This circuit takes advantage of the voltage drop across bridge rectifier diodes to produce a 5-position variable voltage supply to a DC fan or other small DC motor. It is not as efficient as a ...
Given that we live in the proverbial glass house, we can’t throw stones at [ellis.codes] for modifying a perfectly fine ...
It ‘s worth noting that back EMF plays a critical role as a natural current limiter during normal motor operation. When motor ...
The motor-speed-control circuit in the figure shows an SG3524 pulse-width-modulation (PWM) IC, U2, driving the high side of a motor through a p-channel FET, Q1. The motor terminal voltage is more ...
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