# 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.

**5 project listed.**

## T-SIM7000G LTE GPS Tracker for Traccar

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.

[Details](https://openhardware.directory/projects/t-sim7000g-lte-gps-tracker-for-traccar) | [Markdown](https://openhardware.directory/projects/t-sim7000g-lte-gps-tracker-for-traccar/md)

## T-SIM7000G MQTT GPS Tracker with Sensors

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.

[Details](https://openhardware.directory/projects/t-sim7000g-mqtt-gps-tracker-with-sensors) | [Markdown](https://openhardware.directory/projects/t-sim7000g-mqtt-gps-tracker-with-sensors/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)

## 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)

## 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)