@user111255 which version did you tried and how did you flashed?
Can you please share some WebIDE output how your device behaves.
@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.
@user111255 which version did you tried and how did you flashed?
Can you please share some WebIDE output how your device behaves.