Tuesday 30 April 2019

DC Motor Speed Controller

DC motor speed controllerHere is a simple DC motor speed controller circuit that can be configured to control the sweep rate of automobiles’ windscreen wiper. The circuit comprises a timer NE555 (IC1), medium-power driver transistor BD239 (T1), high-power switching transistor BD249 (T2) and a few other discrete components. It is configured for automobile usage with negative terminal of […]

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