Honestly I'm not sure about the USBTablet stuff - it may be it wasn't recognised by your PC?
Wow, first I've come across that 'connect to espruino' example. I can't get it to work either - but to be honest those hosted Chrome apps are being removed by Google soon anyway.
It should be just what you want - it'll work off any HTTPS page as long as you view in an up to date Chrome web browser. Right now you have to enable it in chrome://flags (https://codelabs.developers.google.com/codelabs/web-serial/#2) but in a few months that won't be needed.
You can use the Web Serial API directly, but the uart.js wrapper should provide a nice interface around 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.
Honestly I'm not sure about the USBTablet stuff - it may be it wasn't recognised by your PC?
Wow, first I've come across that 'connect to espruino' example. I can't get it to work either - but to be honest those hosted Chrome apps are being removed by Google soon anyway.
How about trying this: https://github.com/espruino/EspruinoWebTools#uartjs
It should be just what you want - it'll work off any HTTPS page as long as you view in an up to date Chrome web browser. Right now you have to enable it in chrome://flags (https://codelabs.developers.google.com/codelabs/web-serial/#2) but in a few months that won't be needed.
You can use the Web Serial API directly, but the uart.js wrapper should provide a nice interface around it.