Design by SINONING ROBOTYou can buy from tracking robot carTheoryLM393 chip compare the two photoresistor, when there is one side photoresistor LED on WHITE the side of the motor will stopped immediately, the other side of the motor spin up, so that the trolley correction direction, back to the righ...
By: SINONING
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from Instructables: exploring - technology - robots http://ift.tt/1Dk445e
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