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 7940 libraries
Display
lvgl
MIT
19515 Stars
3594 Forks
V9.2.2
Full-featured Graphics Library for Embedded Systems
kisvegabor,embeddedt,pete-pjb
10/30/2024
Data Processing
ArduinoJson
MIT
6914 Stars
1137 Forks
V7.4.1
A simple and efficient JSON library for embedded C++.
Benoit Blanchon
04/11/2025
Display
FastLED
MIT License
6870 Stars
1693 Forks
V3.9.16
Multi-platform library for controlling dozens of different types of LEDs along with optimized math, effect, and noise functions.
Daniel Garcia
04/18/2025
Communication
WiFiManager
MIT License
6819 Stars
2021 Forks
V2.0.17
WiFi Configuration manager with web configuration portal for Espressif ESPx boards, by tzapu
tablatronix
03/02/2024
Communication
IRremote
License
4702 Stars
1783 Forks
V4.4.1
Send and receive infrared signals with multiple protocols
Armin Joachimsmeyer
09/09/2024
Communication
Blinker
MIT License
4451 Stars
237 Forks
V0.3.10230510
Build a easy way for your IoT project.
i3wawter
02/15/2022
Display
TFT_eSPI
License
4140 Stars
1201 Forks
V2.5.43
TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32
Bodmer
03/06/2024
Communication
Blynk
MIT License
3919 Stars
1403 Forks
V1.3.2
Build a smartphone app for your project in minutes!
Volodymyr Shymanskyy
09/04/2023
Communication
PubSubClient
MIT
3912 Stars
1482 Forks
V2.8.0
A client library for MQTT messaging.
Nick O'Leary
05/20/2020
Display
Adafruit NeoPixel
LGPL-3.0
3216 Stars
1292 Forks
V1.12.5
Arduino library for controlling single-wire-based LED pixels and strip.
Adafruit
03/06/2025
Device Control
IRremoteESP8266
LGPL-2.1
3141 Stars
854 Forks
V2.8.6
Send and receive infrared signals with multiple protocols (ESP8266/ESP32)
David Conran, Mark Szabo, Sebastien Warin, Roi Dayan, Massimiliano Pinto, Christian Nilsson
07/28/2023
Communication
MFRC522
Unlicense
2884 Stars
1473 Forks
V1.4.12
Arduino RFID Library for MFRC522 (SPI)
GithubCommunity
02/17/2025