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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.
@herman_arenas
Great, i see that the HRM is the U2 noted in the pic is there a pin map on the IO expander or which oin should i get for the signal to go directly to D29 HRM Analog pin.
Im i correct?
Many thanks for the help.
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