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Unread 26-04-2012, 21:02
SeanPerez SeanPerez is offline
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Wiring a Photoresister to an arduino interupt

how would i wire a photoresistor to an arduino interupt so i can use it as a simple encoder to get my rpm. is there a better way to measure rpm? im measuring the rpm of a shaft thats larger then the encoder can handle. also it will spin in the range of 750 - 1500 rpm maybe a little faster.