Libraries

The Arduino environment can be extended through the use of libraries. Libraries provide extra functionality for use in sketches. Discover how to installing libraries

Sort by
Found 8110 libraries
Display
lvgl
MIT
20078 Stars
3699 Forks
V9.3.0
Full-featured Graphics Library for Embedded Systems
kisvegabor
kisvegabor, embeddedt, pete-pjb
06/03/2025

Display
FastLED
MIT License
6969 Stars
1704 Forks
V3.10.1
Multi-platform library for controlling dozens of different types of LEDs along with optimized math, effect, and noise functions.
Daniel
Daniel Garcia
06/24/2025

Data Processing
ArduinoJson
MIT
6966 Stars
1144 Forks
V7.4.2
A simple and efficient JSON library for embedded C++.
Benoit
Benoit Blanchon
06/20/2025

Communication
WiFiManager
MIT License
6903 Stars
2030 Forks
V2.0.17
WiFi Configuration manager with web configuration portal for Espressif ESPx boards, by tzapu
tzapu
tablatronix
03/02/2024

Communication
IRremote
View license
4756 Stars
1791 Forks
V4.4.3
Send and receive infrared signals with multiple protocols
shirriff,
Armin Joachimsmeyer
06/29/2025

Communication
Blinker
MIT License
4584 Stars
238 Forks
V0.3.10230510
Build a easy way for your IoT project.
i3water
i3wawter
02/15/2022

Display
TFT_eSPI
View license
4252 Stars
1217 Forks
V2.5.43
TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32
Bodmer
Bodmer
03/06/2024

Communication
PubSubClient
MIT
3932 Stars
1487 Forks
V2.8.0
A client library for MQTT messaging.
Nick
Nick O'Leary
05/20/2020

Communication
Blynk
MIT License
3930 Stars
1406 Forks
V1.3.2
Build a smartphone app for your project in minutes!
Volodymyr
Volodymyr Shymanskyy
09/04/2023

Display
Adafruit NeoPixel
LGPL-3.0
3242 Stars
1292 Forks
V1.15.1
Arduino library for controlling single-wire-based LED pixels and strip.
Adafruit
Adafruit
05/28/2025

Device Control
IRremoteESP8266
LGPL-2.1
3182 Stars
870 Forks
V2.8.6
Send and receive infrared signals with multiple protocols (ESP8266/ESP32)
David
6 Maintainers
07/28/2023

Communication
MFRC522
View license
2909 Stars
1473 Forks
V1.4.12
Arduino RFID Library for MFRC522 (SPI)
GithubCommunity
GithubCommunity
02/17/2025