Bitcoin Core integration/staging tree

Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check wit…

Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi!

ESP8266 core for Arduino

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.

MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ the…

Free Lossless Image Format

Software defined radio receiver powered by GNU Radio and Qt.

Arduino library for SSD1306 monochrome 128x64 and 128x32 OLEDs

a free and open source speech synthesizer for Russian and other languages

Universal utility for programming FPGA

Library to build PHP extensions with C++

OpenPLC Runtime version 3

Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB

Embedded RPC

A light-weight Arduino hardware package for ATtiny13

An Arduino library to control FM radio chips like SI4703, SI4705, RDA5807M, TEA5767.

Vince's tree - see namecoin/namecoin for main integration tree

Aiming at some problems existing in 3D printed motherboards in the market. Bigtree Technology Co., Ltd. launched a high performance 3D printer master board with STM32F407ZGT6 as the core controller…

Tool to build and unpack SPIFFS images

use esp8266 to show weather forecast on 2.9inch e-paper

ESP8266 as wireless JTAG Programmer

A graphical serial terminal

Home Assistant / Domoticz tested with a RFLink, modified for ESP8266 and ESP32

SPI Slave for ESP8266 module

This is the fast avr programmer for AVR MCUs based on cheap stm32f103c8t6 board with usb-to-serial support.

Code and schematics for driving a Nixie tube clock with a NodeMCU 1.0 ESP8266 development board