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555 motor directly connected to pwm speed regulator

Overview

I originally wanted to get a small electric drill to use. When I was looking for a PWM speed regulator, I saw a speed regulator suitable for 555 motors. It can be installed directly on the back of the motor, and the potentiometer is connected to the outside with a wire. I think this The design is very good, but it costs about 20 yuan in pdd, and no one at oshwhub is open source. I looked at the circuit board and found that it was made of similar materials to the hw687pwm speed regulator on TB, so I drew this one. You can go to tb's sign-in page to get a coupon, then buy a hw687 speed controller for a few cents, then use the coupon given by Lichuang to print the board, and then move the board to use.

Design Files

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Update:2025-08-04 16:47:04

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