# project — Open Hardware Directory

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**9 project listed.**

## Oui-Spy Unified Blue Firmware

Multi-mode surveillance detection firmware combining Detector, Foxhunter, Flock-You, and Sky Spy into a single build with WiFi-based boot selector for the Oui-Spy ESP32-S3 board.

[Details](https://openhardware.directory/projects/oui-spy-unified-blue-firmware) | [Markdown](https://openhardware.directory/projects/oui-spy-unified-blue-firmware/md)

## Flock-You: Surveillance Camera Detector

ESP32-S3 firmware that detects Flock Safety ALPR cameras and Raven gunshot detectors using BLE heuristics, with GPS wardriving, web dashboard, and KML/CSV/JSON export for Google Earth mapping.

[Details](https://openhardware.directory/projects/flock-you-surveillance-camera-detector) | [Markdown](https://openhardware.directory/projects/flock-you-surveillance-camera-detector/md)

## Sky-Spy: Drone Remote ID Detector

Dual-protocol drone detection firmware for the Oui-Spy that scans WiFi and BLE simultaneously to extract FAA Remote ID telemetry including GPS, altitude, speed, and operator location from up to 8 drones.

[Details](https://openhardware.directory/projects/sky-spy-drone-remote-id-detector) | [Markdown](https://openhardware.directory/projects/sky-spy-drone-remote-id-detector/md)

## Oui-Spy Detector: BLE Device Scanner

Standalone BLE scanning firmware for the Oui-Spy that detects targeted Bluetooth devices by MAC address or manufacturer OUI prefix with audio/visual alerts, web portal configuration, and persistent device history.

[Details](https://openhardware.directory/projects/oui-spy-detector-ble-device-scanner) | [Markdown](https://openhardware.directory/projects/oui-spy-detector-ble-device-scanner/md)

## Oui-Spy Foxhunter: BLE Direction Finder

Precision BLE proximity tracking firmware for the Oui-Spy with RSSI-based direction finding, seven graduated intensity levels, and variable-frequency audio feedback for radio foxhunting competitions.

[Details](https://openhardware.directory/projects/oui-spy-foxhunter-ble-direction-finder) | [Markdown](https://openhardware.directory/projects/oui-spy-foxhunter-ble-direction-finder/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)

## Zephyr RTOS — Scalable Real-Time Operating System for IoT

Open-source RTOS under the Linux Foundation supporting 500+ boards across ARM, RISC-V, x86, and Xtensa architectures. Features multi-threading, BLE 5.0 mesh, native networking stack, and power management for resource-constrained IoT devices.

[Details](https://openhardware.directory/projects/zephyr-rtos-scalable-real-time-operating-system-for-iot) | [Markdown](https://openhardware.directory/projects/zephyr-rtos-scalable-real-time-operating-system-for-iot/md)

## ZMK Firmware — Wireless Keyboard Firmware Built on Zephyr

Modern, open-source wireless keyboard firmware built on Zephyr RTOS with BLE-first architecture, split keyboard support, and MIT license. The dominant firmware for wireless mechanical keyboards with 3,900+ GitHub stars.

[Details](https://openhardware.directory/projects/zmk-firmware-wireless-keyboard-firmware-built-on-zephyr) | [Markdown](https://openhardware.directory/projects/zmk-firmware-wireless-keyboard-firmware-built-on-zephyr/md)

## InfiniTime — Open-Source Firmware for PineTime Smartwatch

Community-developed C++ firmware for the Pine64 PineTime smartwatch built on FreeRTOS. Features BLE notifications, step counting, heart rate monitoring, multiple watch faces, and OTA updates with 3,200+ GitHub stars.

[Details](https://openhardware.directory/projects/infinitime-open-source-firmware-for-pinetime-smartwatch) | [Markdown](https://openhardware.directory/projects/infinitime-open-source-firmware-for-pinetime-smartwatch/md)