sunnan schematics web.jpg

Jan Van Nuenen made this solar-powered strobe-opto-theremin-synth-thing, the Sunnan Synth. Built using a $20 desk lamp and a couple dollars worth of electronics, it lets you get your beeping and bleeping in while away from the grid. Want to make your own? The schematic and making-of photos are included on the project website. [via ikea hacker]