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README.md

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  • PSU Baseboard / Bus Head

    This is a circuit & mount for a small power supply and embedded system bus-head for the uart-clocked bus.

    routed schem

    What's Up:

    • uses the module
    • breaks out 24V 350W & UCBus on one 2x15 IDC
    • second 24V 40W UCBus channel available
    • RPI mount available
      • RPI UART lines plumbed
      • 5V 2A regulator footprint to power RPI from 24V PSU
      • I2C Display Module footprint available
      • BFCs & Filtering available

    Firmware

    I use this board mostly as the 'coordinator' for modular motion systems, firmware is here and uses platform.io to run, see this guide to build and load code.

    Shorthand BOM

    • 7x 470R / 120R / LED Choice R
    • 3x 1k
    • 2x 4k7
    • 2x 10k
    • 4x 1uF
    • 4x 10uF
    • 8x LED,
    • TVS Diode
    • 2x Hi-Side Gate DRV MIC5014
    • 3x NFET TPW4R008NH
    • Optional I2C Display
    • Optional 4x Pushbutton
    • Optional Pololu D36V50F5 Regulator (PSU -> RPI)
    • Optional RPI