Cordless screwdriver drill toy

2024-03-29 22:11:02

使用说明

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Summary

Cordless screwdriver toy, based on popular servo "Tower Pro SG90 micro servo 9g".
Two housing to choose from.

Hack SG90 servo for continuous rotation: https://www.instructables.com/Tower-Pro-SG-90-Micro-Servo-Hack/

Uses magnets as a coupling.

Magnets must be glued to "servo_rod" and "rod1" parts.

May require some sanding.

Included .skp file for modifications.

Requires:
1 x Li-ion / li-po battery 150-500mah or similar
1 x TP4065 charging board
1 x SG90 micro servo 9g
1 x Tact switch 12x12x16 or similar. Spring is recommended but not necessary.
1 x White led
1 x 150 ohm resistor
2 x Neodymium magnets (round ones, 10x1mm or similar)