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

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Found 7335 libraries
Display
lvgl
MIT
19632 Stars
3622 Forks
V9.2.2
Full-featured Graphics Library for Embedded Systems
kisvegabor
kisvegabor, embeddedt, pete-pjb
10/30/2024

Data Processing
ArduinoJson
MIT
6921 Stars
1140 Forks
V7.4.1
A simple and efficient JSON library for embedded C++.
Benoit
Benoit Blanchon
04/11/2025

Display
FastLED
MIT License
6886 Stars
1697 Forks
V3.9.16
Multi-platform library for controlling dozens of different types of LEDs along with optimized math, effect, and noise functions.
Daniel
Daniel Garcia
04/18/2025

Communication
WiFiManager
MIT License
6850 Stars
2021 Forks
V2.0.17
WiFi Configuration manager with web configuration portal for Espressif ESPx boards, by tzapu
tzapu
tablatronix
03/02/2024

Communication
IRremote
License
4719 Stars
1785 Forks
V4.4.1
Send and receive infrared signals with multiple protocols
shirriff,
Armin Joachimsmeyer
09/09/2024

Communication
Blinker
MIT License
4488 Stars
237 Forks
V0.3.10230510
Build a easy way for your IoT project.
i3water
i3wawter
02/15/2022

Display
TFT_eSPI
License
4156 Stars
1209 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
Blynk
MIT License
3924 Stars
1404 Forks
V1.3.2
Build a smartphone app for your project in minutes!
Volodymyr
Volodymyr Shymanskyy
09/04/2023

Communication
PubSubClient
MIT
3917 Stars
1482 Forks
V2.8.0
A client library for MQTT messaging.
Nick
Nick O'Leary
05/20/2020

Device Control
IRremoteESP8266
LGPL-2.1
3154 Stars
858 Forks
V2.8.6
Send and receive infrared signals with multiple protocols (ESP8266/ESP32)
David
6 Maintainers
07/28/2023

Communication
MFRC522
Unlicense
2887 Stars
1474 Forks
V1.4.12
Arduino RFID Library for MFRC522 (SPI)
GithubCommunity
GithubCommunity
02/17/2025

Communication
PJON
License
2747 Stars
243 Forks
V13.1.0
PJON is an open-source, multi-master, multi-media bus network protocol
Giovanni
Giovanni Blu Mitolo
02/10/2022