Đồng hồ đo tốc độ bay (Airspeed Indicator) cho giả lập bay

A very easy-to-build Airspeed Indicator for flight simulation.

Material needed:
2 pc 28BYJ-48 stepper motor with ULN2003 driver board
1 pc EC11 Encoder (15mm Plum)  
1 pc Ø 79mm x 0.2mm transparent foil.
3 pc Screws M4x25
4 pc Screws M4x10
4 pc Screws M3x10 

The coloured arcs on the dial are designed for the Cessna 172 Skyhawk, modify as desired.

Print the Spacer Frame for the Glass (1 encoder Spacer.stl) in translucent material for use with the Lighting frame for the flight simulator modules by @Felte

I haven't updated the arduino code for this yet.