Software for Your Open Hardware

Ultra-low-power custom APRS tracker firmware for the LILYGO T-Echo that uses the nRF52840's deep-sleep modes to achieve 100 µA standby current while transmitting GPS positions over LoRa.

Arduino firmware that turns the LILYGO T-SIM7000G into a real-time LTE-based GPS tracker reporting position to a self-hosted Traccar server over the cellular network.

Arduino-based GPS tracker for the LILYGO T-SIM7000G that publishes location, battery, signal strength, and sensor readings to an MQTT broker over LTE — with multiple power modes and OTA update support.

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.

Full-featured LoRa APRS tracker firmware for the LILYGO T-Beam with GPS beaconing, two-way messaging, weather data, Winlink access, and a complete on-device menu system.

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.

The LILYGO T-Echo running SoftRF Badge Edition acts as a low-power aviation proximity awareness device for glider and paraglider pilots, detecting nearby aircraft via FLARM, OGN, and ADS-L protocols on its e-paper display.

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.

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.

A GPS tracker that uploads location data to The Things Network and TTN Mapper, measuring LoRaWAN gateway signal strength and coverage using the TTGO T-Beam.

A configurable LoRa APRS tracker running on the TTGO T-Beam, supporting smart beaconing, weather station mode, digipeater functionality, and over-the-air setup via a rotary encoder display.

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.

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.

A portable Helium network coverage mapper using the TTGO T-Beam rev 1.1, sending LoRa packets to nearby hotspots and uploading signal metrics to mappers.helium.com for community coverage mapping.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.