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 7806 libraries
Display
lvgl
18620 Stars
3495 Forks
V9.2.2
Full-featured Graphics Library for Embedded Systems
kisvegabor,embeddedt,pete-pjb
10/30/2024
Data Processing
ArduinoJson
6862 Stars
1137 Forks
V7.3.1
A simple and efficient JSON library for embedded C++.
Benoit
02/27/2025
Communication
WiFiManager
6777 Stars
2013 Forks
V2.0.17
WiFi Configuration manager with web configuration portal for Espressif ESPx boards, by tzapu
tablatronix
03/02/2024
Display
FastLED
6755 Stars
1685 Forks
V3.9.14
Multi-platform library for controlling dozens of different types of LEDs along with optimized math, effect, and noise functions.
Daniel
03/05/2025
Communication
IRremote
4655 Stars
1778 Forks
V4.4.1
Send and receive infrared signals with multiple protocols
Armin
09/09/2024
Communication
Blinker
4294 Stars
235 Forks
V0.3.10230510
Build a easy way for your IoT project.
i3wawter
02/15/2022
Display
TFT_eSPI
4055 Stars
1167 Forks
V2.5.43
TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32
Bodmer
03/06/2024
Communication
PubSubClient
3899 Stars
1488 Forks
V2.8.0
A client library for MQTT messaging.
Nick
05/20/2020
Communication
Blynk
3898 Stars
1399 Forks
V1.3.2
Build a smartphone app for your project in minutes!
Volodymyr
09/04/2023
Display
Adafruit NeoPixel
3193 Stars
1285 Forks
V1.12.5
Arduino library for controlling single-wire-based LED pixels and strip.
Adafruit
03/06/2025
Device Control
IRremoteESP8266
3100 Stars
845 Forks
V2.8.6
Send and receive infrared signals with multiple protocols (ESP8266/ESP32)
David
07/28/2023
Communication
MFRC522
2858 Stars
1468 Forks
V1.4.12
Arduino RFID Library for MFRC522 (SPI)
GithubCommunity
02/17/2025