I came back to my Photon after not using it for about a week and went to plug it into my computer. Once I plugged it in, the only LED that came on was D7, and it was a very dim blue. None of the LEDs are on, and I’ve held down the buttons trying to achieve a magenta color. I tested the voltage be…

Dim D7 LED and no other lights

mdma April 26, 2016, 6:19pm 18

I would try on the electron first, since that’s also a STM32F2 device.

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