Circuit board for a simple DCC Keep-Alive. This is a project for the Pacific Coast Region of the NMRA. Board is a panel, 10 up. User is responsible for components and assembly. Based on a circuit published by Larry Puckett. https://www.dccguy.com/?tag=keep-alive. See the PCR Coast Division Meet Up clinic of August 22, 2020.
Size of assembled Keep-Alive is 1.65" long x .710 inches wide and .4" thick. Fits within an EMD diesel shell.
Assembly information and CAD files can be found at https://github.com/SethNeumann/PCR-Keep-Alive