How to make emergency light Automatic ON/OFF

What you need to build this  emergency light Automatic  ON/OFF

-  2n2222 transistor

-  resistors 2.2K 

- 1n4007 diode

- Wires. 

-3.7v li-ion battery

- 9 LED

-  download circuit | http://j.gs/9hTV

Follow Me

https://www.facebook.com/Easyonee

https://twitter.com/Eaasyone

https://www.instagram.com/easyyone