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
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Flipper Zero Unleashed Firmware
- jailbreak
- keeloq
- rolling-codes
- alternative-firmware
Open-source keyboard firmware for Atmel AVR and Arm USB families
- keyboard-firmware
- c
- olkb
- ergodox-ez
Espressif IoT Development Framework. Official development framework for Espressif SoCs.
Flipper Zero firmware source code
- nfc
- rfid
- subghz
- stm32
Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/
Embedded web server, with TCP/IP network stack, MQTT and Websocket
RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/
An opensource OpenWrt variant for mainland China users.
Eclipse Mosquitto - An open source MQTT broker
- mqtt
- broker
- mosquitto
- eclipse-iot
Lua based interactive firmware for ESP8266, ESP8285 and ESP32
- nodemcu
- lua
- espressif
- spiffs
Let an AI model use a real iPhone with a $7 ESP32: AirPlay eyes, USB HID hands, any OpenAI-compatible vision model. No Mac, no developer account, no jailbreak.
Implementations of SIMD instruction sets for systems which don't natively support them.
- simd-intrinsics
- sse
- neon
- arm
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.
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
- mqtt
- mqtt-broker
- iot-edge
- nng
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico
A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
- raspberry-pi
- c-plus-plus
- bare-metal
- usb
Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Alibaba Tair, Redpanda, YDB and StarRocks
- roaring-bitmaps
- visual-studio
- c
- clang
Play mp3 files from SD via I2S
- esp32
- max98357a
- i2s
- mp3
Python interface to Bluetooth LE on Linux
GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL
- adafruit-gfx
- sdl
- arduino
- raspberry-pi
Apple HomeKit accessory server library for ESP-OPEN-RTOS
- esp8266
- homekit
DroneBridge for ESP32. A secure & transparent telemetry link with support for WiFi and ESP-NOW. Supporting MAVLink, MSP, LTM or any other protocol
- dronebridge
- uav
- mavlink
- msp
Aviation weather and traffic receiver based on RTL-SDR.
- stratux
- rtl-sdr
- traffic
- weather