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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.
@Gordon
You could try using software I2C, which will use the internal pullups I believe.
I'm not 100% sure you can enable the pullups on the hardware I2C in Espruino at the moment - although you can always use
poketo set them (orpeekto check them) if you want.