I might be missing something fundamental, so bear with me…
I have a motor that takes 3V. I wanted to control it (simple on/off) from the Spark Core.
However, when connecting it to any digital or analog pin it didn’t quite have enough to spin (I can get it going with my fingers). Hooking directly up to 3.3V/GND works fine though.
Used a multimeter and the pins are only outputting around 2.6V when set to HIGH. Nothing else is connected.
From what I understood, when set to HIGH I expected the pins to output much closer to the 3.3V. The core must have enough power as the 3.3V pin is outputting enough.
I can fix my motor woes with a transistor, but I was wondering if this 2.6V maximum from the pins is to be expected?