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:)
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
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 :)