资源说明:AVR-based printer controller that prints with a sharpie
I hacked this together in a weekend for Olin College's end-of-semester Expo. It uses the carriage of an HP Photosmart printer, replacing the printhead with a servo holding a sharpie. An AVR microcontroller uses PID to position the pen and paper. [Video of the printer in operation](http://www.youtube.com/watch?v=8Tkd8McGoes) A boarding pass printed by this printer was rejected by the TSA.
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