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Then came the tinkering and programming part. | Then came the tinkering and programming part. | ||
Attached to the board were: a stepper (to change polarity), a | Attached to the board were: a stepper (to change polarity), a potentiometer, and the microcontroller of course. The stepper would change the direction of the fan and the potentiometer would control the current that went into the motor, changing the frequency at which it moved. | ||
At first, I tried to make some kind of bagpipe, but the 9V motor wasn't strong enough to make it inflate/deflate properly. | At first, I tried to make some kind of bagpipe, but the 9V motor wasn't strong enough to make it inflate/deflate properly. | ||