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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
When you do findDevices, can you see the light bulb? If so I'd be pretty sure it is a BLE device.
Ahh, that might explain
-> Serial1then - and it'd flatten your battery down quite quick. Basically if the default UART RX pin is connected to 3v at power-on, the Serial port is initialised - but it takes up a decent amount of power to keep it running.I'd see if you can sort that out, as it's possible it is responsible in some way...