Building Associate in Nursing electronic circuit for achieving DC motor speed management could appear quite straightforward, and you ought to be ready to notice several such normal circuits managing speed regulation. However, much you’ll notice that less complicated circuits have one serious downside – they’re unable to regulate the motor speed swimmingly at lower levels, and because the desired speed is small, the torsion of the motor conjointly decreases proportionately.

because of this, at any unpredictable purpose, the motor could halt terribly suddenly. Also, throughout power ON, the motor could not initiate at lower speed settings and will need an Associate in Nursing initial boost by increasing the setting. Such things area unit pretty undesirable and don’t represent perfect speed management.

Circuit Schematics

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