Discrete component motor direction controller
This circuit can control a small DC motor, like the one in a tape recorder. When both the points A & B are “HIGH” Q1 and Q2 are in saturation. Hence the bases of Q3 to Q6 are grounded. Hence Q3,Q5...
View ArticleSuper simple stepper motor controller
The circuit shown above can be used to control a unipolar stepper motor which has FOUR coils (I’ve swiped it off an old fax machine). The above circuit can be for a motor current of up to about 500mA...
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