Рет қаралды 52,907
Friends in this circuit we will use a 555 timer ic and some simple components for making the non contact voltage tester circuit.
Components..
pcb board
555 ic
10k Resistor
4.7uF/50V Capacitor
LED
Buzzer
8pin IC Base
Download File here :-drive.google.c...
#noncontactvoltagetester
#currentdetector
Thanks for watchng
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