Summary

useless machine

Items for lecture on a one-person one-company project at Yongsan Railway High School.

I recommend attaching a rubber pad to the end of the stick that touches the switch.

If you use it for non-profit purposes, you can use it without the developer's permission.

Arduino code
https://github.com/Adihang/useless-machine

Parts list.

Arduino Uno R3 Board
https://www.devicemart.co.kr/goods/view?no=1245596

9V Battery Snap Terminal
https://www.devicemart.co.kr/goods/view?no=1323045

Toggle Switch.
https://www.devicemart.co.kr/goods/view?no=1794

Jumper cable.
https://www.devicemart.co.kr/goods/view?no=1328409

Servo motor.
https://www.devicemart.co.kr/goods/view?no=1313389