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Servo motor does not work
Servo motor doesn't move, move slowly, or vibrate even when running the servo example code from Arduino IDE. How to fix it?
Answer
Do the following checklist:
- If you power servo motor from Arduino board, because some kinds of servo motor require more power than Arduino board can provide, use the external power supply for servo motors. See how to provide extra power for servo motor
- If you already used a seperate power supply, make sure that the GND of the extra power supply is connected to GND of Arduino board.
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