The FP-30 Remote Control uses WebMIDI / Web Bluetooth to connect to a Roland FP-30 instrument and control its dashboard settings.
It is self-contained, so you can save this page locally and open it directly.
The page uses the browsers local storage to store the selected MIDI device to try to reconnect on load.
This is considered experimental. It has only been tested with the FP-30. Use at your own risk.