• Added a guard to the front of TrainThing layout to protect the Raspberry Pi when mounted under the layout. The frame around the layout is a 1"x4" (3 ½" high). The Raspberry Pi stack is close to 6" high. 
  • Added some cabling info under "Conventions."
  • Started the first version of the bracket for the Traffic Monitor LEDs, Run/shutdown switch, run LED and fan switch.