Non Contact Voltage Detector made with only 4 Components
63 بار بازدید -
6 سال پیش
-
Simple and easy to make
Simple and easy to make non contact voltage detector and to make
this tool you need 2 NPN transistors I am using 2n3904,one 220ohms Resistor and one Led diode.
The circuit works on 9v battery.
6 سال پیش
در تاریخ 1397/10/05 منتشر شده
است.
63
بـار بازدید شده