Top 1408 arduino open source projects

Alternative firmware for ESP8266 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

A lightweight, secure, easy-to-use crypto library suitable for constrained environments.

Software for plotters - especially the wall-hanging polargraph also called Makelangelo.

Second iteration of the DIY cellphone (based on the Arduino GSM shield).

The Embedded SDKs for the Parse Platform

Software for ROS Embedded board (a.k.a. OpenCR). OpenCR means Open-source Control Module for ROS.

cWebsocket is lightweight websocket server library

🔗 A fully implemented LinkedList made to work with general Microcontrollers and Arduino projects

Home of Badgy - IoT Badge

A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32

Open Auto Tracking System for satellite tracking or target tracking.

Adalight with FastLED support

PJON (Padded Jittering Operative Network) is an experimental, arduino-compatible, multi-master, multi-media network protocol.

Print wirelessly from Cura, PrusaSlicer or Slic3r to your 3D printer connected to an ESP8266 (in the future also ESP32) module

ESP8266 Firebase RTDB Arduino Library

K3NG Arduino CW Keyer

Wi-Fi Geolocation Spoofing with the ESP8266

The free embedded operating system.

embedded-hal abstractions for AVR microcontrollers

DIY Arduino Wi-Fi Keylogger (Proof of Concept)

Arduino-TVout

Kicks out everyone in your LAN via with an enc28j60 ethernet controller and Arduino.

Repository for Open Source Mouse Firmware and Hardware

A library for writing modern websockets applications with Arduino (ESP8266 and ESP32)

📶 A curated list of awesome ESP8266/32 projects and code

一款使用 C# 及 WPF 框架编写的串口调试助手，界面优雅、简洁，易于使用。

Interpreter that runs on an arduino, decodes and executes ducky script on a microSD card.

Raspberry Pi Based Energy Monitor. Hardware, Firmware & related software for the PI.

Arduino library for LED strips and pixels using LPD8806 (and probably LPD8803/LPD8809)

Live dataflow programming for microcontrollers and embedded

Arduino hardware package for ATmega64, ATmega128, ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90CAN32, AT90CAN64 and AT90CAN128

Espressif 8266: development platform for PlatformIO

Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.

ESP32 Firebase RTDB Arduino Library

Logic Analyzer, for Arduino, AVR, ESP8266 and STM32 with a very nice working processing interface, you could run it also on any Android device.

ST STM32: development platform for PlatformIO

An Arduino/esp8266/esp32 library to directly interface with DSC security systems.

Arduino web server library.

A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.

Non-blocking LED controlling library for Arduino and friends.

An [IN PROGRESS] open source, low cost, low resource, quick deployment ventilator design that utilizes a Ambu-bag as a core component. Another project into the "war" against COVID-19. [Repo in Potuguese]

OneWire slave device emulator

Configurable automation library for linux SBC boards including raspberry pi

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

A version of the Lisp programming language for ATmega-based Arduino boards.

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

ADVi3++, an alternative and better firmware for Wanhao i3 Plus printers and clones. Fork of Marlin Firmware.

Arduino code to brute force Macbook's 4-digit iCloud PINs

A scalable, open source battery management system

Fast Stepper Motor Library for Teensy boards

An Arduino library for sending and receiving DMX packets.

Blynk is an Internet of Things Platform aimed to simplify building mobile and web applications for the Internet of Things. Easily connect 400+ hardware models like Arduino, ESP8266, ESP32, Raspberry Pi and similar MCUs and drag-n-drop IOT mobile apps for iOS and Android in 5 minutes

Arduino library for debouncing momentary contact switches, detect press, release, long press and sequences with event definitions and callbacks.

Air Hockey Robot Project

Library sim800l for Arduino UNO (maybe sim900l work)

LED Matrix Library

T12 Quick Heating Soldering Station

⏳ Timer Library fully implemented for Arduino DUE

SI4735 Library for Arduino