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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user49986
Is the resistor on-board a pull-up to 1V? The circuit is a little misleading -- it looks like you are capacitively coupling the signal to the board, and then... how do you set the bias to 1V?