Karabiner-Elements is a powerful tool for customizing keyboards on macOS

A client library for the Arduino Ethernet Shield that provides support for MQTT.

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…

Arduino library for creating MIDI controllers and other MIDI devices.

OTA updates made slick and simple for everyone!

A remote terminal library for wireless microcontrollers to log, monitor or debug your firmware/product

Version 6 of the single channel gateway

Arduino Library for Adafruit MCP23017

Yet another tool to read power production of SMA® solar/battery inverters

An MQTT enabled combined fingerprint reader and doorbell based on the ESP32 MCU and the R503 fingerprint sensor called "FingerprintDoorbell".

Reflow Master is an open source Toaster Oven reflow controller that includes both hardware and software.

Version 5 of Single Channel LoRa Gateway

ESP8266 based smart meter (SML) to MQTT gateway

Sound Level Meter with ESP32 and I2S MEMS microphone

PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder supp…

INA219 Current Sensor

Control Heidelberg Wallbox Energy Control over WiFi using ESP8266

HTTPS sketches for ESP8266 and ESP32

For Arduino Boards (&ESP32). Additional Examples/Commands., Hardware/Software Serial

G-code generator for multicolor 3D printers

Do-it-Yourself Geiger Counter YouTube video

This is simple yet complete WebServer library for AVR, AVR Dx, Portenta_H7, Teensy, SAM DUE, SAMD21/SAMD51, nRF52, STM32, RP2040-based, etc. boards running Ethernet shields. The functions are simil…

An event handling system for Arduino. It allows you to register "listeners" and post events for them. Designed to be interrupt safe.

Arduino Uno, 433MhzRx and OS WMR86 Weather Station

Modbus client for ESP32

Arduino library for SDS011 dust sensor

Arduino imeplementation for CO2 sensors of the MH-Z series (Intelligent Infrared CO2 Module)

PangolinMQTT - ArduinoIDE client library for ESP8266, ESP32 and STM32-NUCLEO

MH-Z19 CO2 sensor library for ESP8266 or Arduino