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Tags: Hardware and IoT
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Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

Open Source Flight Controller Firmware

  • betaflight
  • cleanflight
  • flight-controller
  • hacktoberfest

Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript.

Retro ESP32 is a turbo charged Odroid Go Launcher, Emulator and ROM Manager

  • odroid-go
  • gameboy-pocket
  • gnuboy
  • nesemu

C99 firmware core for a 16-series LFP pack. Independent charge and discharge FETs, cell protection, coulomb SOC, and the current and voltage limits an inverter follows. Passive balance runs for 1.0 s, then 200 ms off, so the fault wait finishes on an unloaded sample. No RTOS, no heap. The AFE driver and fieldbus stay on your board.

piVCCU is a project to install the original Homematic CCU3 firmware inside a virtualized container (lxc) on ARM based single board computers.

🧠 SuperGreenOS home farming automation software for esp32, all in one package, and controllable from your smartphone, pc, mac, linux, toaster, plumbus, whatnot...

Polar graph controler that uses repetier firmware. Inspired by work at http://www.polargraph.co.uk

A very fast micropython jpeg encoder and decoder for the esp32, with precompiled firmware.