Wednesday, December 1, 2010

Servo Protocol Notes

  • pulse is 1ms (full left) to 2 ms (full right).  1.5ms pulse is centered.
  • pulse rate is typically 50 hz (ie, 50 pulses/sec)
  • overpulsing can heat up analog servos
  • QUESTION:  it seems digital servos don't have to be refreshed.  Do analog servos always have to be refreshed?  I tried sending a single pulse, and an HX-900 analog servo seemed to hold its position.  Perhaps I was doing something wrong?
Good Refs:

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