Engineer & Maker

Harrison
Crettol

I build hardware and software that people can actually afford to copy, then write down exactly how it went together.

Projects

Robots, sensors, firmware, and the occasional bad idea. Parts lists, wiring, and what I'd do differently — free to copy.

Browse the builds

Products

The devices I've built enough times to sell assembled, tested, and ready to plug in. Shop opening soon.

See what's coming