Chaotic Brain
Full Stack Software Engineer & Maker
Welcome to Chaotic Brain — where I chase shiny objects and write about what I find. Software, Radio Control Drones and whatever else catches my eye.
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Projects

One Day Builds : Arduino Motor Controller for TimSav needle cutter
Complete

A dedicated Arduino-based motor controller for a TimSav needle cutter, using GRBL's coolant output as the G-code control signal.

Advanced Servo Tester

Advanced Servo Tester
WIP

An RC servo tester with more features than the simple off-the-shelf variety.

Project Greenfly
WIP

A website and app for logging flights on RC drones — track locations, battery cycles, flight time, and maintenance history.

Latest from blog

In the Age of AI, the Code Review Is Your Signature

Even when AI is very good at creating code, the ownership and responsibility still belong to the engineer.

Do you really use Git?

Why you should treat git as a diary of your thoughts on the work you are doing

From Jekyll to Astro - Modernizing Chaotic Brain

Ten years after setting up this blog on Jekyll, I finally got around to rebuilding it. Ruby rot, dead dependencies, and a more modern path forward with Astro.

© 2026 David J. Just (Chaotic Brain)
Developed by David J. Just (Chaotic Brain) using Astrofy Template ⚡️
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