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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
Wow, thanks! I'll look into getting that changed - issue filed here: https://github.com/espruino/Espruino/issues/2033
In Bluetooth LE each attribute has some security flags - whether it can be read/written by an insecure connection or not. The UART connection security flags are set so that you can't communicate without being in a secure connection (hence the need for a Pin) but it looks like you can change the name without that!