Hello Arduino's Gurus ! I'm a real noob with Arduino, just having fun discovering it ! I've recently pick up from an old tape recorder this piece : [image] This is a 3 cm wide cylinder. 3 wires at its back: green "3" grey "2" with an arrow upwards black "1" So the big game of the day is : "…

What is this thing ? kind of servomotor ? 3 wires for a mystery ...

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