[Reinier]

https://www.howtogeek.com/714170/how-to-...-keyboard/

From what I know, page turners just act as another keyboard, albeit with left and right cursor buttons only. I made one with an ESP32 - it's about 10 lines of code.

Gesture control should be possible - it's used on forScore, I think, although I'm told it's a bit hit and miss

Thanks, I'll try that one. Using an ESP32 is a nice one. I have several of them laying around. By the way, I made my own page turner from an old wireless mouse, bypassing the mouse switches with pedals. Works great except it needs a dongle. I once forgot the dongle and a second time I forgot to bring the pedals to the rehearsal, so a phone backup would be great. My first experiment was with a Bluetooth mouse, but is fell asleep pretty fast, requiring a pedal click to wakeup again. Not good when playing music!
One problem with the EPS32 is that it is quite power hungry, but at least it doesn't need a dongle! Maybe wakeup on pedal could be implemented. Do you mind posting your code here?

Thanks again!
Reinier