Thanks for pointing me to this, but never used that one as a HID device and it is not listed ...
Tested with another Mac and it works fine.
So it looks like this is a bluetooth issue with that notebook.
@MaBe started
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.
Thanks for pointing me to this, but never used that one as a HID device and it is not listed ...
Tested with another Mac and it works fine.
So it looks like this is a bluetooth issue with that notebook.