# 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.

**135 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)

## E-Paper Clock with Weather Icons

A battery-powered e-paper desk clock showing NTP-synced time, date, weather icons from OpenWeatherMap, and battery voltage on a LILYGO T5 4.7" display with deep sleep.

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

## DIY E-Paper Retro Picture Frame

A retro-styled digital picture frame using LILYGO T5 4.7" e-paper that cycles through grayscale images converted from PNG files, with a 3D-printed vintage frame enclosure.

[Details](https://openhardware.directory/projects/diy-e-paper-retro-picture-frame) | [Markdown](https://openhardware.directory/projects/diy-e-paper-retro-picture-frame/md)

## E-Paper Domoticz & Weather Console

An e-paper console combining OpenWeatherMap forecasts with Domoticz home automation sensor data on a LILYGO T5 4.7" display, with configurable device IDX mapping.

[Details](https://openhardware.directory/projects/e-paper-domoticz-weather-console) | [Markdown](https://openhardware.directory/projects/e-paper-domoticz-weather-console/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)

## T-Beam Supreme LoRa APRS SOTA Hiking Tracker

A lightweight, multi-day LoRa APRS position tracker built on the LILYGO T-Beam Supreme for SOTA hikers and backcountry adventurers to share real-time GPS coordinates without cellular coverage.

[Details](https://openhardware.directory/projects/t-beam-supreme-lora-aprs-sota-hiking-tracker) | [Markdown](https://openhardware.directory/projects/t-beam-supreme-lora-aprs-sota-hiking-tracker/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)

## Weather Micro Station for T-Display S3

A modular, high-performance weather display for the LILYGO T-Display S3 showing real-time OpenWeatherMap data with smooth 40 FPS animations, 18 weather icons, and scrolling ticker.

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

## Ripple QWERTY LoRa Mesh Messenger on T-Deck

The Ripple QWERTY firmware turns the LILYGO T-Deck into a standalone encrypted LoRa mesh messenger with GPS, offline maps, group chats, and no internet or cellular connection required.

[Details](https://openhardware.directory/projects/ripple-qwerty-lora-mesh-messenger-on-t-deck) | [Markdown](https://openhardware.directory/projects/ripple-qwerty-lora-mesh-messenger-on-t-deck/md)

## YAFC Flip Clock for T-Display S3

An animated flip clock for the LILYGO T-Display S3 with smooth 3-step digit rotation transitions, 12/24-hour modes, and a demo mode that accelerates time to show cascading animations.

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

## NerdMiner v2 Bitcoin Solo Miner

An open-source Bitcoin solo mining curiosity for 20+ ESP32 boards including the LILYGO T-HMI, T-Display S3, and T-Display S3 AMOLED — primarily educational desktop hardware with live mining statistics.

[Details](https://openhardware.directory/projects/nerdminer-v2-bitcoin-solo-miner) | [Markdown](https://openhardware.directory/projects/nerdminer-v2-bitcoin-solo-miner/md)

## Meshtastic Wearable Node on T-Watch S3

Flash the LILYGO T-Watch S3 with Meshtastic firmware to create a wrist-worn LoRa mesh networking node with touchscreen control, making it one of the few true wearable Meshtastic devices available.

[Details](https://openhardware.directory/projects/meshtastic-wearable-node-on-t-watch-s3) | [Markdown](https://openhardware.directory/projects/meshtastic-wearable-node-on-t-watch-s3/md)

## ESP32APRS T-TWR Plus APRS Station

A full-featured APRS station (igate, digipeater, tracker, weather) running on the LILYGO T-TWR Plus, using its built-in SA868 VHF/UHF transceiver and rotary encoder UI.

[Details](https://openhardware.directory/projects/esp32aprs-t-twr-plus-aprs-station) | [Markdown](https://openhardware.directory/projects/esp32aprs-t-twr-plus-aprs-station/md)

## CyberWatch — Cyberpunk-Themed T-Watch S3 Firmware

A Cyberpunk 2077–inspired custom firmware for the LILYGO T-Watch S3, featuring a neon app grid with system info, clocks, settings, tools, and a flashlight — all skinned in a dark, futuristic aesthetic.

[Details](https://openhardware.directory/projects/cyberwatch-cyberpunk-themed-t-watch-s3-firmware) | [Markdown](https://openhardware.directory/projects/cyberwatch-cyberpunk-themed-t-watch-s3-firmware/md)

## Binary Clock Station for T-Display S3

A polished binary clock for the LILYGO T-Display S3 that shows BCD time as illuminated dot columns with WiFi NTP sync, adjustable brightness, and a decimal overlay toggle.

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

## Valentine One Gen2 Remote Display on LILYGO T4 S3

A Bluetooth Low Energy remote display for the Valentine One Gen 2 radar detector, running on the LILYGO T4 S3's 2.41" AMOLED screen with directional alerts, signal strength, GPS-based lockouts, and OTA updates.

[Details](https://openhardware.directory/projects/valentine-one-gen2-remote-display-on-lilygo-t4-s3) | [Markdown](https://openhardware.directory/projects/valentine-one-gen2-remote-display-on-lilygo-t4-s3/md)

## Meshtastic with GPS and Offline Maps on T-Deck Plus

Set up the LILYGO T-Deck Plus as a Meshtastic handheld communicator with built-in GPS and offline raster map tiles stored on a microSD card for real-time mesh network visualization in the field.

[Details](https://openhardware.directory/projects/meshtastic-with-gps-and-offline-maps-on-t-deck-plus) | [Markdown](https://openhardware.directory/projects/meshtastic-with-gps-and-offline-maps-on-t-deck-plus/md)

## ChirpR OS — All-in-One Communication Firmware for T-Deck Pro

A feature-packed multi-application firmware for the LILYGO T-Deck Pro that transforms the e-paper handheld into an off-grid communication hub with LoRa messaging, GPS, music player, step counter, and 17 built-in apps.

[Details](https://openhardware.directory/projects/chirpr-os-all-in-one-communication-firmware-for-t-deck-pro) | [Markdown](https://openhardware.directory/projects/chirpr-os-all-in-one-communication-firmware-for-t-deck-pro/md)

## T5 E-Paper S3 Pro UI — Weather & LoRa Dashboard

A feature-rich UI for the LILYGO T5 E-Paper S3 Pro combining weather display, LoRa SX1262 radio, touch navigation, and MagSafe charging support on a 4.7" 16-gray e-paper screen.

[Details](https://openhardware.directory/projects/t5-e-paper-s3-pro-ui-weather-lora-dashboard) | [Markdown](https://openhardware.directory/projects/t5-e-paper-s3-pro-ui-weather-lora-dashboard/md)

## s-term — SSH Terminal and Notepad for LILYGO T-Deck Pro

A keyboard-driven SSH terminal and e-ink notepad firmware for the LILYGO T-Deck Pro, with WireGuard VPN support, SD card file management, BLE HID keyboard/trackpad mode, and optional Meshtastic radio integration.

[Details](https://openhardware.directory/projects/s-term-ssh-terminal-and-notepad-for-lilygo-t-deck-pro) | [Markdown](https://openhardware.directory/projects/s-term-ssh-terminal-and-notepad-for-lilygo-t-deck-pro/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)

## T3-S3 E-Paper Meshtastic LoRa Node

Run Meshtastic mesh networking firmware on the LILYGO T3-S3 E-Paper, combining ESP32-S3, SX1262 LoRa, and a 2.13" e-paper display for off-grid text messaging with persistent screen status.

[Details](https://openhardware.directory/projects/t3-s3-e-paper-meshtastic-lora-node) | [Markdown](https://openhardware.directory/projects/t3-s3-e-paper-meshtastic-lora-node/md)

## T-Glass iOS Notification Display and Image Capture App

Custom ESP-IDF applications for the LILYGO T-Glass V2 smart glasses, including a BLE-based iOS notification mirror (ANCS) and a remote image capture app, showcasing the wearable AMOLED prism display platform.

[Details](https://openhardware.directory/projects/t-glass-ios-notification-display-and-image-capture-app) | [Markdown](https://openhardware.directory/projects/t-glass-ios-notification-display-and-image-capture-app/md)

## C64 Emulator for T-HMI

A Commodore 64 emulator running on the LILYGO T-HMI's 2.8-inch touchscreen with BLE and web-based keyboard input, joystick support, SD card D64 disk images, and classic game playback.

[Details](https://openhardware.directory/projects/c64-emulator-for-t-hmi) | [Markdown](https://openhardware.directory/projects/c64-emulator-for-t-hmi/md)

## Stock Market Ticker Display on LILYGO T-Dongle S3

A real-time stock market display for the LILYGO T-Dongle S3's 0.96" screen, showing S&P 500, NASDAQ 100, and 10-year T-Bill values and daily percentage changes pulled from Yahoo Finance over WiFi.

[Details](https://openhardware.directory/projects/stock-market-ticker-display-on-lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/projects/stock-market-ticker-display-on-lilygo-t-dongle-s3/md)

## T-Embed Application Shell

An LVGL-based application framework for the LILYGO T-Embed showcasing WiFi scanning, BLE device discovery, SD card browsing, RGB LED control, and deep sleep via rotary encoder.

[Details](https://openhardware.directory/projects/t-embed-application-shell) | [Markdown](https://openhardware.directory/projects/t-embed-application-shell/md)

## T-Dongle Ducky — WiFi-Controlled Rubber Ducky on LILYGO T-Dongle S3

Transforms the LILYGO T-Dongle S3 into a WiFi-controlled USB HID Rubber Ducky, controllable via a web server hosted on the device itself — with a DuckyScript interpreter, file storage, and both AP and STA WiFi modes.

[Details](https://openhardware.directory/projects/t-dongle-ducky-wifi-controlled-rubber-ducky-on-lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/projects/t-dongle-ducky-wifi-controlled-rubber-ducky-on-lilygo-t-dongle-s3/md)

## LVGL Smart Watch UI for LILYGO T-Encoder Pro

A SquareLine Studio–designed LVGL smart watch demo ported to the LILYGO T-Encoder Pro's AMOLED display, using a lean custom SH8601 display driver and CHSC5816 touch driver — a ready-to-extend firmware template.

[Details](https://openhardware.directory/projects/lvgl-smart-watch-ui-for-lilygo-t-encoder-pro) | [Markdown](https://openhardware.directory/projects/lvgl-smart-watch-ui-for-lilygo-t-encoder-pro/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)

## T-SIM7080G-S3 Solar-Powered NB-IoT Remote Sensor Node

Arduino/PlatformIO firmware for the LILYGO T-SIM7080G-S3 that creates a solar-powered, battery-backed NB-IoT remote sensor node publishing GPS location and environmental data to MQTT or cloud IoT platforms — with deep sleep for multi-day battery life.

[Details](https://openhardware.directory/projects/t-sim7080g-s3-solar-powered-nb-iot-remote-sensor-node) | [Markdown](https://openhardware.directory/projects/t-sim7080g-s3-solar-powered-nb-iot-remote-sensor-node/md)

## Meshtastic LoRa Mesh Node with LILYGO T3-S3

A compact off-grid LoRa mesh communication node built on the LILYGO T3-S3, running Meshtastic firmware for long-range text messaging, GPS position sharing, and sensor telemetry without cellular or internet.

[Details](https://openhardware.directory/projects/meshtastic-lora-mesh-node-with-lilygo-t3-s3) | [Markdown](https://openhardware.directory/projects/meshtastic-lora-mesh-node-with-lilygo-t3-s3/md)

## Meck — Meshcore BLE/WiFi Companion Firmware for T-Deck Pro

A fork of Meshcore focused on enabling BLE and WiFi companion app connectivity for the LILYGO T-Deck Pro, letting users pair the handheld with smartphone apps for off-grid LoRa mesh messaging.

[Details](https://openhardware.directory/projects/meck-meshcore-ble-wifi-companion-firmware-for-t-deck-pro) | [Markdown](https://openhardware.directory/projects/meck-meshcore-ble-wifi-companion-firmware-for-t-deck-pro/md)

## T-Beam Supreme as a Meshtastic Long-Range Node

Deploy the LILYGO T-Beam Supreme as a high-performance Meshtastic mesh node, leveraging its ESP32-S3, SX1262 LoRa radio, and precision GPS to achieve 10+ km range and serve as a backbone relay in off-grid communication networks.

[Details](https://openhardware.directory/projects/t-beam-supreme-as-a-meshtastic-long-range-node) | [Markdown](https://openhardware.directory/projects/t-beam-supreme-as-a-meshtastic-long-range-node/md)

## T-Lora Pager Meshtastic Portable Node with Offline Maps

A complete Meshtastic build using the LILYGO T-Lora Pager — a pager-form-factor off-grid communicator with QWERTY keyboard, LoRa mesh radio, GPS, NFC, and optional SD-card offline maps for fieldwork and emergency communications.

[Details](https://openhardware.directory/projects/t-lora-pager-meshtastic-portable-node-with-offline-maps) | [Markdown](https://openhardware.directory/projects/t-lora-pager-meshtastic-portable-node-with-offline-maps/md)

## T-Mini E-Paper S3 Meshtastic Node with Tiny Display

Flash Meshtastic firmware onto the LILYGO T-Mini E-Paper S3 for a compact off-grid LoRa mesh node with a 1.02" e-paper status display showing node info and received messages.

[Details](https://openhardware.directory/projects/t-mini-e-paper-s3-meshtastic-node-with-tiny-display) | [Markdown](https://openhardware.directory/projects/t-mini-e-paper-s3-meshtastic-node-with-tiny-display/md)

## T-TWR Rev 2.1 FSK Digital Modem

A 1000 bps FSK software modem for the LILYGO T-TWR Rev 2.1, enabling digital data transmission over UHF with LDPC forward error correction and real-time ASCII waterfall display.

[Details](https://openhardware.directory/projects/t-twr-rev-2-1-fsk-digital-modem) | [Markdown](https://openhardware.directory/projects/t-twr-rev-2-1-fsk-digital-modem/md)

## TinyIO — Sub-GHz RF Sniffer and Replayer on LILYGO T-QT Pro

A sub-GHz RF signal sniffer and replayer built on the LILYGO T-QT Pro paired with a CC1101 radio module, capable of copying, storing, and replaying ASK-OOK signals from garage doors, doorbells, and wireless sensors.

[Details](https://openhardware.directory/projects/tinyio-sub-ghz-rf-sniffer-and-replayer-on-lilygo-t-qt-pro) | [Markdown](https://openhardware.directory/projects/tinyio-sub-ghz-rf-sniffer-and-replayer-on-lilygo-t-qt-pro/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)

## MeshCore Terminal on T-Deck

Flash the LILYGO T-Deck with MeshCore firmware to create a fast, professional LoRa mesh communicator with offline maps, repeater management, signal diagnostics, and a terminal CLI — all accessible via the physical QWERTY keyboard.

[Details](https://openhardware.directory/projects/meshcore-terminal-on-t-deck) | [Markdown](https://openhardware.directory/projects/meshcore-terminal-on-t-deck/md)

## High-Power Meshtastic Node with LILYGO T-Beam 1W

A long-range Meshtastic mesh node built on the LILYGO T-Beam 1W, using its 1-watt LoRa power amplifier for extended coverage as a hilltop repeater or remote area relay node.

[Details](https://openhardware.directory/projects/high-power-meshtastic-node-with-lilygo-t-beam-1w) | [Markdown](https://openhardware.directory/projects/high-power-meshtastic-node-with-lilygo-t-beam-1w/md)

## Multi-Band LoRaWAN Sensor Node with T3-S3 LR1121

A LoRaWAN sensor node built on the LILYGO T3-S3 LR1121, leveraging the LR1121 chip's multi-band capability to operate on Sub-GHz (433/868/915 MHz) and 2.4 GHz frequencies from a single hardware platform.

[Details](https://openhardware.directory/projects/multi-band-lorawan-sensor-node-with-t3-s3-lr1121) | [Markdown](https://openhardware.directory/projects/multi-band-lorawan-sensor-node-with-t3-s3-lr1121/md)

## LiLoRa — LoRaWAN Coverage Mapper with T-Watch S3

A wearable LoRaWAN range testing system using the LILYGO T-Watch S3, pairing the watch's SX1262 radio with GPS from a BLE-connected smartphone to map network coverage and signal quality in real time.

[Details](https://openhardware.directory/projects/lilora-lorawan-coverage-mapper-with-t-watch-s3) | [Markdown](https://openhardware.directory/projects/lilora-lorawan-coverage-mapper-with-t-watch-s3/md)

## LVGL Analog Clock for T-RGB Round Display

An analog clock application for the LILYGO T-RGB 2.1-inch round display, using LVGL 8 on ESP32-S3 with NTP synchronization, WiFi configuration, and a clean circular watchface layout.

[Details](https://openhardware.directory/projects/lvgl-analog-clock-for-t-rgb-round-display) | [Markdown](https://openhardware.directory/projects/lvgl-analog-clock-for-t-rgb-round-display/md)

## Bruce Firmware for T-Embed CC1101

An offensive security and red-team firmware for the LILYGO T-Embed CC1101, providing sub-GHz RF scanning, signal replay, WiFi attacks, BLE exploitation, NFC cloning, IR control, and BadUSB — with 5.1k GitHub stars.

[Details](https://openhardware.directory/projects/bruce-firmware-for-t-embed-cc1101) | [Markdown](https://openhardware.directory/projects/bruce-firmware-for-t-embed-cc1101/md)

## Rust Drivers and 3D Renderer for LILYGO T4 S3

A Rust starter pack for the LILYGO T4 S3 featuring a display driver, touchscreen driver, and embedded-graphics examples including a real-time 3D model renderer on the 2.41" AMOLED display.

[Details](https://openhardware.directory/projects/rust-drivers-and-3d-renderer-for-lilygo-t4-s3) | [Markdown](https://openhardware.directory/projects/rust-drivers-and-3d-renderer-for-lilygo-t4-s3/md)

## ESP32-CAM MJPEG2SD Motion Security Camera

A comprehensive motion-capture camera firmware for ESP32-S3 boards including the LILYGO T-Camera S3, recording MJPEG video to SD card, streaming to a browser, and sending Telegram/email alerts on PIR or camera-detected motion.

[Details](https://openhardware.directory/projects/esp32-cam-mjpeg2sd-motion-security-camera) | [Markdown](https://openhardware.directory/projects/esp32-cam-mjpeg2sd-motion-security-camera/md)

## Simple E-Book Reader for LILYGO T-Deck Pro

A minimal plain-text e-reader firmware for the LILYGO T-Deck Pro that reads .txt files from an SD card on the built-in e-paper display, with persistent page indexing, word wrap, and keyboard navigation.

[Details](https://openhardware.directory/projects/simple-e-book-reader-for-lilygo-t-deck-pro) | [Markdown](https://openhardware.directory/projects/simple-e-book-reader-for-lilygo-t-deck-pro/md)

## T-Camera Plus S3 LVGL Smart Camera Station

A complete LVGL-based smart camera platform for the LILYGO T-Camera Plus S3 with live camera preview on the 240×240 display, file management, audio recording/playback, and face detection via the OV2640 sensor.

[Details](https://openhardware.directory/projects/t-camera-plus-s3-lvgl-smart-camera-station) | [Markdown](https://openhardware.directory/projects/t-camera-plus-s3-lvgl-smart-camera-station/md)

## RDA5807 FM Radio Receiver for T-Embed

An FM radio receiver for the LILYGO T-Embed using an RDA5807 module, controlled via the rotary encoder and displayed on the 1.9-inch TFT — leveraging the board's built-in speaker and amplifier for audio output.

[Details](https://openhardware.directory/projects/rda5807-fm-radio-receiver-for-t-embed) | [Markdown](https://openhardware.directory/projects/rda5807-fm-radio-receiver-for-t-embed/md)

## Multiplayer Game Timer on LILYGO T-Encoder Pro

A 2–4 player tabletop game timer built on the LILYGO T-Encoder Pro, using the AMOLED display and rotary encoder to set player count and time intervals, with randomized start order and color-coded player turns.

[Details](https://openhardware.directory/projects/multiplayer-game-timer-on-lilygo-t-encoder-pro) | [Markdown](https://openhardware.directory/projects/multiplayer-game-timer-on-lilygo-t-encoder-pro/md)

## Infiltra RF Security Toolkit for T-Embed CC1101

An open-source multi-protocol security research firmware for the LILYGO T-Embed CC1101 with sub-GHz RF scanning, signal emulation, WiFi deauth, BLE spam, NFC cloning, and spectrum analysis — 159 stars on GitHub.

[Details](https://openhardware.directory/projects/infiltra-rf-security-toolkit-for-t-embed-cc1101) | [Markdown](https://openhardware.directory/projects/infiltra-rf-security-toolkit-for-t-embed-cc1101/md)

## BLE Bike Computer for T-RGB Round Display

A Bluetooth bike computer for the LILYGO T-RGB round display, showing live speed, cadence, and heart rate from BLE sensors, with Komoot navigation turn-by-turn hints and SD card data logging.

[Details](https://openhardware.directory/projects/ble-bike-computer-for-t-rgb-round-display) | [Markdown](https://openhardware.directory/projects/ble-bike-computer-for-t-rgb-round-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)

## XiaoZhi AI Voice Chatbot on LILYGO T-Circle S3

Run the viral XiaoZhi AI voice chatbot on the LILYGO T-Circle S3's tiny 0.75" round display — featuring offline wake-word detection, streaming voice interaction with Qwen/DeepSeek LLMs, and MCP protocol for smart home control.

[Details](https://openhardware.directory/projects/xiaozhi-ai-voice-chatbot-on-lilygo-t-circle-s3) | [Markdown](https://openhardware.directory/projects/xiaozhi-ai-voice-chatbot-on-lilygo-t-circle-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)

## T-Watch S3 Custom Software Platform — Bachelor's Thesis Project

A comprehensive custom firmware platform for the LILYGO T-Watch S3, developed as a university thesis and continued as a personal project — featuring graphics, audio, IR, WiFi, web configuration portal, sleep management, and JSON-based persistent storage.

[Details](https://openhardware.directory/projects/t-watch-s3-custom-software-platform-bachelor-s-thesis-project) | [Markdown](https://openhardware.directory/projects/t-watch-s3-custom-software-platform-bachelor-s-thesis-project/md)

## BloodMoon — WiFi Scanner and Deauth Tool on LILYGO T-QT Pro

A Marauder-inspired wireless security toolkit for the LILYGO T-QT Pro that scans nearby WiFi access points and stations, displays beacon frame details, and performs deauthentication attacks — all on a 0.85" display with two-button navigation.

[Details](https://openhardware.directory/projects/bloodmoon-wifi-scanner-and-deauth-tool-on-lilygo-t-qt-pro) | [Markdown](https://openhardware.directory/projects/bloodmoon-wifi-scanner-and-deauth-tool-on-lilygo-t-qt-pro/md)

## Retro Power Meter Display for T-Display S3

A retro-styled multimeter interface for the LILYGO T-Display S3 using an INA219 power sensor, displaying voltage, current, temperature, humidity, pressure, RTC time, and resistance on a classic LCD-style UI.

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

## LilyPhone1 — Phone App Firmware for LILYGO T-Deck Pro

A phone-inspired LVGL UI firmware for the LILYGO T-Deck Pro that turns the e-paper + LTE handheld into a functional phone interface with cellular modem support, GPS, touch, audio, and a web-based UI built with PlatformIO.

[Details](https://openhardware.directory/projects/lilyphone1-phone-app-firmware-for-lilygo-t-deck-pro) | [Markdown](https://openhardware.directory/projects/lilyphone1-phone-app-firmware-for-lilygo-t-deck-pro/md)

## MicroPythonOS — Android-Inspired MicroPython OS for T-Watch S3 Plus

A complete MicroPython operating system with Android-like gestures, App Store, and OTA updates, with official board support for the LILYGO T-Watch S3 Plus including display, touch, IMU, audio, and vibration configuration.

[Details](https://openhardware.directory/projects/micropythonos-android-inspired-micropython-os-for-t-watch-s3-plus) | [Markdown](https://openhardware.directory/projects/micropythonos-android-inspired-micropython-os-for-t-watch-s3-plus/md)

## Launcher — Multi-Firmware App Launcher for LILYGO T-Watch Ultra

A 1300-star multi-firmware application launcher for ESP32 devices with official T-Watch Ultra support — lets you install and switch between different firmware binaries over OTA, USB, SD card, or web, without needing a PC or USB cable.

[Details](https://openhardware.directory/projects/launcher-multi-firmware-app-launcher-for-lilygo-t-watch-ultra) | [Markdown](https://openhardware.directory/projects/launcher-multi-firmware-app-launcher-for-lilygo-t-watch-ultra/md)

## DeskPet Watch — Virtual Pet and BT Scroll Controller on T-Encoder Pro

An enhanced T-Encoder Pro firmware featuring a virtual desktop pet with moods, a Bluetooth HID scroll controller with haptic momentum feedback, weather display, and dual encoder/touch brightness control — all on the AMOLED watch face.

[Details](https://openhardware.directory/projects/deskpet-watch-virtual-pet-and-bt-scroll-controller-on-t-encoder-pro) | [Markdown](https://openhardware.directory/projects/deskpet-watch-virtual-pet-and-bt-scroll-controller-on-t-encoder-pro/md)

## Meshtastic Wearable Node on LILYGO T-Watch S3 Plus

Flash the official Meshtastic firmware onto the LILYGO T-Watch S3 Plus to turn it into a wrist-worn LoRa mesh node with GPS tracking, 2-way messaging, haptic feedback, and BMA423 step counting — using the built-in SX1262 radio.

[Details](https://openhardware.directory/projects/meshtastic-wearable-node-on-lilygo-t-watch-s3-plus) | [Markdown](https://openhardware.directory/projects/meshtastic-wearable-node-on-lilygo-t-watch-s3-plus/md)

## FRFD — First Responder Forensics Dongle on LILYGO T-Dongle S3

A portable CSIRT forensics tool on the LILYGO T-Dongle S3 that automates evidence collection from Windows, Linux, and macOS via USB HID keyboard emulation — with triage, containment, and collection modes shown on the 0.96" display.

[Details](https://openhardware.directory/projects/frfd-first-responder-forensics-dongle-on-lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/projects/frfd-first-responder-forensics-dongle-on-lilygo-t-dongle-s3/md)

## Bruce Firmware — Multi-Tool Security Platform

A feature-packed ESP32 security multi-tool firmware with sub-GHz RF capture/replay, IR, NFC, WiFi attacks, BLE, and BadUSB — often called the open-source Flipper Zero alternative with 5,000+ GitHub stars.

[Details](https://openhardware.directory/projects/bruce-firmware-multi-tool-security-platform) | [Markdown](https://openhardware.directory/projects/bruce-firmware-multi-tool-security-platform/md)

## USB Army Knife — Portable Penetration Testing Dongle

Turns the LILYGO T-Dongle S3 into a Swiss Army knife for close-access penetration testing with BadUSB, WiFi attacks, BLE scanning, HID injection, and network implant capabilities.

[Details](https://openhardware.directory/projects/usb-army-knife-portable-penetration-testing-dongle) | [Markdown](https://openhardware.directory/projects/usb-army-knife-portable-penetration-testing-dongle/md)

## CapibaraZero — Open-Source Flipper Zero Alternative

A ground-up open-source Flipper Zero alternative firmware for ESP32-S3 hardware, covering WiFi, BLE, BadUSB, NFC, sub-GHz (CC1101), and IR with clean architecture and web flasher.

[Details](https://openhardware.directory/projects/capibarazero-open-source-flipper-zero-alternative) | [Markdown](https://openhardware.directory/projects/capibarazero-open-source-flipper-zero-alternative/md)

## MeshCore — Lightweight LoRa Mesh Protocol

A rapidly growing open-source LoRa mesh networking protocol with hybrid routing, room servers, and encrypted messaging — a lightweight alternative to Meshtastic with 2,200+ GitHub stars.

[Details](https://openhardware.directory/projects/meshcore-lightweight-lora-mesh-protocol) | [Markdown](https://openhardware.directory/projects/meshcore-lightweight-lora-mesh-protocol/md)

## RNode Firmware — Reticulum Encrypted Mesh Radio Interface

Open firmware that transforms LoRa boards into flexible encrypted radio interfaces for the Reticulum Network Stack — enabling unstoppable mesh networking over LoRa, WiFi, and packet radio.

[Details](https://openhardware.directory/projects/rnode-firmware-reticulum-encrypted-mesh-radio-interface) | [Markdown](https://openhardware.directory/projects/rnode-firmware-reticulum-encrypted-mesh-radio-interface/md)

## ATS-Mini — All-Band Radio Receiver Firmware for T-Embed SI4732

Community firmware for the LILYGO T-Embed SI4732 transforming it into a capable AM/FM/SW/SSB receiver with spectrum waterfall display, band scanning, memory presets, and modern touchscreen UI.

[Details](https://openhardware.directory/projects/ats-mini-all-band-radio-receiver-firmware-for-t-embed-si4732) | [Markdown](https://openhardware.directory/projects/ats-mini-all-band-radio-receiver-firmware-for-t-embed-si4732/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)

## CO2 Gadget — Advanced Air Quality Monitor with Companion App

An advanced CO2 monitoring firmware for ESP32 display boards with BLE/WiFi/MQTT/ESP-Now connectivity, real-time Android/iOS companion app for charting, and support for SCD4x, SCD30, and MH-Z19 sensors.

[Details](https://openhardware.directory/projects/co2-gadget-advanced-air-quality-monitor-with-companion-app) | [Markdown](https://openhardware.directory/projects/co2-gadget-advanced-air-quality-monitor-with-companion-app/md)

## CYD-Klipper — Wireless 3D Printer Status Display

A wireless 3D printer monitoring display for Klipper, Bambu Lab, and OctoPrint — showing real-time print progress, temperatures, webcam feed, and controls on ESP32 touchscreen boards.

[Details](https://openhardware.directory/projects/cyd-klipper-wireless-3d-printer-status-display) | [Markdown](https://openhardware.directory/projects/cyd-klipper-wireless-3d-printer-status-display/md)

## ESP32-CAM Video Recorder — Motion-Triggered SD Card NVR

Full-featured motion-triggered video recording firmware for the T-Camera S3 with AVI recording to SD card, MJPEG streaming, FTP upload, Telegram alerts, and ML-based object classification.

[Details](https://openhardware.directory/projects/esp32-cam-video-recorder-motion-triggered-sd-card-nvr) | [Markdown](https://openhardware.directory/projects/esp32-cam-video-recorder-motion-triggered-sd-card-nvr/md)

## Acid Drop — Hacking and IRC Communications Firmware for T-Deck

Custom hacking and communications firmware for the LILYGO T-Deck combining an IRC client with color support, Meshtastic integration, WiFi tools, and Gotify push notifications in one package.

[Details](https://openhardware.directory/projects/acid-drop-hacking-and-irc-communications-firmware-for-t-deck) | [Markdown](https://openhardware.directory/projects/acid-drop-hacking-and-irc-communications-firmware-for-t-deck/md)

## uLisp T-Deck — Handheld Lisp Computer

Transforms the LILYGO T-Deck into a self-contained handheld Lisp computer with 1 million-object workspace, SD card persistence, graphics, WiFi, and speaker — write and run programs with no PC needed.

[Details](https://openhardware.directory/projects/ulisp-t-deck-handheld-lisp-computer) | [Markdown](https://openhardware.directory/projects/ulisp-t-deck-handheld-lisp-computer/md)

## Beryllium OS — Unix-Like Operating System for T-Deck

A unix-like operating system for CircuitPython microcontrollers with a real shell, package manager, background tasks, and GPIO/I2C/UART tools — turning the T-Deck into a tiny Linux-like computer.

[Details](https://openhardware.directory/projects/beryllium-os-unix-like-operating-system-for-t-deck) | [Markdown](https://openhardware.directory/projects/beryllium-os-unix-like-operating-system-for-t-deck/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)

## Prusa Connect ESP32-CAM — 3D Print Monitoring Camera

Official Prusa firmware for ESP32 camera boards that streams live video to Prusa Connect cloud for remote 3D print monitoring — backed by Prusa Research with support for multiple ESP32-S3 boards.

[Details](https://openhardware.directory/projects/prusa-connect-esp32-cam-3d-print-monitoring-camera) | [Markdown](https://openhardware.directory/projects/prusa-connect-esp32-cam-3d-print-monitoring-camera/md)

## ESP32-CAM FPV — Low-Latency Digital Video for Drones and RC

Digital first-person-view (FPV) video streaming firmware for ESP32 cameras optimized for minimum latency — turns the T-Camera S3 into a lightweight digital FPV transmitter for drones and RC vehicles.

[Details](https://openhardware.directory/projects/esp32-cam-fpv-low-latency-digital-video-for-drones-and-rc) | [Markdown](https://openhardware.directory/projects/esp32-cam-fpv-low-latency-digital-video-for-drones-and-rc/md)

## Haven MANET — WiFi HaLow Mesh Radio for Long-Range Networking

An open-source MANET mesh radio toolkit using WiFi HaLow (802.11ah) for multi-kilometer range ad-hoc networking — the first open mesh networking project built specifically for sub-GHz WiFi radios.

[Details](https://openhardware.directory/projects/haven-manet-wifi-halow-mesh-radio-for-long-range-networking) | [Markdown](https://openhardware.directory/projects/haven-manet-wifi-halow-mesh-radio-for-long-range-networking/md)

## T-Dongle Ducky — WiFi-Controlled USB Rubber Ducky

Turns the LILYGO T-Dongle S3 into a WiFi-controlled USB Rubber Ducky for keystroke injection — execute DuckyScript payloads remotely via a web interface while the dongle sits plugged into the target.

[Details](https://openhardware.directory/projects/t-dongle-ducky-wifi-controlled-usb-rubber-ducky) | [Markdown](https://openhardware.directory/projects/t-dongle-ducky-wifi-controlled-usb-rubber-ducky/md)

## TamaFi — WiFi-Powered Virtual Pet

A Tamagotchi-inspired WiFi virtual pet for tiny ESP32 display boards — your pet's health depends on nearby WiFi networks, blending nostalgic virtual pet gameplay with wireless technology exploration.

[Details](https://openhardware.directory/projects/tamafi-wifi-powered-virtual-pet) | [Markdown](https://openhardware.directory/projects/tamafi-wifi-powered-virtual-pet/md)

## esp32_loraprs — Multi-Mode LoRa Modem with APRS and Digital Voice

A Swiss-army-knife LoRa firmware combining KISS Bluetooth modem, APRS iGate, digipeater, and Codec2 digital voice transceiver — maximum amateur radio versatility in a single device.

[Details](https://openhardware.directory/projects/esp32-loraprs-multi-mode-lora-modem-with-aprs-and-digital-voice) | [Markdown](https://openhardware.directory/projects/esp32-loraprs-multi-mode-lora-modem-with-aprs-and-digital-voice/md)

## Launcher — Multi-Firmware Bootloader for ESP32 Devices

A firmware launcher that stores multiple firmware images on SD card and lets you switch between them on boot — run Bruce, Marauder, and other firmwares on the same device without reflashing.

[Details](https://openhardware.directory/projects/launcher-multi-firmware-bootloader-for-esp32-devices) | [Markdown](https://openhardware.directory/projects/launcher-multi-firmware-bootloader-for-esp32-devices/md)

## TRGB Bike Computer — Cycling Dashboard for Round Display

A bike computer for the LILYGO T-RGB round display integrating BLE speed/cadence/heart rate sensors, Forumslader V5 dynamo hub charging, and Komoot turn-by-turn navigation on a circular gauge.

[Details](https://openhardware.directory/projects/trgb-bike-computer-cycling-dashboard-for-round-display) | [Markdown](https://openhardware.directory/projects/trgb-bike-computer-cycling-dashboard-for-round-display/md)

## ESP32 Arduino Matter — Build Matter Smart Home Devices

The most popular community Matter library for Arduino — build Matter-compatible smart home lights, switches, and sensors on ESP32-C6/S3 that work natively with Apple Home, Google Home, and Alexa.

[Details](https://openhardware.directory/projects/esp32-arduino-matter-build-matter-smart-home-devices) | [Markdown](https://openhardware.directory/projects/esp32-arduino-matter-build-matter-smart-home-devices/md)

## RatDeck — Reticulum Mesh Messenger on T-Deck Plus

A standalone Reticulum mesh node with encrypted LXMF messaging for the T-Deck Plus — end-to-end encrypted off-grid communication with touchscreen UI, web flasher, and no companion phone needed.

[Details](https://openhardware.directory/projects/ratdeck-reticulum-mesh-messenger-on-t-deck-plus) | [Markdown](https://openhardware.directory/projects/ratdeck-reticulum-mesh-messenger-on-t-deck-plus/md)

## OpenRTX — Open-Source Firmware for SA868 Two-Way Radios

Open-source firmware replacing the proprietary SA868 radio module code on the T-TWR, enabling the M17 digital voice protocol — a modern, royalty-free digital voice standard for amateur radio.

[Details](https://openhardware.directory/projects/openrtx-open-source-firmware-for-sa868-two-way-radios) | [Markdown](https://openhardware.directory/projects/openrtx-open-source-firmware-for-sa868-two-way-radios/md)

## WLED on Ethernet — PoE-Powered LED Controller

Run WLED on the T-Internet-POE or T-ETH-Lite for rock-solid wired Ethernet LED strip control with PoE power — eliminating WiFi drops and separate power supplies for permanent LED installations.

[Details](https://openhardware.directory/projects/wled-on-ethernet-poe-powered-led-controller) | [Markdown](https://openhardware.directory/projects/wled-on-ethernet-poe-powered-led-controller/md)

## ESP32 Marauder for T-Deck — Portable WiFi/BLE Security Suite

Port of the iconic ESP32 Marauder (10,000+ stars) WiFi and Bluetooth security toolkit to the T-Deck handheld — bringing packet sniffing, deauth detection, beacon spam, and PCAP capture to a keyboard device.

[Details](https://openhardware.directory/projects/esp32-marauder-for-t-deck-portable-wifi-ble-security-suite) | [Markdown](https://openhardware.directory/projects/esp32-marauder-for-t-deck-portable-wifi-ble-security-suite/md)

## TinkerNav RTK Rover and Base Station Firmware

Official open-source firmware for TinkerNav RTK GNSS boards, enabling both RTK rover and base station modes with WiFi, LoRa, and NTRIP correction data support via ESP32-S3 and SkyTraq PX1125R.

[Details](https://openhardware.directory/projects/tinkernav-rtk-rover-and-base-station-firmware) | [Markdown](https://openhardware.directory/projects/tinkernav-rtk-rover-and-base-station-firmware/md)

## TinkerRTK WiFi Base Station and Rover Setup

Step-by-step tutorial for building an RTK positioning system using two TinkerNav boards communicating over WiFi, achieving centimeter-level GPS accuracy with a local base station and rover.

[Details](https://openhardware.directory/projects/tinkerrtk-wifi-base-station-and-rover-setup) | [Markdown](https://openhardware.directory/projects/tinkerrtk-wifi-base-station-and-rover-setup/md)

## HeishaMon Firmware

Open-source MQTT gateway firmware for Panasonic Aquarea heat pumps, enabling local monitoring and control via ESP8266 or ESP32-S3 with MQTT, HTTP JSON API, built-in rules engine, and 1-wire sensor support.

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

## TinkerRTK LoRa Base Station and Rover

Tutorial for setting up a long-range RTK positioning system using TinkerNav boards with TinkerSend LoRa radios, enabling RTCM correction data transmission over distances up to 6 km.

[Details](https://openhardware.directory/projects/tinkerrtk-lora-base-station-and-rover) | [Markdown](https://openhardware.directory/projects/tinkerrtk-lora-base-station-and-rover/md)

## TinkerRTK ESPNow RTK Communication

Open-source Arduino project using ESP-NOW protocol for peer-to-peer RTK correction data exchange between TinkerNav boards, enabling infrastructure-free centimeter-level GPS positioning.

[Details](https://openhardware.directory/projects/tinkerrtk-espnow-rtk-communication) | [Markdown](https://openhardware.directory/projects/tinkerrtk-espnow-rtk-communication/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)

## TinkerRTK WiFi NTRIP Client

Arduino sketches for connecting a TinkerNav board to an NTRIP caster over WiFi, enabling single-board RTK rover operation using publicly available or subscription-based correction data streams.

[Details](https://openhardware.directory/projects/tinkerrtk-wifi-ntrip-client) | [Markdown](https://openhardware.directory/projects/tinkerrtk-wifi-ntrip-client/md)

## TinkerRTK Cellular NTRIP with SIM7000

Arduino sketches for using TinkerNav with the TinkerSend Mobile SIM7000 4G module to download RTK corrections from an NTRIP caster over cellular, enabling rover operation in remote areas without WiFi.

[Details](https://openhardware.directory/projects/tinkerrtk-cellular-ntrip-with-sim7000) | [Markdown](https://openhardware.directory/projects/tinkerrtk-cellular-ntrip-with-sim7000/md)

## Build a Meshtastic IoT Sensor Grid with ThinkNode M1 & M2

Step-by-step tutorial for building a decentralized IoT sensor network using ThinkNode M1 and M2 LoRa transceivers. Reads temperature, humidity, and pressure from a BME680 sensor and transmits data wirelessly via Meshtastic mesh protocol.

[Details](https://openhardware.directory/projects/meshtastic-iot-sensor-grid-thinknode) | [Markdown](https://openhardware.directory/projects/meshtastic-iot-sensor-grid-thinknode/md)

## HeishaMoNR – Node-RED Heat Pump Control

Node-RED flow for local control of Panasonic Aquarea heat pumps via HeishaMon, featuring visual dashboards with charts, weather-compensated heating curves, and advanced automation logic.

[Details](https://openhardware.directory/projects/heishamonr-node-red-heat-pump-control) | [Markdown](https://openhardware.directory/projects/heishamonr-node-red-heat-pump-control/md)

## TinkerRTK on Hackaday.io

Hackaday.io project page for TinkerRTK, documenting the open-source modular RTK GPS system with SkyTraq PX1105R receiver and ESP32-S3, featuring build logs, schematics, and community discussion.

[Details](https://openhardware.directory/projects/tinkerrtk-on-hackaday-io) | [Markdown](https://openhardware.directory/projects/tinkerrtk-on-hackaday-io/md)

## Getting Started with Meshtastic: ThinkNode M1/M2 Setup Guide

Comprehensive getting-started guide for Meshtastic mesh networking using the ThinkNode M1 and M2. Covers unboxing, hardware teardown, Bluetooth pairing, frequency configuration, firmware updates, GPS setup, and real-world range testing.

[Details](https://openhardware.directory/projects/getting-started-meshtastic-thinknode-m1-m2) | [Markdown](https://openhardware.directory/projects/getting-started-meshtastic-thinknode-m1-m2/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)

## Elecrow Meshtastic Ecosystem: ThinkNode M1, M2, and CrowPanel

Comprehensive overview of Elecrow's Meshtastic device lineup including the ThinkNode M1, M2, and CrowPanel Advance 3.5-inch. Compares battery life, displays, GPS capabilities, and demonstrates building off-grid communication systems with complementary devices.

[Details](https://openhardware.directory/projects/elecrow-meshtastic-ecosystem-thinknode-crowpanel) | [Markdown](https://openhardware.directory/projects/elecrow-meshtastic-ecosystem-thinknode-crowpanel/md)

## HeishaMon OpenTherm Thermostat Control

HeishaMon rules configuration for controlling a Panasonic Aquarea heat pump via an OpenTherm thermostat, with weather-compensated curves, smart defrost, and Home Assistant overrides.

[Details](https://openhardware.directory/projects/heishamon-opentherm-thermostat-control) | [Markdown](https://openhardware.directory/projects/heishamon-opentherm-thermostat-control/md)

## Dynamic Electricity Price Heat Pump Control

Optimizes Panasonic Aquarea heat pump operation based on dynamic electricity prices (Tibber) or solar PV surplus, reducing energy costs by shifting heating to cheaper rate periods.

[Details](https://openhardware.directory/projects/dynamic-electricity-price-heat-pump-control) | [Markdown](https://openhardware.directory/projects/dynamic-electricity-price-heat-pump-control/md)

## Louder ESP32 AirPlay 2 Receiver

AirPlay 2 audio receiver firmware for the Louder ESP32-S3, enabling wireless streaming from Apple devices with full TAS5805M amplifier control and hardware volume.

[Details](https://openhardware.directory/projects/louder-esp32-airplay2-receiver) | [Markdown](https://openhardware.directory/projects/louder-esp32-airplay2-receiver/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)

## Squeezelite-ESP32 Multi-Room Audio

Full-featured audio streaming firmware for ESP32 boards supporting Spotify Connect, AirPlay, Bluetooth, and Logitech Media Server with synchronized multi-room playback.

[Details](https://openhardware.directory/projects/squeezelite-esp32-multi-room-audio) | [Markdown](https://openhardware.directory/projects/squeezelite-esp32-multi-room-audio/md)

## Esparagus Snapclient Multi-Room Audio

Snapcast client firmware for ESP32 audio boards enabling perfectly synchronized multi-room audio playback with automatic server discovery and browser-based flashing.

[Details](https://openhardware.directory/projects/esparagus-snapclient-multi-room) | [Markdown](https://openhardware.directory/projects/esparagus-snapclient-multi-room/md)

## Bee Data Logger Deep Sleep SD Card Data Logging

Low-power environmental data logging example using the Bee Data Logger's deep sleep mode (~21uA) with RTC timestamps and SD card storage. Logs sensor readings at configurable intervals for months on a single LiPo battery.

[Details](https://openhardware.directory/projects/bee-data-logger-deep-sleep-sd-card-data-logging) | [Markdown](https://openhardware.directory/projects/bee-data-logger-deep-sleep-sd-card-data-logging/md)

## Bee Data Logger MQTT with SD Card Backup

Send sensor readings to an MQTT broker over WiFi with automatic SD card backup when the network is unavailable. Combines real-time IoT connectivity with reliable local storage for remote deployments.

[Details](https://openhardware.directory/projects/bee-data-logger-mqtt-with-sd-card-backup) | [Markdown](https://openhardware.directory/projects/bee-data-logger-mqtt-with-sd-card-backup/md)

## ESP Audio Boards v2 and Louder ESP32 on Hackaday

Hackaday.io project documenting the Louder ESP32 and ESP32 Audio Boards v2 series by Sonocotta, with hardware design logs, firmware guides, and community discussion.

[Details](https://openhardware.directory/projects/esp-audio-boards-v2-louder-esp32-hackaday) | [Markdown](https://openhardware.directory/projects/esp-audio-boards-v2-louder-esp32-hackaday/md)

## Bee Data Logger NTP-Synced RTC Time Server

Synchronize the Bee Data Logger's DS3231 RTC with an NTP time server over WiFi, then use the precise RTC timestamps for offline data logging. Ensures accurate timestamps even without internet access.

[Details](https://openhardware.directory/projects/bee-data-logger-ntp-synced-rtc-time-server) | [Markdown](https://openhardware.directory/projects/bee-data-logger-ntp-synced-rtc-time-server/md)

## Remote Attic Temperature Monitor with Bee Data Logger

Monitor remote attic or crawlspace temperatures over extended periods using the Bee Data Logger's ultra-low-power deep sleep mode. Logs temperature data to SD card for seasonal analysis and HVAC optimization.

[Details](https://openhardware.directory/projects/remote-attic-temperature-monitor-with-bee-data-logger) | [Markdown](https://openhardware.directory/projects/remote-attic-temperature-monitor-with-bee-data-logger/md)

## Armachat Meshtastic Protocol Integration

Guide to integrating Meshtastic mesh networking protocol with the Armachat communicator, enabling multi-hop message relay, store-and-forward routing, and interoperability with the broader Meshtastic network.

[Details](https://openhardware.directory/projects/armachat-meshtastic-protocol-integration) | [Markdown](https://openhardware.directory/projects/armachat-meshtastic-protocol-integration/md)

## Rain Gauge Data Logger with Bee Data Logger

Build a battery-powered rain gauge that logs rainfall measurements with RTC timestamps to an SD card. Uses the Bee Data Logger's ADC inputs to read a tipping bucket rain gauge sensor for long-term weather tracking.

[Details](https://openhardware.directory/projects/rain-gauge-data-logger-with-bee-data-logger) | [Markdown](https://openhardware.directory/projects/rain-gauge-data-logger-with-bee-data-logger/md)

## Beehive Health Monitor with Bee Data Logger

Monitor beehive temperature, humidity, and weight using the Bee Data Logger's Qwiic sensor ports and deep sleep mode. Track hive conditions to predict swarming, assess colony health, and optimize honey production.

[Details](https://openhardware.directory/projects/beehive-health-monitor-with-bee-data-logger) | [Markdown](https://openhardware.directory/projects/beehive-health-monitor-with-bee-data-logger/md)

## TrackSenger DIY Meshtastic Communicator

DIY compact Meshtastic communicator build using the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a push-button keyboard for off-grid mesh messaging and GPS tracking.

[Details](https://openhardware.directory/projects/tracksenger-diy-meshtastic-communicator) | [Markdown](https://openhardware.directory/projects/tracksenger-diy-meshtastic-communicator/md)

## Battery Performance Tracker with Bee Data Logger

Use the Bee Data Logger's built-in battery voltage monitoring and ADC channels to track LiPo battery discharge curves over time. Log voltage readings to SD card for analyzing battery health and capacity degradation.

[Details](https://openhardware.directory/projects/battery-performance-tracker-with-bee-data-logger) | [Markdown](https://openhardware.directory/projects/battery-performance-tracker-with-bee-data-logger/md)

## MechSenger Mechanical Keyboard Meshtastic Build

Single-board Meshtastic communicator with a mechanical keyboard and 2.42\" OLED display, designed for rugged off-grid mesh messaging using the Heltec Tracker with ESP32-S3 and SX1262 LoRa.

[Details](https://openhardware.directory/projects/mechsenger-mechanical-keyboard-meshtastic) | [Markdown](https://openhardware.directory/projects/mechsenger-mechanical-keyboard-meshtastic/md)

## Bee Data Logger Getting Started with CircuitPython

Complete beginner guide to setting up the Bee Data Logger with CircuitPython. Covers flashing firmware, using the RGB LED, reading the RTC, listing SD card files, monitoring battery voltage, and detecting USB power.

[Details](https://openhardware.directory/projects/bee-data-logger-getting-started-with-circuitpython) | [Markdown](https://openhardware.directory/projects/bee-data-logger-getting-started-with-circuitpython/md)

## Armachat LoRa Doomsday Communicator

Open-source off-grid LoRa QWERTY communicator for long-range text messaging without infrastructure. Features automatic message resending, contact management, and 4+ km range. Winner of Hackaday Prize 2020.

[Details](https://openhardware.directory/projects/armachat-lora-doomsday-communicator) | [Markdown](https://openhardware.directory/projects/armachat-lora-doomsday-communicator/md)

## Bee Data Logger PlatformIO and Arduino Setup Guide

Set up the Bee Data Logger with PlatformIO and the Arduino framework. Install the BeeDataLogger Arduino Helper library and explore examples for battery monitoring, RGB LED control, RTC, ADC reading, and SD card logging.

[Details](https://openhardware.directory/projects/bee-data-logger-platformio-and-arduino-setup-guide) | [Markdown](https://openhardware.directory/projects/bee-data-logger-platformio-and-arduino-setup-guide/md)

## Armachat CircuitPython LoRa Messenger

CircuitPython-based LoRa messenger firmware for Armachat devices, running on both ESP32-S3 and Raspberry Pi Pico with a 2.8\" IPS display, RFM95 radio, and fully open-source transparent code.

[Details](https://openhardware.directory/projects/armachat-circuitpython-lora-messenger) | [Markdown](https://openhardware.directory/projects/armachat-circuitpython-lora-messenger/md)

## Build an Armachat LoRa Communicator (Make: Magazine)

Step-by-step Make: Magazine tutorial for building the Armachat LoRa communicator — a battery-powered text walkie-talkie with QWERTY keyboard, RFM95 radio, and 4+ km range using only ~25 components.

[Details](https://openhardware.directory/projects/armachat-lora-communicator-make-magazine) | [Markdown](https://openhardware.directory/projects/armachat-lora-communicator-make-magazine/md)

## Tasmota ESP32 BLE Sensor Gateway

Use an ESP32 with Tasmota as a Bluetooth Low Energy gateway to bridge Xiaomi Mijia, MiFlora, and other BLE sensors to WiFi/MQTT. Passive scanning with no pairing required for most sensors.

[Details](https://openhardware.directory/projects/tasmota-esp32-ble-sensor-gateway) | [Markdown](https://openhardware.directory/projects/tasmota-esp32-ble-sensor-gateway/md)

## Tasmota Matter Smart Home Device

Turn an ESP32-C3/S2/S3 board into a Matter-compatible smart home device with Tasmota. Works natively with Apple Home, Amazon Alexa, Google Home, and Home Assistant without any cloud or bridge.

[Details](https://openhardware.directory/projects/tasmota-matter-smart-home-device) | [Markdown](https://openhardware.directory/projects/tasmota-matter-smart-home-device/md)

## Zephyr RTOS — Scalable Real-Time Operating System for IoT

Open-source RTOS under the Linux Foundation supporting 500+ boards across ARM, RISC-V, x86, and Xtensa architectures. Features multi-threading, BLE 5.0 mesh, native networking stack, and power management for resource-constrained IoT devices.

[Details](https://openhardware.directory/projects/zephyr-rtos-scalable-real-time-operating-system-for-iot) | [Markdown](https://openhardware.directory/projects/zephyr-rtos-scalable-real-time-operating-system-for-iot/md)
