Mike

I added a new button so you can enter a number and send character. Let me know if that works. I am planning on adding some thing so you can...

Actually I am looking in to how to make a more advanced version of the terminal with full compatibility. I found this https://xtermjs.org/ and it seem like it might be...

I did play with that chrome labs demo but it never worked as I expected it to work. @maholli

Firefox and Brave are both too scared to implement.

Are you sure that the needed flags are not enabled by default? It is my understanding that with the latest releases of google chrome and Microsoft edge that these were...

Chrome on a pi zero sounds like no no fun at all. You might want to look in to a command line method of talking to the serial port. Running...

@janbbeck I do not believe that android has support for serial devices to be recognized by the browser at the moment. As far as I know no USB to serial...

No. There is a separate webUSB api but you need to write a specific driver to interface with a particular USB to serial converter. IE. Not universal.

Hitting the refresh button when you want to connect to a new device is a problem?

Yes. It has been reported to work with: ESP32 ESP8266 Arduino Duet2 the new raspberry pi microcontroler thing Best thing you can do is give it a little test.