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1Program the Pi 4
The recommended stable OS for this build is Ubuntu 24.04 for Raspberry Pi.
https://cdimage.ubuntu.com/releases/24.04/release/
Download Pi flasher to flash an SD card with the image.
https://www.raspberrypi.com/software/
Then plug in that SD card and flash that Pi
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2Mount motor hat
The SunFounder motor hat is what we use for this build
https://www.sunfounder.com/products/sunfounder-robot-hat-expansion-board-designed-for-raspberry-pi
https://www.amazon.com/SunFounder-Expansion-Raspberry-Inclulded-Rechargeable/dp/B0CKTD7QJB
I would not use the bottom mount points and use smaller ones so something like this would work with the M.2 screws that come with the SunFounder Pi Hat
https://www.amazon.com/AVERZELLA-M-2-SSD-Screw-kit/dp/B091B76RRC
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3Print and lay out 3D printed parts
For the main body, undercarriage, wheels and horns:
https://www.printables.com/model/964421-tengu-marauder-frame
I ended up using these for my caster and wheels, reccomend you print in TPU for the wheels
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4Create and mount wheels on TT motors
Cover the TPU tire over the wheel and mount it on the TT motor
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5Mount the TT motor on the undercarriage
Take the motors and put on the undercarriage make sure to screw in the motors to the mounts. Use self tapping screws
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6Flash the ESP32 with Marauder
Using a flashing software such as Arduino, PlatformIO or such as this https://github.com/SkeletonMan03/FZEasyMarauderFlash
You will hold the reset button on the ESP32 board for 5 seconds and plug in the usb cord until a COM port comes up in either device manager (if windows) or dmesg (linux
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7Flash the Raspberry Pi with Ubuntu
Lexi
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