Just take apart a remote control car, and the motor controlled by the receiving board inside is only 5V, which is still a small current. This board can control a large motor and a large current. When using it, you only need to connect the motor to the output terminal and the input terminal to the output terminal of the receiver. Then connect the external power supply to control the motor. After all, it is a relay, so it cannot be controlled by pwm, but low-frequency pwm control is theoretically possible. If you don’t know how to play this thing, please contact me at 1018939884
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