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Complex Build - Nucleo

Reasons to consider the supported Nucleo-F4 boards

  • Nucleo-144 can have up to 8 districts.
    - DCC signals are in sync, as is the case for all of the DCC-EX command stations.
    - DC signals can be in sync, which makes Nucleo-144 the better choice if you want 8 DC mode districts.

  • Nucleo-144 - Ethernet is onboard/included with F429ZI and F439ZI
            hint: minimal cost difference; you may find it useful.

  • Nucleo boards are quality products.
    - Pricing is best when purchased from st.com or one of their distributors:
        Digikey, Farnell, Mouser

  • Nucleo-64
    Why would someone go this route vs. Nucleo-144 or CSB1/ESP32-WROOM?
    - More pins than ESP32
    - More memory than Mega
    - F411RE could be used as EX-IOExpander
    - Already have EX8874 and WiFi shield and/or want the smaller size

Nucleo-F4 boards supported

  • Nucleo-144
    F429ZI / F439ZI - Ethernet included
    F446ZE
    F413ZH

  • Nucleo-64
    F411RE
    F446RE

  • Other notes
    - The three Nucleo-144 boards' pin locations are quite consistent with each other.
    - Nucleo-144 boards have the Zio headers installed - headers (top) and pins (bottom).
        Morpho headers will require installation/soldering, if you want to use them.
       
    - Nucleo-64 boards' pin locations are less consistent. If you are aware, it should not be an issue.
    - Nucleo-64 boards have Arduino headers (top) and Morpho pins (top and bottom) installed.

Reference - Nucleo