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Bicycle-speedometer-Arduino-on-a-board-4-bit-LCD.pdf(file size: 484 KB, MIME type: application/pdf)

Printable diagram for a speedometer using a hall effect switch, an Atmel 328P AVR micro-controller, and a 4-bit LCD.

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current08:03, 15 May 2014 (484 KB)Shawn (talk | contribs)Unipolar Hall effect instead of omnipolar, and removed superfluous pullup on 4.
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