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June 5, 2009 AT 11:40 pm

Boarduino motorcycle keypad

3590490623 45Cf188C70 O
eustace scrubb writes

This is a keypad to start my motorcycle (I kept losing the key). I used a Boarduino, three pushbuttons, three LEDs, and two five-volt relays wth driver transistors (redundant, for safety).


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