Garden Workshop Part 1: The Bones

We built a workshop in the garden… from a kit! Bonus: evolution of my woodworking spaces.

Designing an ESP32-based RGB Matrix Driver and Making 500 of Them!

We built a web-connected LED matrix driver for a team of about 500 people, over 4 months. This post is about the hardware design.

Designing with USB-C: Lessons Learned

I spent hours reading the USB-C spec so you don’t have to. A guide to designing compliant circuits with USB-C for hobbyists.

Building an ESP32 Light Controller

In this post I am going to do a deep dive into the electronics design for my simulated sunrise/sunset aquarium light project. If you have not read that post, I recommend starting with that.

Oscilloscope Current Measurement on the Cheap

Modern oscilloscopes are invaluable for debugging high speed circuits. But what if we want to look at current instead of voltage? Can we do it for cheap?

Simulating Sunrise/Sunset For My Aquarium

I designed a pretty and dynamic light for my aquarium!