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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
Ok, just fixed! Looks like bthrm was doing some fancy stuff trying to cache characteristics to get it to connect faster, and with the newer firmwares that are capable of connecting to multiple devices, the
BluetoothRemoteGATTCharacteristicnow needs to reference the device it's for.