Hardware, Home Automation
& Homelab

The full ecosystem — Zigbee bulbs, MQTT broker, mmWave presence sensors, Alexa, and every ESP device in the apartment. Start here for the complete picture.

ESP8266 handling a 3-state occupancy machine from a reed switch and DHT11 — door-triggered lighting plus shower detection driving a servo fan via Home Assistant.

Desoldered the IR receiver off a salvaged LED strip and wired it to an ESP for full RGB MQTT control. Per-channel color correction to fix hardware imbalance.

Redesigned a 7-pin matrix keypad into a single analog input using a resistor ladder — unique voltage per button. Arm/disarm via PIN and Home Assistant; TV alarm response sequence.

Custom enclosure over the wall switch housing an ESP32 and rotary encoder. Sends relative commands to HA instead of tracking absolute state — key architectural lesson.

Standalone timer with animated egg character on SSD1306 OLED. Full HA dashboard with per-roommate notification routing. Hardware and firmware done; never merged or shipped.

Non-invasive current sensing for washer/dryer/dishwasher done notifications. Validated circuit on oscilloscope; blocked by ESP ADC noise — pivoting to Arduino ADC.

A full homelab media pipeline on a Raspberry Pi 5 — Jellyfin, automated library management via the arr stack, VPN-tunneled downloads, and cross-network hardware transcoding with Intel Quick Sync.

Arduino Mega + DS3231 RTC in a custom 3D-printed purple enclosure. Brute-force calendar math including DST. Featured a scrapped side-scrolling game ("Spike and Dude").