The high-torque electric screwdriver, which costs less than RMB 20, is compact and comes with lighting and a low-voltage battery indicator light. It is not difficult to make pure hardware, with large torque and few components. For the charging part, you can buy a ready-made charging module and remove the components. Also, the N30 motor does not have gears and the shaft is relatively long, so it needs to be cut and used with the gear on the N20 reduction motor (N20 reduction motor needs to be purchased with a long shaft).
Before welding the motor and gearbox, grind them first and then turn the soldering iron to the highest temperature for welding.
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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
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