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Happy or Sad gadget

Blogsnapper January 6, 2007 Happy or Sad gadget2007-01-06T13:01:56+01:00 MAKE

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Ralf writes –

“Here’s a microcontroller based gadget that lets you express emotions or other information. There is information on the hardware schematics as well as the C program for a ATMEL ATTiny2313 microcontroller linked from the photos.”– Link.

Related:

Tons and tons of ATMEL projects – Link.

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