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small Mechanum bot — Parallax Forums

small Mechanum bot

RaymanRayman Posts: 16,126
in Robotics

Started working on this thing... Think will fit with P1 to start with...

https://www.amazon.com/dp/B09P2XR91Z?th=1

Drew it up in SolidWorks to help think about motor driver PCB...

Think will use two of these dual motor drivers:
https://www.amazon.com/dp/B0F43L7LLD?
Sparkfun also sells something that looks identical, in case these ones are bad for some reason...

Comments

  • RaymanRayman Posts: 16,126

    Just ordered these long boards to drive the motors...
    The idea is that everything is controlled by one QWIIC cable from Propeller PCB.

    Uses two of these boards, one for each side. Each has a 16 I/O Expander and a dual motor driver (plus some extra stuff).

    QWIIC_BOT_1b.png
    263 x 1281 - 67K
    LongBoards.png
    520 x 711 - 108K
  • pilot0315pilot0315 Posts: 979
    edited 2026-02-21 07:58

    @Rayman
    Howdy this is Martin.
    I have been fascinated with the mechanum wheels. Bought several sets.
    But the best place I found was Goodwill where I get r.c. cars and tear them down for parts.

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