@petewill
Great guide.
I stumbled upon this when I realised that my Debel awning was using a Dooya motor and remote.
I did not use your cool system with the soundcard to sniff the RF codes, but instead used my RTL-SDR usb receiver, since I already had it laying around 😀
After finding the codes I programmed an Arduino with it and connected it to my OpenHAB installation. Now the awning can be controlled with the OpenHAB app, and my wife just loves it 😀
Just wanted to point it out for others looking for RF codes for Debel awnings.