• wonder why I get only a ">erial1" on PuckJS CB34 if I try connecting via BlueFruit iOS app UART)

    Do you have things wired up to your Puck.js? Generally it'd only be saying that (I guess it's trying to transmit Serial1) if the UART was enabled - see http://www.espruino.com/Puck.js#serial-console

    If you've got stuff wired up to it (especially if that stuff is producing a changing signal on D29) then that could explain pretty much all your issues.

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