Driving a DC motor using TA7291S/SG & Arduino with pitch control at step 2 take 2.

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Uploaded by on Dec 27, 2009

(Take2: Pasting a tape to a wheel to easier for viewing rotation)

Trying to drive a DC motor using TA7291S/SG & Arduino with pitch control step2.

PWM pulse are converted to amplitude voltage using R-C low pass filter. On previous video, a motor sounds high frequency noise, but on this video, a motor does not sound such a noise.

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Science & Technology

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