Software for Your Open Hardware

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.

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.

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.

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.

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.

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.

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.

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.

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.