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

Arduino RFID Library for MFRC522

433Kit is a collection of code and documentation designed to assist you in the connection and usage of RF 433MHz transmit and receive modules to/with your Arduino and Rapberry Pi.

Publicly-released sketches for the Arduino microprocessor

Arduino Cryptography Library

ESP8266 EasyIoT library and sensor examples

An Arduino library to manage the ESP8266.

AT protocol library

Arduino framework for node.js

Arduino clone based on the ATmega644P/ATmega1284P