To develop this small project, we will need a couple of resistors: an of 100 Ω (R1), and another of 3.9K Ω (R2); a piezo buzzer as light as possible and operate between 3-5V (in my case I have chosen one of 1.5 grams and 30mA of consumption); a NPN transistor BC548; and finally cable, Tin, and welder; to understand that application has the transistor in our circuit in a simple way, visualize the following channel video of Oliver Nabani.
Kuendeleza mradi huu ndogo, tutahitaji michache ya resistors: na ya 100 Ω (R1), na mwingine wa 3.9K Ω (R2); na piezo buzzer kama mwanga iwezekanavyo na kazi kati ya 3-5V (katika kesi yangu nimechagua moja ya 1.5 gramu na 30mA ya matumizi); na NPN kamili ya crackling BC548; na hatimaye kebo, Bati, na Welder; kuelewa kwamba programu ina ya kamili ya crackling katika mzunguko wetu katika njia rahisi, Taswira video ifuatayo ya channel ya Oliver Nabani.