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How to Control Speed of a Remote Controlled Wired Car? (Car contains Two DC motors !!!) Answered

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Try using two potentiometers/ variable resisters, get them from speakers.

How ? Will u plz explain it ?
Thanx for answer

You turn the potentiometer and resistance changes. http://en.wikipedia.org/wiki/Potentiometer

+1 Yep added bonus by altering the speed of one motor you can steer it.