FSX AUTOPILOT CONTROL SYSTEM

this device and the software has been created by Andrea Giudici. You can find it there: http://www.area51staff.it/fsxap/ . i just made some adaptation, and improved the firmware. the main difference between the andrea’s project and mine is that i removed the buzzer and used a rotary encoder type KY-040.for the rest, i made an explicit list of material and joined two schemes of the electronics.
I had some concerns using the device with the andrea’s firmware, with the rotary enroler the engage option diplayed more than 1 or 0.i fixed it, now the values can only be 1 or 0 by turning the encoder. The other issue was that the track or the heading displayed continuous numbers, I mean that it can go over 360° , and when you turn by the left I goes by minus number (-1, -2…etc). so I introduce some conditions for the track and the heading to work as a compass. Now arriving at 360 it comes back to 0, and turning button by the left you will get degrees (359, 358…etc). the firmxware should be