Homemade non contact voltage tester using BC547, Simple AC detector

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 #aclinetester #wirelessaclinedetector #electronic #aclinedetector #homemade101 #simpleacdetector #noncontacttester #noncontactdetector