1v80 is pretty outdated, and exactly with that (and some few other) versions there was this issue: https://github.com/espruino/Espruino/issues/559 that you face: setDeviceClockCmd: Unknown Device.
As @Robin hints, update - re-flash - your Original Espruino board. In the IDE, click the Gear / Settings Icon and then choose Flasher from SETTINGS menu.
Amazing how reliable Murphy works! What are the odds to get exactly that version... - Sorry for that, I know how it is when starting with something and that something just walks sidewards instead of forward.
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.
1v80 is pretty outdated, and exactly with that (and some few other) versions there was this issue: https://github.com/espruino/Espruino/issues/559 that you face: setDeviceClockCmd: Unknown Device.
As @Robin hints, update - re-flash - your Original Espruino board. In the IDE, click the Gear / Settings Icon and then choose Flasher from SETTINGS menu.
Instructions how to re-flash you can find at https://www.espruino.com/Original , section Firmware Updates.
Amazing how reliable Murphy works! What are the odds to get exactly that version... - Sorry for that, I know how it is when starting with something and that something just walks sidewards instead of forward.