Homemade non contact voltage tester using BC547, Simple AC detector

Описание: Homemade non contact voltage tester ( Wireless AC line detector using BC547, Simple AC detector ).

This is a wireless AC line detector circuit using a bc574. This is a very good simple AC detector for your testing.

Components used in this project:–

1. BC547 Transistors x3
2. 3V Active Buzzer
3. 330 Ohm resistor
4. LED


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