Responded to @adingbatponder:
@adingbatponder It relies on the Web Serial API https://developer.mozilla.org/en-US/docs/Web/API/Web_Serial_API so you could check the browser console for any errors or warnings.
Responded to @adingbatponder:
@adingbatponder It relies on the Web Serial API https://developer.mozilla.org/en-US/docs/Web/API/Web_Serial_API so you could check the browser console for any errors or warnings.