Digitlal Altemeter (Baro MB)

3D printed with PLA Digital Altemeter with Baro setting knob for home built cockpit.
 
Gauge dimensions  L 88mm x W 88mm Basel OD 83mm +-0.2mm toleranceTested on X-plane via Simvim plugin.
 
The needle is driven by one X27.168 stepper modified for 360deg rotation. Zero position is achived by IR positioning sensor.
 
Altemeter and Baro reading via 7segment displays 6digit and 4 digit respectively contoled by TM1637 IC. Display colour white.
 
One rotary encoder used for baro control.
 
Sold as seen in the picture with no other hardware included.
For the stepper drive recommend SOP28 board with VID6606 chip  or A3967 controller setting the driver to quarter step configuration.