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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.
Robin
Hmm, OK. It looks like it may be something to do with my laptop or Chrome on my laptop. I tried Chrome on my Android phone, and that worked straight away.
Obviously, I don't really want to have to develop on my phone... So, what could be wrong on my laptop? Apparently, the Bluetooth adapter is v5.1 - I assume that's backwards compatible with Bluetooth v4. It's an Intel Wireless Bluetooth Wi-Fi 6 AX201 adapter.
As I say, my laptop connects to my phone, mouse, keyboard, gamepad etc all without any problems.