I created a display app a few years ago to use on my iPad and phone to edit and display interactive labels as I turned encoders or changed banks.
I decided to see how far I could take it, printed a clamp with a display case to hold an ESP32 CYD and this is what I have now. Connects via USB or BLE.
Printed mount:
Editor and display app:
ESP32 CYD:
Final result:
