Also try running sudo hcitool lescan and see if it displays anything... That'll check if Linux itself can see any Bluetooth LE devices (then you need to Ctrl-C out of it)
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.
Also try running
sudo hcitool lescan
and see if it displays anything... That'll check if Linux itself can see any Bluetooth LE devices (then you need to Ctrl-C out of it)