# 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.

**39 project listed.**

## T-Beam SoftRF + ADS-B Aviation Tracker

A custom aviation safety device combining a LILYGO T-Beam running SoftRF with an ADS-B receiver and AMOLED display for real-time collision awareness for gliders and small aircraft.

[Details](https://openhardware.directory/projects/t-beam-softrf-ads-b-aviation-tracker) | [Markdown](https://openhardware.directory/projects/t-beam-softrf-ads-b-aviation-tracker/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-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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## T-Knob SmartKnob Fork — Haptic Encoder with Software Detents

A community fork of the LILYGO T-Knob that explores using its ESP32-C6, TMC6300 motor driver, and MT6701 magnetic encoder to build a SmartKnob-style haptic rotary controller with software-defined detents and position limits.

[Details](https://openhardware.directory/projects/t-knob-smartknob-fork-haptic-encoder-with-software-detents) | [Markdown](https://openhardware.directory/projects/t-knob-smartknob-fork-haptic-encoder-with-software-detents/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)

## 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)

## 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)

## VoltLink Open Source KiCad Hardware Design

Complete open-source KiCad PCB design files for the VoltLink CP2102N USB-to-serial adapter and ESP32 programmer, including schematics, board layout, BOM, and Gerber files for DIY manufacturing.

[Details](https://openhardware.directory/projects/voltlink-open-source-kicad-hardware-design) | [Markdown](https://openhardware.directory/projects/voltlink-open-source-kicad-hardware-design/md)

## VoltLink Shelly Adapter Production Test Jig

Automated test jig that chains six Shelly adapters in series with an ESP32 to verify VoltLink board quality before shipping, catching soldering defects on USB-C, QFN, and JST-SH connectors.

[Details](https://openhardware.directory/projects/voltlink-shelly-adapter-production-test-jig) | [Markdown](https://openhardware.directory/projects/voltlink-shelly-adapter-production-test-jig/md)

## UMotion: Multi-Anchor UWB Ranging with DW3000

Advanced UWB ranging firmware for Makerfabs ESP32 DW3000 supporting single/double-sided TWR, multi-anchor configurations, and distance matrix measurements for motion estimation research.

[Details](https://openhardware.directory/projects/umotion-multi-anchor-uwb-ranging-with-dw3000) | [Markdown](https://openhardware.directory/projects/umotion-multi-anchor-uwb-ranging-with-dw3000/md)

## ChameleonUltra Firmware — Open-Source nRF52840 NFC/RFID Firmware

GPL-3.0 licensed firmware for the ChameleonUltra built on the Nordic nRF52840 SDK. Handles dual-frequency card emulation, MIFARE cracking, BLE communication, and USB-C connectivity with a read-only bootloader preventing bricking.

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

## LEDswarm: UWB-Coordinated LED Mesh Network

Rust firmware for Makerfabs ESP32 DW3000 that creates a UWB mesh network of LED controllers with automatic discovery, decimeter-level ranging, and coordinated lighting effects.

[Details](https://openhardware.directory/projects/ledswarm-uwb-coordinated-led-mesh-network) | [Markdown](https://openhardware.directory/projects/ledswarm-uwb-coordinated-led-mesh-network/md)

## Chamele-o-nization — ChameleonUltra Security Research Guide

In-depth security research guide by Oscar Alfonso Diaz comparing the ChameleonUltra with the ChameleonMini RevE. Covers MIFARE Classic cracking techniques, dual-frequency capabilities, and practical usage for access control security testing.

[Details](https://openhardware.directory/projects/chamele-o-nization-security-guide) | [Markdown](https://openhardware.directory/projects/chamele-o-nization-security-guide/md)

## GoHeishaMon

Golang port of HeishaMon firmware that runs directly on the Panasonic CZ-TAW1 WiFi adapter, enabling MQTT heat pump control without additional hardware by repurposing the factory WiFi module.

[Details](https://openhardware.directory/projects/goheishamon) | [Markdown](https://openhardware.directory/projects/goheishamon/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)

## Zelkova Tree Monitoring with Chirp Sensors

Open-source environmental monitoring project deploying 40 Chirp I2C soil moisture sensors in Crete for long-term tree health monitoring. Demonstrates large-scale capacitive soil sensing for forestry research.

[Details](https://openhardware.directory/projects/zelkova-tree-monitoring-with-chirp-sensors) | [Markdown](https://openhardware.directory/projects/zelkova-tree-monitoring-with-chirp-sensors/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)

## ADXI — ADX Improved USB-C Digital Modes Transceiver

Modernized fork of the ADX transceiver by VK2DIY featuring single USB-C interface, KiCad design files, integrated SWR/power metering, SMT components, PlatformIO firmware, and expanded band support from 2200m to 70cm.

[Details](https://openhardware.directory/projects/adxi-adx-improved-usb-c-digital-modes-transceiver) | [Markdown](https://openhardware.directory/projects/adxi-adx-improved-usb-c-digital-modes-transceiver/md)

## Indian Ocean Sea Turtle Tracker (IoT)

Marine turtle tracking device based on CMWX1ZZABZ and MAX M8Q GNSS, with dual barometers for underwater depth measurement, designed for year-long deployment on sea turtles.

[Details](https://openhardware.directory/projects/indian-ocean-sea-turtle-tracker-iot) | [Markdown](https://openhardware.directory/projects/indian-ocean-sea-turtle-tracker-iot/md)

## HeishaMon Cascade Control

Modified HeishaMon firmware optimized for cascade operation of multiple Panasonic Aquarea heat pumps, coordinating load balancing and staging across units for maximum efficiency.

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

## DX-FT8 — Standalone FT8 Multiband Tablet Transceiver by WB2CBA

Standalone FT8 QRP transceiver with built-in touchscreen GUI on STM32F746, eliminating the need for a PC. Operates on 5-7 HF bands from USB power bank at QRPp levels or up to 5W with external 12V supply.

[Details](https://openhardware.directory/projects/dx-ft8-standalone-ft8-multiband-tablet-transceiver-by-wb2cba) | [Markdown](https://openhardware.directory/projects/dx-ft8-standalone-ft8-multiband-tablet-transceiver-by-wb2cba/md)

## Armassi: IRC-Style Armachat Client

An Irssi-inspired terminal IRC client clone for the Armachat LoRa communicator, bringing a familiar text-based chat interface to off-grid mesh messaging over LoRa radio.

[Details](https://openhardware.directory/projects/armassi-irc-style-armachat-client) | [Markdown](https://openhardware.directory/projects/armassi-irc-style-armachat-client/md)

## LoRaWAN Birdhouse with Grasshopper

Solar-powered LoRaWAN birdhouse using the Grasshopper board to monitor bird activity via a load cell, transmitting weight, temperature, and battery voltage to TTN and Datacake.

[Details](https://openhardware.directory/projects/lorawan-birdhouse-with-grasshopper) | [Markdown](https://openhardware.directory/projects/lorawan-birdhouse-with-grasshopper/md)

## Armachat LoRa Doomsday Communicator Build

Build guide for the original Armachat pocket LoRa communicator by Bobricius, featuring a QWERTY keyboard, TFT display, RFM95 radio module, and 18650 battery for off-grid messaging up to 4km range.

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

## Hackable CMWX1ZZABZ LoRa Devices — Grasshopper Open Hardware Project

Open hardware project documenting the Grasshopper, LoRaSensorTile, and Cricket boards built on the CMWX1ZZABZ module, with schematics, BOM, and design files on Hackaday.io.

[Details](https://openhardware.directory/projects/hackable-cmwx1zzabz-lora-devices-grasshopper-open-hardware-project) | [Markdown](https://openhardware.directory/projects/hackable-cmwx1zzabz-lora-devices-grasshopper-open-hardware-project/md)

## Bee Minder — LoRaWAN Environmental Monitor on Grasshopper

Ultra-compact 18x18mm environmental monitor by Kris Winer for beehives, greenhouses, and birdhouses with BME280, BMA400, and VEML6075 sensors, transmitting via LoRaWAN.

[Details](https://openhardware.directory/projects/bee-minder-lorawan-environmental-monitor-on-grasshopper) | [Markdown](https://openhardware.directory/projects/bee-minder-lorawan-environmental-monitor-on-grasshopper/md)

## Tasmota Smart Meter Interface (SML/Modbus Energy Reader)

Read electricity, gas, and water meters with Tasmota using IR optical heads, RS485 Modbus, or SML protocol. Supports 50+ meter types including Landis+Gyr, ABB, EasyMeter, and Kamstrup for utility monitoring.

[Details](https://openhardware.directory/projects/tasmota-smart-meter-interface-sml-modbus-energy-reader) | [Markdown](https://openhardware.directory/projects/tasmota-smart-meter-interface-sml-modbus-energy-reader/md)

## ZSWatch — Open-Source Smartwatch with Zephyr Firmware

Fully open-source smartwatch with custom nRF5340 hardware and Zephyr RTOS firmware. Features 1.28-inch round touchscreen, BMI270 IMU, heart rate, magnetometer, microphone, and BLE companion apps for iOS and Android.

[Details](https://openhardware.directory/projects/zswatch-open-source-smartwatch-with-zephyr-firmware) | [Markdown](https://openhardware.directory/projects/zswatch-open-source-smartwatch-with-zephyr-firmware/md)

## Espressif ESP-Matter SDK

Espressif's official Matter SDK for ESP32 series SoCs — provides simplified APIs, production references, and tools to build certified Matter 1.0–1.5 devices using ESP-IDF on ESP32-C6, ESP32-H2, ESP32-S3, and more.

[Details](https://openhardware.directory/projects/espressif-esp-matter-sdk) | [Markdown](https://openhardware.directory/projects/espressif-esp-matter-sdk/md)

## Matter SDK — ConnectedHomeIP

The official open-source Matter (formerly Project CHIP) reference SDK maintained by the Connectivity Standards Alliance — the foundation for all Matter device implementations across Apple, Google, Amazon, and open hardware.

[Details](https://openhardware.directory/projects/matter-sdk-connectedhomeip) | [Markdown](https://openhardware.directory/projects/matter-sdk-connectedhomeip/md)