Posts tagged diy
Aug 7, 2026
6 min read
I Over-Engineered an LED Strip and Gave It a REST API, Web UI, HomeKit, and MCP
I attached an ESP32 to 90 NeoPixels and gave it far more than it needed - 23 effects with variations, a REST API, a web UI, Apple Home (HomeKit), automations, and an MCP server so AI agents can control the lights too.
Jun 17, 2026
5 min read
Teaching My 10-Year-Old Nephew Basic Electronics Through a Letter
A simple letter and a tiny RGB LED circuit I mailed to my 10-year-old nephew to introduce him to basic electronics and encourage curiosity.
Apr 21, 2026
3 min read
A simple smart DIY AC controller to cut power bills
A simple ESP32-based controller that turns your AC on/off based on room temperature - saving electricity without apps, cloud, or complexity.
Feb 25, 2019
2 min read
Representing IP addresses using WS2812B
I just wanted the NodeMCU to tell me the IP through some interface without needing a computer.
