Here is a quick tutorial on how to change the Horizon colors on the Mountain Wave DIY Avionics EFIS
This post assumes you can build the source on the device as shown here:
The Colors for the Horizon are stored in horizon_instrument.cpp
Use any text editor you like, I use nano. “nano horizon_instrument.cpp”
The two colors for the sky and earth are set with two RGB Combination here:
If we wanted to make the sky pink, we could simply change the RGB combination of the sky to 248, 24, 148. The last 255 is grey value – since we want full on pink, we’ll leave it at 255.
Now save the file, run qmake, followed by make, and run the application:
Now you should have a nice pink, apocalyptic sky