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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
Do you have any idea what fixed it? Which firmware did you try and upload before that broke it?
The icon is grey because you're not connected to Bluetooth. It doesn't mean Bluetooth is disabled - the second you connect to the Bangle it'll light up.
Hi, Please try the steps in http://www.espruino.com/Bangle.js#resetting-without-loading-any-code again, and see if you can connect with the Web IDE after doing that?
There are Bluetooth settings for the Bangle in (Launcher -> Settings ->
Make Connectable/BLE) but if you follow the steps in that link the Bangle should always be connectable.I'd be pretty sure there's no actual problem with the device as you've been able to connect by Bluetooth to do the firmware update, so it may just be a configuration issue on your computer.
If you can't connect with the IDE, click 'Status' in the IDE's connection window and see if it says anything useful. There's a whole lot of info about getting Bluetooth working at: http://www.espruino.com/Troubleshooting+BLE