I have an Parallax RFID reader and a HI Tec HS-422 servo motor connected to my Arduino Uno R2. The Servo is being powered externally, and I have the 5v for the RFID connected to the Arduino. When ever I read a tag on the RFID reader, the servo starts to become jittery if I'm use the write(); functi…

RFID Servo Jitter

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