Projects
Builds worth copying.
Full write-ups for every ESP32, HomeKit and 3D-printed build on this site, real parts, real code, real photos.
Electronics
Raspberry Pi Zero W HAT Template for KiCad
A ready-made KiCad starting point for a Raspberry Pi Zero W HAT: the exact board outline, mounting holes and 40-pin header, plus a 3D model, MIT licensed. Includes a walkthrough for creating your own KiCad symbol.
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Electronics
RetroPie on a Raspberry Pi 4B
A Raspberry Pi 4B as a retro game console with RetroPie, and where the files go on the SD card.
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Software
ESP32 Matter: 69 Open-Source Smart-Home Devices, No Cloud Required
A from-scratch toolkit for building Matter smart-home devices on the ESP32: 69 real, buildable device types, a wizard that writes the build commands for you, and nothing that phones home.
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Tools
The ESP-WROOM-32 Programmer
A development baseboard for the ESP-WROOM-32 module: labeled GPIO breakout, auto-reset circuitry, and dedicated BOOT/RESET buttons, so flashing firmware stops meaning jumper wires and a manual button dance.
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Electronics
Mouse Bite Footprints for KiCad
Five mouse bite footprints for KiCad, for panelizing printed circuit boards with perforated break-off tabs, with a step by step guide to using them.
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CNC
Mini CNC Laser Engraver: A Build That Did Not Work
A small laser engraver with a 3D printed frame, two stepper motors, an Arduino Nano with GRBL and a 200 mW laser, and why it never engraved.
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Electronics
Building a Budget BD-X Droid, Part 1: The Plan
Disney’s BD-X droid can’t be bought, but an open-source project recreates it at 42 cm. In this series I build it step by step, explain every word along the way, and show what it costs and what goes wrong.
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