Arduino is an open source platform that allows users to easily build and program electronic devices using a variety of hardware and software tools. It is popular among hobbyists, educators, and professionals for its versatility and ease of use. With a variety of available microcontrollers, sensors, actuators, and other components, Arduino enables users to create a wide range of projects, from simple circuits to complex systems. Whether you are just getting started with electronics or have experience building projects, Arduino has something to offer for everyone.
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
Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
How to be low-level programmer
Golang framework for robotics, drones, and the Internet of Things (IoT)
A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32
Your Gateway to Embedded Software Development Excellence 👽
Tiny data-over-sound library
📟 JSON library for Arduino and embedded C++. Simple and efficient.
ESP8266 WiFi Connection manager with web captive portal
Let's upgrade cheap off-the-shelf robotic mowers to modern, smart RTK GPS based lawn mowing robots!
A realtime telemetry workbench for embedded systems.
U8glib library for monochrome displays, version 2
Infrared remote library for Arduino: send and receive infrared signals with multiple protocols
Created by Massimo Banzi, David Cuartielles, Tom Igoe, Gianluca Martino
Released March 21, 2005