Tell us about yourself!
Table Saw Class
3D Printing Class
Simple Fire Piston
How to recondition car battery? Battery reconditioning instruction video
Cool idea... I got to give this a try.
Solar Powered R/C Drone
Portable, Solar 12V Battery Pack
Goal Zero Nomad Solar Panel Frame
Solar Panel Setup around $100
DIY Piano using Scratch and evive (Arduino Mega based Prototyping Platform)
Solar Tracking System
Solar USB Charger for Smartphones (including an iPhone)
DIY Solar Power Pack
The "Solar Baby 2 " Solar Oven.
Itty bitty Joule Thief
Snappy Art (Joule) Thief
Fan Powered by any Heat Source
Camping Wind Turbine
$9 Solar, Wind and Hydro turbine (on your faucet) powered USB charger
Mega Power Bank