Home Assistant / ESPHome

Turns cheap second-hand electronic shelf labels into a Wi-Fi-managed e-ink display fleet via an ESP32 access point.

Official ESPHome configs that turn ESP32-S3 boxes into local wake-word voice satellites for Home Assistant Assist.

The go-to firmware for controlling WS2812B and similar LED strips from a phone, with 100+ effects and Home Assistant support.

An open-hardware ESP32 board that measures up to 6 circuits (expandable) with CT clamps, works with ESPHome and Home Assistant.

An ESP32-S3 smart knob inspired by SmartKnob, with an LVGL UI, MQTT smart-home control and Surface Dial mode.

An ESPHome config for a DIY air-quality monitor measuring CO2, particulates, temperature, humidity and pressure.

An all-in-one ESPHome air monitor showing temperature, humidity, CO2 and PM2.5 with 12-hour trend charts on a small screen.

A cloud-free ESP32 thermostat with touchscreen UI, Home Assistant integration and forecast-aware behaviour.

A WS2812B 8x32 matrix display that shows clock, pixel-art animations and smart-home notifications via MQTT or HTTP.

Controls OpenTherm gas boilers from an ESP32 with PID/weather-compensated heating and full Home Assistant integration.

Firmware for ESP32 + CC2652 boards that turns them into Ethernet or Wi-Fi Zigbee coordinators for Zigbee2MQTT and ZHA.

Official open firmware for the RuuviTag environmental sensor beacon (nRF52832) broadcasting BLE sensor data.