Challenge Yourself. Be Awesome.

See All Challenges

Challenge

Make a joule thief circuit

Your Challenge
Don't throw away your dead batteries! Use a Joule Thief circuit to bring them back to life. Build a Joule Thief and use it to power an LED using a "dead" battery.... Read more

6 Experience Points

Gallery
986 Posts
awesome
newest
Do It Yourself
0 Posts

Post your project!

Our Mission

Any kid, anywhere, can learn any skill.

Contact Us
DIY for School
Buy Skill Badges

Courses

PhotographyStrange ScienceDrawing BootcampInvent Your Own MachinesBuild Anything With LEGOMinecraftSecrets of DrawingSee More

Support

Terms of ServicePrivacy PolicyCommunity GuidelinesFAQ