With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
We have a be nice comment policy. Please be positive and constructive.
We noticed you attached photosto your comment.
Altoids USB Battery/Solar charger for iPhone and iPod
Super Size Your Battery Run Time: D Cell Battery Packs
Solar USB Charger 2.0
Hand Power Electricity Generation
The Simplest Rechargeable Battery Circuit (and save the planet too)!!!
Solar Science Station
Measure Li-ion cell capacity with an arduino
DIY triple AAA to 16340 adapter
A Simple LED Flashlight Hack (3xAAA to Lithium Battery)
Cheapest (~10-15USD/unit) wireless intercom or Simple USB powered Walkie Talkie hack
Posted:Aug 21, 2009
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.