AC Current Detector | AC Voltage Detector

Circuit Diagram

Scroll down to the bottom of this page for the component list 👇👇

Component list

• Q1,Q2 : C828 NPN transistor
• R1 : 220 Ohms 1/4W
• 9V battery
• 9V battery clip
• 0.5-0.9mm thin copper wire for make coil

YouTube Video : Watch