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 9000 libraries
Timing
ZenLib provides simple, readable time control with Zentime literals and helpers.
NexByteIO
NexByteIO nextbyteio@gmail.com
07/23/2025

Device Control
Arduino library to control any number of LEDs on any pins using 8-bit PWM with CIE 1931 curves for linear adjustment.
Arnd
Arnd
01/31/2021

Communication
A library for use with Youless Energy Monitor.
Nick
Nick van Tholen
01/25/2021

Device Control
Yfrobot MP3 V3
License unknown
V1.1.1
Control the YFROBOT MP3 Audio Module V3 over UART with built-in command timing control.
YFROBOT
YFROBOT
04/18/2026

Sensors
Have your sketches respond to simple and advanced button events with only a few lines of code.
Gino
Gino Bollaert
12/08/2019

Sensors
NEWOPTO XYC_ALS21C_K1 ambient light sensor
Koen
koendv
05/30/2025

Device Control
XRA1405_Button
V1.0.0
Button debounce and detection library using XRA1405 SPI GPIO expander.
Itay
Itay Nave

Device Control
Allows Arduino boards to control a variety of servo motors. For Alorium Technology's XLR8 board.
Alorium
Alorium Technology
10/10/2019

Display
Mimic the Xbox 360 controller's LED patterns.
David
David Madison
01/13/2021

Signal Input/Output
WTV020SD16P
License unknown
V1.4.0
Arduino library for the WTV020-SD-16P sound module
Diego
FabLab Bayreuth
02/09/2020

Communication
This is a library for developing Wireless Sensor Network using RFM69 LowPowerLab Library.
SunitRaut
Sunit Raut
02/29/2024

Device Control
WS2812 FX Library for Arduino and ESP microprocessors.
Harm
Harm Aldick
04/28/2026