which may be difficult to move
A robot vacuum is an excellent tool for cleaning the house. It’s efficient and can clean hard-to-reach areas of the house. Whether it’s the kitchen, the living room or the basement, it’s a great way to get your home cleaner without doing it yourself. But before you buy one, you should know how to maintain your vacuum.
The main components of your vacuum are the motor, brushes, sensors and wheels. Make sure all of these are cleaned regularly to ensure optimal performance. You should also clean the sensors and camera, and make sure the dust bin is empty.
When it comes to the suction power of the vacuum, look for models that can pick up debris as small as the tiniest hair. This is important for people who suffer from allergies.
In addition, make sure the vacuum is equipped with a HEPA filter. These filters are washable and have a longer life span than standard filters. They are especially recommended for people with allergies.
Another factor to consider is the ease of use. Some models have a remote control. Others allow you to connect your phone to the vacuum.
A robot vacuum works on different surfaces
Robot vacuums are small, lightweight devices that are capable of navigating and cleaning on a wide variety of surfaces. They are designed to be able to reach tight corners and areas that traditional vacuums are unable to access. However, despite their design, they need regular maintenance. These tasks include emptying the dust bin, wiping down the sensor panels, and removing debris from the wheels.
One benefit of a robot vacuum is that it can be set to work automatically while you’re out of the house. This will allow you to concentrate on other chores. In addition to the ability to run in the background, some robot vacuums also include self-emptying bins.
A high-end model may include mapping capabilities, which will allow it to learn your home’s layout. This will allow it to avoid certain areas and clean them more thoroughly.
If you have a large home, you may want to choose a robotic vacuum that has a longer battery life. Most models are equipped with a 90-minute battery. When the device recharges, it will resume cleaning where it left off.
A robot vacuum can be economical
A robot vacuum can be a great replacement for an upright vacuum. However, they can also be quite pricey. To get a good deal, you’ll need to be prepared to shop around. You can find a wide variety of cheap robot vacuums, but it’s important to keep in mind that a cheaper option might not be as good as a more expensive model.
Some of the cheapest models don’t feature features that you would expect, like a self-emptying dustbin or fall detection. They’re also less capable of cleaning under tables and couches. Fortunately, refurbished units can last longer than new ones.
The average price range for a robotic vacuum is between $100 and $1000. Some high-end models go for several thousand dollars. If you’re looking for a cheaper model, it’s best to keep an eye out for a re-sale.
Many manufacturers offer a one-year limited warranty. In addition, they usually include parts and labor.
A robot vacuum can provide a lot of cleaning options, and it can also be programmed to schedule cleaning sessions. These types of devices are easy to program and can be controlled with a smartphone. However, they’ll need regular maintenance and occasional filter replacements.