raspberry pi

  1. W

    Odd behaviour of JMRI on Ubuntu running on Raspberry Pi

    Recent issue on my JMRI installation. It was working fine one day, programming locos and operating trains. next morning neither panel pro or decoder pro would open the comprehensive programmer for any loco on the roster. This is running on a Raspberry Pi model 4B with 8Gb ram and from a...
  2. J

    clamp diode needed in wiring?

    I am currently making a clock that is tied to a Z scale railroad. I hope my explanation is clear: I will be using a Raspberry Pi to run the railroad once per hour on the hour. Normally, the schematic for running a motor (and that is essentially what I will be doing by supplying power to the...