Easy USB emergency light using BC547 Transistor

usb emergency light using BC547 #shorts

[@dominiksalata4234]

Very good. Also you do not need a BC547 Transistor. I have tested it with the 2N222A Transistor and it still works.

[@Inventor_AW]

thanks .. yes you can use any NPN transistor

[@user-ii1xn6iz1w]

Excellent 👍

[@ahmedelmasry1243]

❤❤ very nice ❤❤

[@Serg136]

🎉