Introduction: Hack 12 Volts Chinese Led Bulb to Usb Power Led Bulb With Strong Brightness
This hobby will make you use wide range power from 3.3 volts to 12 volts(maybe this hack will not worth to use 12 volts power supply, but you can do it if you wish:)
Step 1: All You Need for This Hobby.
1 12 volts led light bulb
2 Ic 7833 voltage regulator
3 soldering gun and lead
4 see the video method
enjoy hobby world :)