# project — Open Hardware Directory

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**4 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)

## 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)

## T-CAN485 Vehicle CAN Bus Monitor with ESP32RET and SavvyCAN

Deploy ESP32RET firmware on the LILYGO T-CAN485 to capture and analyze vehicle CAN bus traffic using SavvyCAN — no soldering required, as the CAN transceiver is built into the $12 board.

[Details](https://openhardware.directory/projects/t-can485-vehicle-can-bus-monitor-with-esp32ret-and-savvycan) | [Markdown](https://openhardware.directory/projects/t-can485-vehicle-can-bus-monitor-with-esp32ret-and-savvycan/md)

## ESP32RET — CAN Bus Reverse Engineering Tool with SavvyCAN

Turns the LILYGO T-CAN485 into a sub-$15 professional CAN bus reverse engineering and sniffing tool with WiFi streaming to the SavvyCAN desktop analyzer, ELM327 emulation, and SD card logging.

[Details](https://openhardware.directory/projects/esp32ret-can-bus-reverse-engineering-tool-with-savvycan) | [Markdown](https://openhardware.directory/projects/esp32ret-can-bus-reverse-engineering-tool-with-savvycan/md)