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Motor Lego NXT nxt output input wiring tacho signal
Motor Lego NXT nxt output input wiring tacho signal
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![LEGO Mindstorms motor control board for Raspberry Pi [159010|150597] | Elektor Magazine](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_200/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Flego-rpi.jpg "LEGO Mindstorms motor control board for Raspberry Pi [159010|150597] | Elektor Magazine")