Most popular arduino repositories and open source projects

Arduino is an open source hardware and software company and maker community. Arduino started in the early 2000s. Popular with electronic makers, Arduino offers a lot of flexibility through an open source system.

SI4735

SI473X Library for Arduino

141 417 417

openHASP

HomeAutomation Switchplate based on lvgl for ESP32

90 416 416

dscKeybusInterface

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

115 415 415

megaTinyCore

Arduino core for the tinyAVR 0/1/2-series - this is any ATtiny with 2,...

115 411 411

CorsairLightingProtocol

Control LEDs connected to an Arduino with iCUE, create an unofficial C...

54 404 404

freedomotic

Open IoT Framework

492 400 400

scarab-osd

MWOSD - UAV HUD

198 396 396

JC_Button

Arduino library to debounce button switches, detect presses, releases,...

95 396 396

RF24Mesh

OSI Layer 7 Mesh Networking for RF24Network & nrf24L01+ devices

155 395 395

Adafruit-PWM-Servo-Driver-Library

Adafruit PWM Servo Driver Library

291 394 394

arduino-create-agent

The Arduino Create Agent

139 387 387

ELMduino

Arduino OBD-II Bluetooth Scanner Interface Library for Car Hacking Pro...

87 386 386

uMQTTBroker

MQTT Broker library for ESP8266 Arduino

100 384 384

Firebase-ESP8266

🔥 Firebase RTDB Arduino Library for ESP8266 and RP2040 Pico. The compl...

105 381 381

DynamixelSDK

ROBOTIS Dynamixel SDK (Protocol1.0/2.0)

358 376 376

Farm-Data-Relay-System

A system that uses ESP-NOW, LoRa, and other protocols to transport sen...

79 376 376

OpenATS

Open Auto Tracking System for satellite tracking or target tracking.

111 375 375

EspTinyUSB

ESP32S2 native USB library. Implemented few common classes, like MIDI,...

58 375 375

MD_Parola

Library for modular scrolling LED matrix text displays

124 372 372

IL2C

IL2C - A translator for ECMA-335 CIL/MSIL to C language.

33 371 371

MIDI_controller

This is a library for creating a MIDI controller using an Arduino or T...

64 369 369

peeqo-robot

The world's first robot to interact through GIFs...'nuf said

62 368 368

f32c

A 32-bit RISC-V / MIPS ISA retargetable CPU core & SoC, 1.63 DMIPS/MHz

99 368 368

EspMQTTClient

Wifi and MQTT handling for ESP8266 and ESP32

112 368 368

DS3232RTC

Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clock...

135 366 366

EasyButton

Arduino library for debouncing momentary contact switches, detect pres...

53 365 365

avr8js

Arduino (8-bit AVR) simulator, written in JavaScript and runs in the b...

58 362 362

ArduinoWebsockets

A library for writing modern websockets applications with Arduino (ESP...

79 358 358

Firebase-ESP-Client

🔥Firebase Arduino Client Library for ESP8266, ESP32 and RP2040 Pico. T...

83 355 355

homebrew-avr

Homebrew AVR Toolchain

74 354 354

Automaton

Reactive State Machine Framework for Arduino

60 350 350

Button2

Arduino/ESP button library that provides callback functions to track s...

73 350 350

picsimlab

PICsimLab - Programmable IC Simulator Laboratory

74 348 348

WebSerial

Remote Serial monitor for ESP8266 & ESP32

85 347 347

Adafruit-Fingerprint-Sensor-Library

Arduino library for interfacing to the fingerprint sensor in the Adafr...

308 345 345

OpenCR

Software for ROS Embedded board (a.k.a. OpenCR). OpenCR means Open-sou...

219 343 343

Firebase-ESP32

🔥 Firebase RTDB Arduino Library for ESP32. The complete, fast, secured...

98 340 340

M5ez

Complete interface builder for the M5Stack, an ESP32 based mini tinker...

61 339 339

ESP_WiFiManager

This is an ESP32 / ESP8266 WiFi Connection Manager with fallback web c...

81 336 336

Cosa

An Object-Oriented Platform for Arduino/AVR

75 335 335

platform-ststm32

ST STM32: development platform for PlatformIO

276 335 335

Adalight-FastLED

Adalight with FastLED support

64 332 332

ARDUINO

61 332 332

RF24Network

OSI Layer 3 Networking for nRF24L01(+) Radios on Arduino and Raspberry...

167 331 331

k3ng_cw_keyer

K3NG Arduino CW Keyer

190 331 331

HeliOS

A community delivered, open source embedded operating system project.

42 329 329

Arduino-For-Keil

A lightweight Arduino framework for Keil projects.

126 327 327

Duckuino

Simple DuckyScript to Arduino C converter.

113 326 326

ulisp

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

44 326 326

ESPHelper

A library to make using WiFi & MQTT on the ESP8266 easy.

67 323 323