Bryce McGrath — Engineer

I build machines and the software that runs them.

Robotics · Embedded electronics · 3D printing · Firmware — Rose-Hulman Institute of Technology

Selected Work

Five crew members paddling the 20-foot cardboard boat across a lake, all wearing life jackets

2025 · cad · fea-simulation

Unsinkable: The 20-Foot Cardboard Boat

A 20-foot cardboard boat that carried five people and over 1,000 pounds across the lake. Stress-tested in Autodesk Inventor before construction; broke the school record for size and payload.

★ Paris High School record — size and payload

The assembled CandyBot machine on display at the school robotics table

2024 · arduino · electronics

CandyBot: Halloween, the Engineer Way

An Arduino candy dispenser with a 3D-printed Ferris-wheel mechanism, built the night I turned 18. When the motor driver died at 1 AM, I built a new one on a breadboard.

The robotic arm on the competition table with its control station and first-place ribbon

2021 · raspberry-pi · python

Robotic Arm: Built from Scratch

A robotic arm I built from scratch, with a Tkinter interface simple enough that anyone can drive it. 1st Place, State of Illinois Robotics.

★ 1st Place — State of Illinois Robotics

Excerpt of the custom Marlin Configuration.h showing the BTT SKR Mini E3 board and TMC2209 driver defines

2023 · firmware · embedded-c

Custom Marlin Firmware

Custom Marlin firmware for an Ender 3 Pro after I swapped in a Big Tree Tech board the stock firmware wouldn't run.

About

I built every one of these start to finish, and mostly alone: the CAD, the printed parts, the circuit boards, the firmware. A lot of it came together overnight. When something I needed didn't exist yet, I made it myself.

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