• Arduino

  • Electronics Supply

    • Adafruit Industries Suppliers of Arduinos, Raspberry Pis, and related electronic goodies
    • Mouser
    • PCBWay PCBWay PCB Prototype the Easy Way. Full feature custom PCB prototype service.
    • Spark Fun Electronics Supply, especially robotics components

  • Model Railroad

    • Model Railroad Circuits Model Railroad Circuits for the Raspberry Pi
    • National Model Railroad Association The National Model Railroad Association, Inc. advances the global scale model railroading community through education, advocacy, standards, and social interaction. The National Model Railroad Association, Inc. advances the global scale model railroading community through education, advocacy, standards, and social interaction.
    • Open LCB Project The Open LCB / LCC project

  • Open Source Software

  • Raspberry Pi

  • Robotics