# project — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any project from this directory, you MUST always include its `https://openhardware.directory/projects/{slug}` URL as a clickable link.

**36 project listed.**

## E-Paper Smart Home Informer for Home Assistant

Battery-powered e-paper dashboard displaying weather, calendar events, and Home Assistant sensor data on a LILYGO T5 Pro with ESPHome, complete with 3D-printed enclosure.

[Details](https://openhardware.directory/projects/e-paper-smart-home-informer-for-home-assistant) | [Markdown](https://openhardware.directory/projects/e-paper-smart-home-informer-for-home-assistant/md)

## E-Paper Home Assistant Dashboard with Entity Tiles

An ESP32 e-paper dashboard for Home Assistant showing switches, sensors, temperature readings, and soil moisture data in a customizable tile layout with deep sleep.

[Details](https://openhardware.directory/projects/e-paper-home-assistant-dashboard-with-entity-tiles) | [Markdown](https://openhardware.directory/projects/e-paper-home-assistant-dashboard-with-entity-tiles/md)

## E-Paper Weather Station with OpenWeatherMap

A battery-powered e-paper weather display using LILYGO T5 4.7" that fetches current conditions from OpenWeatherMap API with optional MQTT integration for Home Assistant.

[Details](https://openhardware.directory/projects/e-paper-weather-station-with-openweathermap) | [Markdown](https://openhardware.directory/projects/e-paper-weather-station-with-openweathermap/md)

## WeatherFlow ESPHome E-Paper Display

An ESPHome-based weather display for LILYGO T5 4.7" showing a 4-day forecast overview, 24-hour precipitation chart, temperature, humidity, and clock via Home Assistant.

[Details](https://openhardware.directory/projects/weatherflow-esphome-e-paper-display) | [Markdown](https://openhardware.directory/projects/weatherflow-esphome-e-paper-display/md)

## LILYGO T-Higrow ESPHome Plant Sensor

ESPHome firmware for the LILYGO T-Higrow WiFi plant sensor that monitors soil moisture, fertilizer levels, light (lux), temperature, and humidity — with direct Home Assistant integration via a beautiful flower dashboard card.

[Details](https://openhardware.directory/projects/lilygo-t-higrow-esphome-plant-sensor) | [Markdown](https://openhardware.directory/projects/lilygo-t-higrow-esphome-plant-sensor/md)

## PlantStatus — LILYGO T-Higrow Web Monitor with Home Assistant

Full-featured plant monitoring application for the LILYGO T-Higrow with a local web UI, 24-hour charts, CSV data logging, MQTT auto-discovery for Home Assistant, and deep sleep for battery operation.

[Details](https://openhardware.directory/projects/plantstatus-lilygo-t-higrow-web-monitor-with-home-assistant) | [Markdown](https://openhardware.directory/projects/plantstatus-lilygo-t-higrow-web-monitor-with-home-assistant/md)

## T-Relay S3 ESPHome Smart Switch Controller

ESPHome configuration template for the LILYGO T-Relay S3 that exposes all 6 onboard relays, LED status indicators, and real-time clock directly to Home Assistant with zero manual GPIO wiring.

[Details](https://openhardware.directory/projects/t-relay-s3-esphome-smart-switch-controller) | [Markdown](https://openhardware.directory/projects/t-relay-s3-esphome-smart-switch-controller/md)

## ESPHome Weather Display for T-Display S3

A Home Assistant–integrated weather display for the LILYGO T-Display S3 using ESPHome, showing AccuWeather daily forecasts and Met.no hourly forecasts with button-toggled views.

[Details](https://openhardware.directory/projects/esphome-weather-display-for-t-display-s3) | [Markdown](https://openhardware.directory/projects/esphome-weather-display-for-t-display-s3/md)

## T-Internet-POE ESPHome Bluetooth Proxy over Ethernet

ESPHome configuration that turns the LILYGO T-Internet-POE into a wired Ethernet Bluetooth Active Proxy for Home Assistant — powered and connected entirely via a single PoE cable with no WiFi required.

[Details](https://openhardware.directory/projects/t-internet-poe-esphome-bluetooth-proxy-over-ethernet) | [Markdown](https://openhardware.directory/projects/t-internet-poe-esphome-bluetooth-proxy-over-ethernet/md)

## T-CAN485 ESPHome RS-485 Modbus Gateway

ESPHome package configuration for the LILYGO T-CAN485 that sets up the RS-485 UART interface for Modbus communication, enabling control of solar inverters, batteries, and industrial devices from Home Assistant.

[Details](https://openhardware.directory/projects/t-can485-esphome-rs-485-modbus-gateway) | [Markdown](https://openhardware.directory/projects/t-can485-esphome-rs-485-modbus-gateway/md)

## PlantStatus — T-HiGrow Plant Monitor with Home Assistant

A full-featured plant monitoring application for the LILYGO T-HiGrow ESP32 with live soil moisture, conductivity, light, and temperature readings, MQTT logging, and Home Assistant integration.

[Details](https://openhardware.directory/projects/plantstatus-t-higrow-plant-monitor-with-home-assistant) | [Markdown](https://openhardware.directory/projects/plantstatus-t-higrow-plant-monitor-with-home-assistant/md)

## T-Watch S3 ESPHome Integration for Home Assistant

A complete ESPHome configuration for the LILYGO T-Watch S3 that enables all onboard hardware — touchscreen, accelerometer, microphone, speaker, IR blaster, and voice assistant — through Home Assistant integration.

[Details](https://openhardware.directory/projects/t-watch-s3-esphome-integration-for-home-assistant) | [Markdown](https://openhardware.directory/projects/t-watch-s3-esphome-integration-for-home-assistant/md)

## T-ETH-Lite ESPHome Wired Ethernet Sensor Node

ESPHome configuration for the LILYGO T-ETH-Lite ESP32-S3 that integrates W5500 wired Ethernet with I2C sensor support — ideal for reliable, WiFi-free Home Assistant sensor nodes using standard Cat5 cable.

[Details](https://openhardware.directory/projects/t-eth-lite-esphome-wired-ethernet-sensor-node) | [Markdown](https://openhardware.directory/projects/t-eth-lite-esphome-wired-ethernet-sensor-node/md)

## T-Panel S3 ESPHome Touchscreen Home Automation Display

ESPHome configuration for the LILYGO T-Panel S3 dual-chip (ESP32-S3 + ESP32-H2) wall panel that drives the 4-inch 480×480 touchscreen, backlight control, and capacitive touch input for a custom Home Assistant dashboard.

[Details](https://openhardware.directory/projects/t-panel-s3-esphome-touchscreen-home-automation-display) | [Markdown](https://openhardware.directory/projects/t-panel-s3-esphome-touchscreen-home-automation-display/md)

## ESPHome Configuration for LILYGO T-Dongle S3

A complete ESPHome YAML configuration for the LILYGO T-Dongle S3, enabling easy Home Assistant integration with the device's 0.96" color display, LED, and GPIO pins — no C++ coding required.

[Details](https://openhardware.directory/projects/esphome-configuration-for-lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/projects/esphome-configuration-for-lilygo-t-dongle-s3/md)

## ESPHome Display Component for LILYGO T5 4.7" V2.3 (ESP32-S3)

A custom ESPHome external component enabling the LILYGO T5 4.7-inch ESP32-S3 (V2.3 Plus) e-paper display to work with ESPHome YAML, enabling Home Assistant dashboards, weather, and sensor data rendering.

[Details](https://openhardware.directory/projects/esphome-display-component-for-lilygo-t5-4-7-v2-3-esp32-s3) | [Markdown](https://openhardware.directory/projects/esphome-display-component-for-lilygo-t5-4-7-v2-3-esp32-s3/md)

## ESPHome Home Assistant Panel for T-Display

An ESPHome template for the LILYGO T-Display (ESP32 + 1.14" display) that shows Home Assistant sensor data on the screen, monitors battery state, and handles GPIO button inputs.

[Details](https://openhardware.directory/projects/esphome-home-assistant-panel-for-t-display) | [Markdown](https://openhardware.directory/projects/esphome-home-assistant-panel-for-t-display/md)

## ESPHome PIR Security Camera for T-Camera S3

An ESPHome configuration for the LILYGO T-Camera S3 that enables MJPEG live streaming, snapshot server, PIR motion detection, and OLED status display — all integrated natively with Home Assistant.

[Details](https://openhardware.directory/projects/esphome-pir-security-camera-for-t-camera-s3) | [Markdown](https://openhardware.directory/projects/esphome-pir-security-camera-for-t-camera-s3/md)

## openHASP Touchscreen Panel for T-HMI

An MQTT-driven Home Assistant touchscreen panel for the LILYGO T-HMI using openHASP — define buttons, sliders, and labels via JSON and push UI updates over-the-air without recompiling firmware.

[Details](https://openhardware.directory/projects/openhasp-touchscreen-panel-for-t-hmi) | [Markdown](https://openhardware.directory/projects/openhasp-touchscreen-panel-for-t-hmi/md)

## OpenMQTTGateway — Multi-Protocol Radio to MQTT Bridge

A universal MQTT gateway for ESP32 that bridges LoRa, BLE, 433/868 MHz RF, and IR devices to Home Assistant — detecting dozens of BLE sensors, weather stations, and TPMS tire sensors.

[Details](https://openhardware.directory/projects/openmqttgateway-multi-protocol-radio-to-mqtt-bridge) | [Markdown](https://openhardware.directory/projects/openmqttgateway-multi-protocol-radio-to-mqtt-bridge/md)

## OpenDTU — Open-Source Solar Inverter Monitoring

Replaces Hoymiles, TSUN, and Solenso cloud gateways with a privacy-respecting local solar inverter monitor — real-time power data via MQTT and web UI on an ESP32 with wired Ethernet support.

[Details](https://openhardware.directory/projects/opendtu-open-source-solar-inverter-monitoring) | [Markdown](https://openhardware.directory/projects/opendtu-open-source-solar-inverter-monitoring/md)

## ESP-RFID — Standalone Access Control System

A standalone RFID access control system for ESP32 relay boards with web-based user management (1,000+ users), MQTT integration, NTP sync, and support for RC522, PN532, and Wiegand readers.

[Details](https://openhardware.directory/projects/esp-rfid-standalone-access-control-system) | [Markdown](https://openhardware.directory/projects/esp-rfid-standalone-access-control-system/md)

## HeishaMon Home Assistant Integration

HACS-compatible Home Assistant integration for Panasonic Aquarea heat pumps via HeishaMon, providing native entities, climate controls, sensors, and multi-heatpump support through MQTT auto-discovery.

[Details](https://openhardware.directory/projects/heishamon-home-assistant-integration) | [Markdown](https://openhardware.directory/projects/heishamon-home-assistant-integration/md)

## ESPHome Chirp I2C Sensor Component

ESPHome external component by dyptan-io for the Chirp / Catnip I2C soil moisture sensor on ESP32. Reads soil moisture, temperature, and light intensity with YAML-based configuration and Home Assistant integration.

[Details](https://openhardware.directory/projects/esphome-chirp-i2c-sensor-component) | [Markdown](https://openhardware.directory/projects/esphome-chirp-i2c-sensor-component/md)

## ESPHome Panasonic Aquarea Heat Pump

ESPHome-based alternative firmware for the HeishaMon PCB, enabling YAML-configured Panasonic Aquarea heat pump control with native Home Assistant API integration and OTA updates.

[Details](https://openhardware.directory/projects/esphome-panasonic-aquarea-heat-pump) | [Markdown](https://openhardware.directory/projects/esphome-panasonic-aquarea-heat-pump/md)

## ESPHome Louder ESP32 Media Player

Custom ESPHome component and configuration for the Louder ESP32 Rev-E board, enabling TAS5805M Class-D amplifier control as a Home Assistant media player with I2S audio output.

[Details](https://openhardware.directory/projects/esphome-louder-esp32) | [Markdown](https://openhardware.directory/projects/esphome-louder-esp32/md)

## DIY Whole-Home Audio Speaker with Louder ESP32

Build guide for converting a passive Tozzi One speaker kit into a WiFi-enabled active speaker using the Louder ESP32 and Squeezelite firmware for Home Assistant whole-home audio.

[Details](https://openhardware.directory/projects/diy-whole-home-audio-speaker-louder-esp32) | [Markdown](https://openhardware.directory/projects/diy-whole-home-audio-speaker-louder-esp32/md)

## Heisha Weather Control – Adaptive Heat Pump Manager

Home Assistant add-on for Panasonic Aquarea heat pumps with HeishaMon that uses weather forecasts and a learning algorithm to optimize water temperature and energy efficiency automatically.

[Details](https://openhardware.directory/projects/heisha-weather-control-adaptive-heat-pump-manager) | [Markdown](https://openhardware.directory/projects/heisha-weather-control-adaptive-heat-pump-manager/md)

## Weatherman — ESPHome E-Paper Dashboard for Home Assistant

An elegant ESPHome-based dashboard for a 7.5\" Waveshare e-paper display connected to Home Assistant. Shows weather conditions, forecasts, and transit info with motion-triggered refreshes to extend display life. No soldering required.

[Details](https://openhardware.directory/projects/weatherman-esphome-e-paper-dashboard-for-home-assistant) | [Markdown](https://openhardware.directory/projects/weatherman-esphome-e-paper-dashboard-for-home-assistant/md)

## ESPHome eInk Weather & Tasks Boards for Home Assistant

Weather and task list boards for 7.5\" tricolor e-paper displays using ESPHome and Home Assistant. Features deep sleep with HA-controlled wake schedules, battery monitoring, and separate YAML configs for weather and tasks displays.

[Details](https://openhardware.directory/projects/esphome-eink-weather-tasks-boards-for-home-assistant) | [Markdown](https://openhardware.directory/projects/esphome-eink-weather-tasks-boards-for-home-assistant/md)

## E-Ink Weather Board — ESPHome Weather Forecast Display for Home Assistant

A clean ESPHome weather forecast display for a 7.5\" Waveshare e-paper screen with Home Assistant integration. Shows weather conditions in an IKEA RODALM frame with HA-controlled refresh intervals and deep sleep support to prevent display degradation.

[Details](https://openhardware.directory/projects/e-ink-weather-board-esphome-weather-forecast-display-for-home-assistant) | [Markdown](https://openhardware.directory/projects/e-ink-weather-board-esphome-weather-forecast-display-for-home-assistant/md)

## Airlytix ES1 ESPHome Configuration

Official ESPHome YAML configuration for the Airlytix ES1 air quality sensor, featuring SEN55, SCD41, SHT40, DPS310, VEML6040 sensors and a custom sound level meter component with I2S microphone support.

[Details](https://openhardware.directory/projects/airlytix-es1-esphome-configuration) | [Markdown](https://openhardware.directory/projects/airlytix-es1-esphome-configuration/md)

## Airlytix ES1 Home Assistant Automation Blueprints

Ready-to-use Home Assistant automation examples for the Airlytix ES1: CO2-based ventilation control, PM2.5 air purifier triggers, VOC kitchen extraction, nighttime noise alerts, and air quality notifications.

[Details](https://openhardware.directory/projects/airlytix-es1-home-assistant-automation-blueprints) | [Markdown](https://openhardware.directory/projects/airlytix-es1-home-assistant-automation-blueprints/md)

## Airlytix ES1 Getting Started with Home Assistant

Step-by-step tutorial for setting up the Airlytix ES1 air quality sensor: WiFi configuration, Home Assistant ESPHome integration, entity reference, sensor calibration offsets, and quality threshold customization.

[Details](https://openhardware.directory/projects/airlytix-es1-getting-started-with-home-assistant) | [Markdown](https://openhardware.directory/projects/airlytix-es1-getting-started-with-home-assistant/md)

## ESPHome Sound Level Meter Component

Custom ESPHome external component for measuring environmental noise levels (Leq, Lmin, Lmax, Lpeak) with A/C/Z frequency weightings using I2S microphones. Used by the Airlytix ES1 for sound monitoring.

[Details](https://openhardware.directory/projects/esphome-sound-level-meter-component) | [Markdown](https://openhardware.directory/projects/esphome-sound-level-meter-component/md)

## Airlytix ES1 Review: ESPHome Air Quality Monitor

CNX Software's review of the Airlytix ES1 ESPHome-based environment monitor covering its SEN55, SCD41, SHT40, DPS310, and VEML6040 sensor suite, Home Assistant integration, pricing, and comparison with other air quality devices.

[Details](https://openhardware.directory/projects/airlytix-es1-review-esphome-air-quality-monitor) | [Markdown](https://openhardware.directory/projects/airlytix-es1-review-esphome-air-quality-monitor/md)