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A device that produces air movement by way of blades or surfaces attached to a rotating motor.

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In my recent project, I'm working on 5V DC USB fan's speed controlling. My fan motor looks like below: Here fan controlling is done by PWM which is coming from Arduino NANO controller. For … controlling the speed of FAN, I developed one circuit which is below: Now, when I give full PWM means full value 255 and at that time when I measure the voltage across motor then it just around 3.50 V …
asked Jun 9 '18 by Hasan