Transmitter project for the HiSKY protocol used with things like the WLToys V922

See also my HiSKY/HT8 for 9x thread. Attached is my ER9x model for the V922.  I have the HT8 set for Futaba mode.  Note this model has no “beginner” mode or even idle-down (ie. full 3D always).  To fly start with the F.MODE switch all the way up (ID0), move pitch/throttle to mid-stick, then switch…