Felix Bänteli and his friends from the fabulous kulturbüro in Luzern  made a very cool, solar powered, wristwatch-like-synthie. I redesigned their version. It has now a nice product-like finish without loosing it’s geek-factor.

It has a tiny solar panel,  two buttons for beat and melody, a piezo (simple loudspeeker) and a minijack (headphone) out… and it is controlled by a AVR ATtiny13.

Make your own! The hole documentation on

And of course, its made completely in the FabLab Luzern

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