Control panel with turn knob to control model train speed

Control panel with turn knob to control model train speed

thingiverse

Control panel with turn knob to control model train speed. Inside a potentiometer with 4mm axis can be mounted. With this and an arduino, you can easy control a L298N. If you feel like sending a tip please use this link: paypal.me/AndreasFohl and, to those who do, thanks in advance!

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