Arduino Based Rfid Attendance System with Audio Acknowle dgement

For industries and businesses, there is a growing demand for secure systems that are reliable and respond quickly. RFID (Radio Frequency Identification) is a fast and accurate method of identifying any physical object. Because of their non-line-of-sight technology, they can be read wirelessly, hold more information than barcodes, and are more urable. RFID tags can read in any tough environment, rendering other read echnologies such as barcode or optical card readers worthless. In this study, we presented a secure mechanism for delivering information on authorised and unauthorised individuals. When a card is brought close to the RFID module, the system scans the data on the card and compares it to the data in the programme memory, indicating whether the entry is authorised or not. The gate opens for authorised entry, marking the attendance corresponding to that code id and saving it in excel sheet format on SD card, then displaying all information on the LCD, such as name and employee code number that link with authorised entry and welcome message with audio greetings by taking their name that is already saved in SD card, and the gate remains closed for unmatched entry, by playing a separate audible message through the speakers, the security person is alerted