Projects

Build logs, experiments, and teardowns using DST-sourced gear. Written in a direct engineering tone — what was built, why, what worked, what didn’t.

ESP32 Mood Ring — Knob-Controlled WS2812B RGB Light

2026-06-20 — esp32, ws2812b, rotary-encoder, build-log

A desk mood light built from one knob and one ring: an ESP32 driving an 8-LED WS2812B ring, with a rotary encoder for colour, brightness, and a chase mode.

3D Printer Endstop Swap — Wiring and Testing a D2F-01 Microswitch

2026-06-20 — 3d-printing, microswitch, multimeter, build-log

Replacing a worn 3D printer endstop with a D2F-01 microswitch: identifying the COM/NO/NC pins with a multimeter before wiring it in, then routing the new cable cleanly along the gantry.

Bench Power Supply Build — LM317 Adjustable Regulator

2026-03-30 — power-supply, LM317, build-log

Building a simple adjustable bench power supply from scratch using an LM317 regulator. Covers schematic, heatsink sizing, and measured output performance.