Sponsored
View Detailed Profile
Matchstick- infinite flashlight

Matchstick- infinite flashlight

Hand cranked

I overengineered the no-battery flashlight (with supercapacitors)

I overengineered the no-battery flashlight (with supercapacitors)

Discover Easy, Affordable, and Reliable PCB manufacturing with JLCPCB! Register to get $70 New customer coupons: ...

DIY Electromagnetic Flashlight

DIY Electromagnetic Flashlight

Here's how to make a forever