ppm2usb
What
Port of https://github.com/ciorceri/ppm2usb to cheap and fast RP2040 so that you can play FPV sims using an old controller.
How to connect
Add PPM input from your radio to PIN 5, make sure you do voltage divider as the input is 3v3.
How to flash
Run pio flash or downlaod u2f from Actions tab.
How to test
Attach to computer and go to the https://gamepad-tester.com/, you should see the inputs.