Each of the three-pin PWM OUT connectors on the Digital Sidecar is accompanied by a 2-pin PWM OUT +V header. The PWM OUT pins are SIG, PWR, and (-). The PWR pin is where a servo gets its power from, but it doesn't actually provide any power until you put a jumper on the +V header pins.
Quote:
Originally Posted by Zach S.
Would that be why no servo programming I do ever works?
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Signs point to "yes".