IoT
Self-hosted IoT infrastructure — MQTT brokers, Home Assistant automation, ESPHome firmware, edge processing with eKuiper, and open-source tools for connecting sensors, microcontrollers, and smart home devices.
2.4 GHz: Wi-Fi, Bluetooth, Zigbee, and ExpressLRS
A practical explanation of how Wi-Fi, Bluetooth, Zigbee, Thread, and ExpressLRS can all use 2.4 GHz without being the …
IoT and Electronics Tools
A practical map of IoT, embedded systems, smart home, and electronics tools covered on FOSS Engineer.
ExpressLRS - Rebuilding an Old Receiver Target as FCC Firmware
A practical ExpressLRS recovery story: mapping an old receiver target to source history, rebuilding the exact 3.2.0 WiFi …
Zigbee2MQTT - Self-Hosted Zigbee Bridge
Self-host Zigbee2MQTT with Docker, Mosquitto, a Zigbee coordinator, and a field-tested SONOFF dongle plus SNZB-02D …
Zigbee2MQTT
Zigbee-to-MQTT bridge for running Zigbee smart-home devices without vendor hubs.
Self-Hosting Home Assistant with Docker
Deploy Home Assistant with Docker and take full control of your smart home.
Self-Hosting eKuiper - Edge Stream Processing with Docker
Deploy eKuiper, the lightweight edge stream processing engine, with Docker Compose.
Self-Hosting ESPHome with Docker
Self-host ESPHome with Docker to program and manage ESP8266/ESP32 devices from a web dashboard.
Self-Hosting EMQX - MQTT Broker with Docker
Deploy EMQX, the scalable open-source MQTT broker, with Docker Compose.
Velxio - Arduino Emulator That Runs Entirely in Your Browser
Real CPU emulation for Arduino, RP2040, ESP32, RISC-V, and Raspberry Pi—all in the browser with 48+ electronic …