Train Simulator Controller: CAN-Connected Air Gauge, Part 2

In my ongoing quest to build a physical cab dashboard to control Train Simulator, an important set of components are the gauges that tell me what&rsquo;s going on with the train. As I build the dashboard into which to embed my gauges, I realized I needed to better modularize my air pressure gauge, moving the control circuit board outside the gauge. Here&rsquo;s how I did it.