Here’s some inspiration for your next project.
This is a very simple homemade, USB rechargeable, super-bright flashlight. It’s a cool project to try out as a beginner. And it’s useful:
http://arduinotronics.blogspot.no/2015/07/usb-rechargeable-mega-bright-3w.html
This guy created a really cool drum machine and automatic bass, by using an arduino to control a bunch of solenoids. Includes a cool video:
http://arduinotronics.blogspot.no/2015/07/usb-rechargeable-mega-bright-3w.html
I know many are interested in solar power. The following tutorial explains how to make your own solar panels. It lacks some details, but gives a good overview:
http://www.instructables.com/id/Octanis-1-How-to-Make-Solar-Panels/
The biggest issue, is probably to get the cells. I found a discussion on this here:
http://groups.google.com/forum/#!topic/solarcarteams/RsR1VViGUaQ
Keep on Soldering!
Oyvind
PS! Need a boost to get yourself building circuits? Check out my eBook “Getting Started With Electronics”:
http://www.build-electronic-circuits.com/products/ebook-2nd-edition/
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