# 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. **41 project listed.** ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## Meshtastic Off-Grid Node on T-Echo Turn the LILYGO T-Echo into a low-power Meshtastic mesh node with multi-day battery life, e-paper display, and Bluetooth app pairing for off-grid encrypted mesh communications. [Details](https://openhardware.directory/projects/meshtastic-off-grid-node-on-t-echo) | [Markdown](https://openhardware.directory/projects/meshtastic-off-grid-node-on-t-echo/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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## Off-Grid Messaging and Location Sharing with ThinkNode M1 Hands-on guide to setting up off-grid messaging and GPS location sharing using the ThinkNode M1 and Meshtastic. Covers LoRa mesh networking fundamentals, device configuration, and practical use cases for outdoor communication without cellular coverage. [Details](https://openhardware.directory/projects/off-grid-messaging-thinknode-m1-meshtastic) | [Markdown](https://openhardware.directory/projects/off-grid-messaging-thinknode-m1-meshtastic/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) ## Armachat CircuitPython Firmware Official CircuitPython firmware for the Armachat by Bobricius, featuring LoRa messaging with Meshtastic-compatible radio profiles, AES256 encryption, and on-the-fly frequency tuning on Raspberry Pi Pico. [Details](https://openhardware.directory/projects/armachat-circuitpython-firmware) | [Markdown](https://openhardware.directory/projects/armachat-circuitpython-firmware/md) ## ThinkNode M1 Range Testing and Battery Optimization In-depth performance review of the ThinkNode M1 covering standardized urban range testing (1.71km achieved), battery optimization (4-5 days with GPS off), firmware updates to InkUI, and antenna considerations for maximizing Meshtastic mesh network coverage. [Details](https://openhardware.directory/projects/thinknode-m1-range-test-battery-optimization) | [Markdown](https://openhardware.directory/projects/thinknode-m1-range-test-battery-optimization/md) ## Armachat Compact User Guide Community-maintained documentation for the Armachat Compact, including a quick start guide, bill of materials, board overview, assembly instructions, and developer resources for building your own LoRa messenger. [Details](https://openhardware.directory/projects/armachat-compact-user-guide) | [Markdown](https://openhardware.directory/projects/armachat-compact-user-guide/md) ## ThinkNode M1 Custom 3D Printed Enclosure Community-designed 3D printable cases for the Elecrow ThinkNode M1 Meshtastic transceiver. Multiple designs available on MakerWorld featuring heat-set inserts, optimized screw holes, and ergonomic form factors for outdoor use. [Details](https://openhardware.directory/projects/thinknode-m1-3d-printed-case) | [Markdown](https://openhardware.directory/projects/thinknode-m1-3d-printed-case/md) ## Armachat2 Async Firmware Redesign Redesigned Armachat CircuitPython firmware using asyncio cooperative multitasking for better performance, supporting Max, Compact, and Watch hardware variants with persistent configuration. [Details](https://openhardware.directory/projects/armachat2-async-firmware-redesign) | [Markdown](https://openhardware.directory/projects/armachat2-async-firmware-redesign/md) ## ThinkNode M1 Firmware, 3D Files, and Example Code Repository Official Elecrow GitHub repository for the ThinkNode M1 containing factory firmware, 3D CAD enclosure files, component datasheets, and example code for the nRF52840-based LoRa Meshtastic transceiver with SX1262 radio and SSD1681 e-paper driver. [Details](https://openhardware.directory/projects/thinknode-m1-firmware-repository) | [Markdown](https://openhardware.directory/projects/thinknode-m1-firmware-repository/md) ## Armachat Multi-Device CircuitPython Port Community CircuitPython port of the Armachat firmware supporting Max, Compact, and Watch variants with improved configuration persistence and user-friendly confirmation prompts. [Details](https://openhardware.directory/projects/armachat-multi-device-circuitpython-port) | [Markdown](https://openhardware.directory/projects/armachat-multi-device-circuitpython-port/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) ## 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) ## 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) ## 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) ## 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) ## 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)