Homemade non contact voltage tester using BC547, AC detector || BC547 ഉപയോഗിച്ച്

#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
#aclinetest
#wirelessaclinedetector
#electronic
#homemade101