Avr

A list of the 484 libraries in the architecture avr.

AStar32U4	A-Star 32U4 Arduino library
ATmega32U4 Grove Air quality sensor	ATmega32U4 Arduino library to read values from Grove Air Quality Sensor.
ATtinySerialOut	Minimal bit-bang send serial 115200 or 38400 baud for 1 Mhz or 230400 baud on 8/16 MHz Attiny clock.Perfect for debugging purposes.Code size is only 76 Bytes@38400 baud or 196 Bytes@115200 baud (including first call)
AdagioPro	Controls Adagio RGB Poollights over RS-485
ADCTouch	Create Touch Sensors with a single (Analog)Pin without external Hardware
ADCTouchSensor	Create Touch Sensors with a single analog pin without external hardware
ADSWeather	Arduino library to interface with the Argent Data Systems weather station sensor assembly.
ADS1110	ADS1110 Driver (16-BIT ADC with Onboard Reference, PGA and I2C Interface)
ADS1118 library	Arduino library for TI ADS1118 (16-Bit Analog-to-Digital Converter with Internal Reference and Temperature Sensor).
AllWize	Arduino-compatible library to interface RC1701HP-OSP/WIZE radio modules
AltSoftSerial	Software emulated serial using hardware timers for improved compatibility
Altino	The library for the Altino car.
Ambimate	A library for the Ambimate sensor board from TE
analogComp	Set and manage the integrated analog comparator
AnalogTouch	AnalogTouch library for Arduino
AntaresLoraID	Lora.id Arduino Library for Dragino/RFM and standalone LoRaWAN modules.
ArdTap	A library to manage an Arduino board from a mobile in a couple of minutes. No coding, only configuration.
ArdVoice	A library to play audio (voices) on the Arduboy game system.
Arduboy	The Arduboy core library.
ArduboyPlaytune	A library for playing musical scores and tones that is compatible with the Arduboy game system.
Arduboy-TinyFont	Tiny 4x4 Font for Arduboy which contains the small ASCII Table from 32 to 127. The sprite for the font uses 192 bytes.
ArduboyTones	A library for playing a sequence of tones, intended for use with the Arduboy game system.
Arduboy2	An alternative library for use with the Arduboy game system.
arduino-fsm	A library for implementing a finite state machine
ArduinoIHC	A Library for connecting to the IHC Controller data in/out.
ArduinoLang	Translate Wiring and CPP language to your native language.
ArduinoLearningKitStarter	Library for the ArduinoLearningKitStarter (ALKS) board by RoboticsBrno with definition of pins and initialization of peripheries.
arduino-menusystem	A library for implementing a menu system
Arduino POST HTTP Parser	A library that allows for easy parsing of POST packages.
Arduino Smart Watch	A library that makes coding a watch for Arduino Micro and so on
ArduinoSTL	A port of uClibc++ packaged as an Arduino library.
ArduinoUniqueID	Arduino Library to gets the Manufacture Serial Number from the Atmel AVR, SAM, SAMD, STM32, and ESP Microcontroller.
Arduino Uno WiFi Dev Ed Library	This library allows users to use network features like rest and mqtt. Includes some tools for the ESP8266.
Arduino-Websocket-Fast	Websocket client library (fast data sending).
ArxRobot Library	Enables easy access to the controls of Arxterra robots.
Aspen SIM800	A comprehensive SIM800 Series library for simplified and in-depth chip access.
AsyncAnalog	Arduino Library for async reading of an analog pin
ATMlib	The Arduboy Tracker Music library.
AtTouch	Arduino Library for the Atmel AT42QT1070 QTouch 7-channel Sensor IC via i2c.
AutoAnalogAudio	Automated analog reads and analog output (streaming) using Arduino DAC(or PWM), ADC, DMA and Timers
avdweb_AnalogReadFast	Fast analogRead 10/12 bit ADC for the Arduino Zero and Uno
AvrHeap	Library to runtime analyze the structure of the heap (AVR328).
AVR Standard C Time Library	Time functions for AVR (Goldilocks, Uno, Leonardo, Mega).
avr_stl	A port of ArduinoSTL Arduino library.
Awesome	The library that supports the Awesome Shield PCB.
BackSeatDriver	Simple move and turn semantics for self-driving vehicles.
Balboa32U4	Balboa 32U4 Arduino library
BaroLibrary	Library for Measurement Specialties MS5637-02BA03 Altimeter/Pressure sensor (including Freetronics BARO module).
Beelan LoRaWAN	LoRaWAN Arduino Library for standalone LoRaWAN modules class A and C with a simple API.
BLE SDK for Arduino	Nordic BLE SDK for Arduino for nRF8001 products such as the BLE Shield, Blend and Blend Micro.
BlueDisplay	This library enables an Android smartphone or tablet to act as a graphical display for your Arduino.
Braccio	Allows to move each Braccio parts using simple calls.
BraccioRobot	Braccio Robot controller API.
BraccioV2	A library that enables more functionality for use with the Tinkerkit Braccio Arm.
BSEC Software Library	Bosch Sensortec Environmental Cluster (BSEC) Software library
BTLE	Arduino library for basic Bluetooth LE communication.
Buzz	AC/static electricity-based motion detection using only the ADC and a wire!
cI2C	Arduino Hardware I2C for AVR (in plain c)
CaptureTimer	Arduino Input Capture Library
CarreraDigitalControlUnit	Carrera® DIGITAL 124/132 interface library for Arduino and mbed OS
CEClient	A library which allows communication with HDMI CEC capable devices.
cerebro	A library that makes cerebro works easly.
Ch376msc	A library for CH376 file manager control chip.
Charge n Boost	A library for the Charge 'n Boost lithium charger and usb booster
ChirpSDK	Chirp SDK
Ciao	Enables communication between microcontroller and MIPS cpu. Natively support network communications, terminal (linux) and file access.
Circios Roboter-Steuerung	Arduino-Bibliothek zum Ansteuern des "Circios" Schulroboters
CircuitsFunBasic	Essential basic components library by CircuitsFun.
CircuitsFunProjects	Beginner friendly projects and project libraries by CircuitsFun
CMMC Packet	A simple CMMC Packet data structure.
CMMC_LED	An easy led controller
CMMC_NB-IoT	CMMC_NB-IoT
CoDrone	A library for CoDrone users
ComDriverSpi	SPI communication driver class
Commanders	This is a library for Arduino to handle input devices like buttons, Dcc (railroad modeling), CAN or I2C bus, or serial interface to give orders.
Comp6DOF_n0m1	An Arduino Library for compass tilt compensation and hard iron offset
ControleForno	Uma biblioteca para controle e automacao de forno tipo esteira.
CONTROLLINO	Support library for CONTROLLINO PLC boards
Corsair Lighting Protocol	Allows iCUE to control RGB LEDs.
CRC Simula Arduino IDE Library	Support Library for Chicago Robotics Simula Boards.
CRC VCNL4200 Library	Library for control of the Vishay VCNL4200 proximity and ambient light sensor package. Now includes limited interrupt support.
CS5490	A library control an integrated circuit Cirrus Logic - CS5490
CurrentTransformer	Arduino Library for measuring current in 50/60Hz circuits using current transformers.
Cytron 3A Motor Driver Shield	Library for controlling Cytron 3A Motor Driver Shield
Cytron G15 Shield	Library for controlling G15 Cube Servo
Cytron Maker Sumo Library	Library for Cytron Maker Mini Sumo controller.
DAC7611	A library that makes interfacing the DAC7611p a breeze.
databot	Official databot library supporting databot, based on Arduino
DatavisionLCD	This library allows communication with Phico Datavision LCD.
DCCpp	This is a library to control DCC devices.
DcDccNanoController	This library is made to build a basic Dcc controller on small Arduino Nano or Uno.
dcf77_xtal	DCF77 decoder with excellent noise tolerance.
DDS	Generate sinusoids on AVR-based Arduinos at varying frequencies. Requires an analog low-pass filter.
DebounceEvent	Simple push button and toggle switch debounce library that reports number of clicks and length
Debugger	A terminal debugger with break points and data watches.
DeepSleepScheduler	Lightweight, cooperative task scheduler with configurable sleep and task supervision.
DHT sensor library for ESPx	Arduino ESP library for DHT11, DHT22, etc Temp & Humidity Sensors
Dimmable Light for Arduino	This library allows you to command electrical appliances through dimmer (also known as thyristor)
Dimmer class for ATmega32U4	Easy use of 10/12 bit PWM outputs on ATmega32U4 for dimmer applications.
DIO2	Fast digital input/output functions.
DMOscillator	A library that makes easy on/off control on a pin at fixed or dynamic rate.
DMStepper	A library to drive stepper motors.
DMTimer	A library that simplifies non blocking recurrent calls.
DMD2	Updated (beta) library for Freetronics DMD dot matrix displays.
DMXSerial	Enables DMX communication using the built-in serial port for Arduino boards.
DS1307 Emulator	An emulator of the DS1307, which transform the Arduino in an RTC chip without actually having a physical RTC.
DS3232RTC	Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks.
DU-INO	DU-INO base Arduino library.
dwarf433	Arduino libary to transmit arbitrary RF433 signals
eBoard shackle the Arduino	All in one library to run qfixSoccerBoard code on the Arduino
eBtn	A library to handle Buttons based on events.
EEvar	Allows to save your variables in EEPROM memory. Works with any POD (bool, int, float, custom structs) and String. Simple. Lightweight.
E131	E1.31 sACN for AVR Ethernet and ESP8266.
EasyButtonAtInt01	Small and easy to use Arduino library for using push buttons at INT0 and / or INT1 pin using interrupts.Just connect buttons between ground and pin 2 or 3 of your Arduino - that's itNo call of begin() or update() function needed, no polling function to call. No blocking debouncing.
EasyWebServer	An easy-to-use web server
Easyuino	It offers a set of APIs to easily make beginners use several different sensors and devices using only the Easyuino
EducationShield	Library used for the completion of all the projects related to CTC
EEWrap	A convenient library allowing one to use the EEPROM just like RAM.
EEPROM-Storage	Generic class to wrap an EEPROM variable on the Particle and Arduino platforms.
EEPROMWearLevel	EEPROMWearLevel reduces EEPROM wear by writting a new value to an other EEPROM location.
EEPROM_CAT25	Driver for On Semiconductor CAT25 SPI EEPROM chips for AVR, SAM3X (Due), and SAM M0+ (SAMD, SAML, SAMC) microcontrollers
ElectronicsEducation	Arduino libraries and educational materials for workshop
elk	JavaScript engine for microcontrollers
Environment	Read enviroment sensors
Esplora	Grants easy access to the various sensors and actuators of the Esplora. For Arduino Esplora only.
EtherCard	EtherCard is an IPv4 driver for the ENC28J60 chip.
EtherSia	IPv6 library for the ENC28J60, W5500 or W5100 Ethernet controllers
EthernetIndustruino	Library for the Industruino Ethernet module
ezButton	Button library for Arduino
ezOutput	Output library for Arduino
FaBo 201 3Axis ADXL345	A library for FaBo 3AXIS I2C Brick
FaBo 202 9Axis MPU9250	A library for FaBo 9Axis I2C Brick
FaBo 203 Color S11059	A library for FaBo Color I2C Brick
FaBo 204 Baromter MPL115A2	A library for FaBo Barometer I2C Brick
FaBo 205 Proximity VCNL4010	A library for FaBo Proximity I2C Brick
FaBo 206 UV Si1132	A library for FaBo UV I2C Brick
FaBo 207 Temperature ADT7410	A library for FaBo Temperature I2C Brick
FaBo 208 Humidity HTS221	A library for FaBo Humidity I2C Brick
FaBo 209 KTemp MCP3421	A library for FaBo KTemp I2C Brick
FaBo 210 GPIO PCAL6408A	A library for FaBo GPIO I2C Brick
FaBo 211 7Segment LED TLC59208F	A library for FaBo 7Segment LED I2C Brick
FaBo 212 LCD PCF8574	A library for FaBo LCD I2C Brick
FaBo 213 LCD mini AQM0802A	A library for FaBo LCD mini I2C Brick
FaBo 214 OLED EROLED096	A library for FaBo OLED I2C Brick
FaBo 215 RTC PCF2129	A library for FaBo RTC I2C Brick
FaBo 217 Ambient Light ISL29034	A library for FaBo Ambient Light I2C Brick
FaBo 222 Environment BME680	A library for FaBo Environment I2C Brick
FaBo 223 Gas CCS811	A library for CCS811 that getting values of CO2 and TVOC.
FaBo 230 Color BH1749NUC	A library for FaBo Color I2C Brick
FaBo GPIO40 PCA9698	A library for FaBo GPIO.
FaBo Motor DRV8830	A library for FaBo Motor.
FaBo PWM PCA9685	A library for FaBo PWM.
FadeLed	Makes fading LEDs easy
FastGPIO	Faster general-purpose I/O
FDC2214	TI FDC2214 capacitative sensor library
FingerLib	Allows for servo-like functionality for finger control. For Atmega 2560 (Almond PCB) and Arduino Zero (Chestnut) only.
fix_fft	A library for implementing fixed-point in-place Fast Fourier Transform on Arduino. It sacrifices precision and instead it is way faster than floating-point implementations.
Flash	A library to wrap accessing and writing to flash
FlightSimOutputs	Library for easy handling of digital outputs on Midwest737Simulations.com Multi Output card.
FlightSimSwitches	Library for easy handling of Switches and Buttons in X-Plane with PJRC's Teensy
fp64lib	Handcrafted 64-bit floating point routines for AVR/arduino microprocessors.
FreeRTOS	Real Time Operating System implemented for AVR (Uno, Leonardo, Mega).
FreqPeriodCounter	Smart library with comprehensive functions for counting (multiple) frequencies. For Arduino Uno and Zero.
FrequencyDetector	Measure frequency of analog captured signal connected to an Arduino and check for noise and mute.
frt	Lightweight, easy-to-use wrapper around the Arduino_FreeRTOS_Library.
FTOLED	Library to drive Freetronics OLED128 128x128 display.
FTRGBLED	Freetronics RGBLED module (WS2801-based) driver library.
Gamebuino Classic	Create your own games on a fun and retro console.
Gamer	A library for the DIY Gamer Kit by Technology Will Save Us.
GamerIR	Infrared communication library for the DIY Gamer Kit by Tech Will Save Us
Gemelon Pushbutton	Arduino library to debounce a pushbutton.
ghaemShopSmSim	arduino SMS Remote Controler over ghaemShopSmSim protocol
GMSN Pure Digit	This library is used to control the GMSN! Pure Digit.
Goldilocks Analogue DAC Library	DAC (MCP4822) functions for Goldilocks Analogue
Goldilocks Analogue SPI RAM Library	Firmware for SPI solid state memory (including SRAM, FRAM, EEPROM) devices for Goldilocks Analogue
Grove - Air quality sensor	Arduino library to control Grove Air Quality Sensor.
GSM	Enables GSM/GRPS network connection using the Arduino GSM Shield.
GSM-Playground	A library for GSM Playground device.
GUIslice	GUIslice embedded touchscreen GUI library in C for Arduino & Raspberry Pi
HardWire	A spinoff of the Wire. This library allows you to communicate with I2C and Two Wire Interface devices, and control each step of any I2C transaction.
HardwareSerial_RS485	Concurrent multi-drop (i.e. multi-master, multi-slave) RS485 communication library
Hello Drum	Arduino Library for piezo sensing
HLW8012	HLW8012 for Arduino / ESP8216
HV518	Arduino library to control Microchip HV518
IBot	Arduino library for I-Bot camp.
iBotX	Arduino library for "i-Bot X" to be used in i-Bot Camp by Robot Club KMITL (Thailand)
IBusBM	Arduino library for the Flysky/Turnigy RC iBUS protocol - servo (receive) and sensors/telemetry (send) using hardware UART (AVR, ESP32 and STM32 architectures)
iSYNC	A library that makes Internet of Things for iSYNC IoT Cloud Platform.
iSYNC_BC95_Arduino	A network library for BC95 NB-IOT module on Arduino platform (iSYNC.pro platform support).
Infrared	An object oriented library for sending, receiving, generating, and decoding IR signals on the Arduino.
InkyBoard	Bibliotheek om gebruik te maken van het InkyBoard van InkyCode
Iobeam	Client library for using the iobeam cloud.
IRLremote	Lightweight Infrared library for Arduino
IRMP	Receive and analyze infrared signals from your remote
Itty Bitty	With the fastest possible Arduino-compatible GPIO and register manipulation...It's the biggest of hits when you need to bang bits!
IwitVolumeKnob	Library to support the hardware built into many chinese volume knobs (iWit)
JC_Button	Arduino library to debounce button switches, detect presses, releases, and long presses.
jm_CPPM	A CPPM Library for Arduino.
jm_LiquidCrystal_I2C	My enhanced fm_LiquidCrystal_I2C Arduino Library.
jm_Wire	Revisited Arduino Wire Library.
JMAFoundation	A library that provide event response for Arduino.
JMA_SPComm	A library that makes simple communication protocol for Arduino.
JTAG	A library to perform JTAG operations and play XSVF.
KAI Pro Library	Grants easy access to the various species of the Kai Pro.
keyboardButton	Convinient way to map a push-button to a keyboard key. This library utilize the ability of 32u4-based Arduino-compatible boards to emulate USB-keyboard.
KONNEKTING Device Library	A library that enables creating KNX devices powered by Arduino.
LCBUrl	A library to manipulate URL strings
LcdEffects	A library that lets you apply special effects to LCD text.
LCDMenuLib	A library with you can generate a menu`s based on the nested set model with multi layers
LCDMenuLib2	Easy creation of a tree based menu with screensaver and multi layers.
LCD03	A library for I2C control of the LCD03 20x4 and 16x2 serial LCD modules from Robot Electronics.
LCD_ST7032	Arduino library for ST7032 LCD controller with i2c interface
leOS	Simple scheduler that run little tasks within IRSs
leOS2	Simple scheduler based on watchdog that runs little tasks within IRS
LibAPRS_Tracker	A library that turns the aruino into a APRS Packet Sender
LiquidCrystal I2C	A library for I2C LCD displays.
LiquidCrystal_AIP31068	A library for AIP31068 I2C/SPI LCD displays.
LiquidCrystal_I2C_Hangul	A library for printing Hangul on I2C LCD displays.
LiquidMenu	Menu creation Arduino library for LCDs, wraps LiquidCrystal.
LitSwitch	A special library for an LED/momentary switch hardware combination.
LoRaNow	LoRaNow Library is a simple LoRa Node <> Gateway communication protocol.
LocoNet	Enables Digitrax LocoNet Communication
Low-Power	Lightweight power management library
Lynxmotion Smart Servo -LSS-	A library that makes using the LSS simple.
Marceau	This is a library that allows devices to be easily controlled over serial and websockets.
MAX6675 with hardware SPI	A library for MAX6675 thermocouple interface.
mbino	Port of mbed OS 2 APIs to the Arduino platform
MCP3202	Used to interface the 12 bit ADC MCP3202 by Microchip.
MCP3221	MCP3221 Driver (12-bit ADC with hardware I2C Interface)
MCP79412RTC	Arduino library for the Microchip MCP79411/12 Real-Time Clock/Calendar.
MCP9800	Arduino Library for Microchip MCP9800/1/2/3 2-Wire High-Accuracy Temperature Sensors.
MCP9802	MCP9802 Driver (12-BIT Temperature Sensor with I2C Interface)
MCP9808	Arduino Library for Microchip MCP9808 Maximum Accuracy Digital Temperature Sensor.
Melt7SegLcd	Melt 7-segment LCD Arduino library.
MFRC522	Arduino RFID Library for MFRC522 (SPI)
MFRC522-spi-i2c-uart-async	Arduino RFID Library for MFRC522 (SPI, I2C and UART) with asynchroneous callbacks
MicroDebug	Arduino debugging support library
MicroTone	low-flash high-performance pulse train library with attiny13
microgear-nbiot	NETPIE client library for BC95 NB-IOT module on Arduino platform.
MideaIRWrapper	A library that makes, easier work with Midea Air Conditioners.
MIDIUSB	Allows an Arduino board with USB capabilites to act as a MIDI instrument over USB.
MINDSi	Code to assist with running MINDSi robots
MINDS-i-Drone	Code to assist with running MINDS-i Drones
Mirobot	This is the library that makes Mirobot (http://mirobot.io) work.
MMA7455 sensor Library	Freescale MMA7455 accelerometer sensor library
MMA8453_n0m1	an Arduino Library for the Freescale MMA8453Q & MMA8452Q accelerometer.
MobaTools	Functions (steppers, servos, leds) for model railroaders( and for others too )
ModbusRTU_Slave	A library package commonly used by the other libraries being published by Geabong
ModbusRTU_Slave_RS485	A library package for ARDUINO acting as ModBus slave communicating through UART-to-RS485 converter. Originally written by Geabong github user. Improved by Łukasz Ślusarczyk.
ModuleInterface	ModuleInterface is an open-source system for configuration of and data logging from Arduinos and similar devices.
Motor Driver Library	Motor Driver Library for Arduino Shields with L293D and 74HC595
MotorVID28	A library for controlling VID28 or equivalent stepper motors (BKA30D-R5, X25).
movingAvg	A simple Arduino library for calculating moving averages.
MPU6050	MPU6050 Arduino Library.
MQUnifiedsensor	This library allows you to read the MQ sensors very easily.
msTask	Use hardware Timer1 to run tasks in time preset
MSGEQ7	Library for Musicvisualization with MSGEQ7
MultiTrans	This library is an implementation of a multi channel transceiver (optionally via IR)
MultitapKeypad	A library (driver) for matrix 4x3 or 4x4 keypad supports multi-tap and long-tap.
MX1508	A library that makes using mx1508 dual DC motor driver easier.
my92xx	MY9291 and MY9231 LED driver library for Arduino AVR and ESP8266
NanoPlayBoard	Enables easy access to the sensors and actuators of the Arduino NanoPlayBoard.
NeoGPS	NMEA and ublox GPS parser, configurable to use as few as 10 bytes of RAM
NeoPatterns	Patterns for NeoPixel strips and matrixes including the patterns of the NeoPattern Example by Adafruit.
NeoSWSerial	An efficient replacement for SoftwareSerial at baud rates 9600, 19200 and 38400.
Neurona	Artificial Neural Network architectures for Arduino
Nintendo	Connect all your favourite Nintendo Controllers to your Arduino.
NoDelay	Arduino library to make use of the Millis funtion for non Blocking Delays.
Nova Fitness Sds dust sensors library	A high-level abstaction over Sds sensors family
Nova_SDS011 Sensor Library	Nova SDS011 dust sensor library
NRFLite	nRF24L01+ library requiring very little code along with YouTube videos showing all available features.
OneWireNg	Arduino 1-wire service library
OPC	A library for Arduino OPC Server support.
OpenDevice	OpenDevice is a set of tools and APIs to build solutions for the "Internet of Things" like home automations systems, robotics, smart city, energy monitoring, security, sensor monitoring
Opentherm	Arduino library to send and receive data from Opentherm devices.
OSFS	An Overly Simplified FileSystem for storing thing in the Arduino's EEPROM
Ospom	Ospom is FaceBook for your Arduino.
Parse Arduino SDK	A library that provides access to Parse
PCA9536	PCA9536 Driver (4-Channel GPIO I2C Expander)
PCA9536_RGB	PCA9536 RGB LED Driver
PCM	Playback of short audio samples.
PF	Petit FatFS for Arduino avr MCUs. to drive SD cards
PGMWrap	A convenient library allowing structures and variables stored in PROGMEM to be read directly.
PHPoC	PHPoC Ethernet/WiFi Shield for Arduino
PHPoC Expansion	PHPoC Expansion library for Arduino
Pin	An easy to use Arduino library for fast and simultaneous operations on Arduino I/O pins.
PinChangeInterrupt	A simple & compact PinChangeInterrupt library for Arduino.
Pinduino	Infterface library for pinduino
ping-arduino	A messaging and device api for the Blue Robotics Ping1D echosounder
PJON	PJON is an open-source, multi-master, multi-media bus network protocol
PLS7 shield	Arduino shield with various I/O devices
PololuRPiSlave	Pololu Raspberry Pi I2C Slave Arduino library
PPMEncoder	A library to encode/generate a PPM signal for controlling RC Cars, etc...
PrinterDuino	The simplest library to print in paper using 3 axis
Printoo_Library	The library for the Printoo modules.
ProcessScheduler	An OOP multitasking library
programmable_air	Basic functions to control the Programmable-Air board.
PS2KeyAdvanced	PS2 keyboard FULL control and ALL keys processing, as well as LED control.
PS2KeyMap	PS2 keyboard codes from PS2KeyAdvanced to UTF-8 for any Latin language keyboard.
PS2KeyRaw	PS2 keyboard control and raw data receiving
ps2dev	Library to emulate PS2 keyboard/mouse using arduino
PWMFreak	Configures the PWM frequency on a pin
Quirkbot	Allows you to program Quirkbots.
RBD_Button	Read and debounce buttons and switches.
RBD_Capacitance	Measure change in capacitance.
RBD_HumanSensor	Detect human presence, touch, and pickup events.
RBD_Light	Control many lights.
RBD_LightSensor	Read and calibrate photoresistors.
RBD_Motor	Control many motors without delay.
RBD_SerialManager	A simple interface for serial communication.
RBD_Servo	Control many servos without delay.
RBD_Threshold	Set and check numeric quantile scales.
RBD_Timer	Manage many timed events.
RBD_WaterSensor	Measure and calibrate water level sensors.
RBL_nRF8001	An Arduino library for the nRF8001 products such as the BLE Shield and Blend.
RCReceiver	A library to add support for rc receivers.
rc-switch	Operate 433/315Mhz devices.
RC_ESC	A library to use ESC with the Arduino platform.
RCLSwitch	Compact version of RC Switch
RF24	A library for NRF24L01(+) communication.
RF24G	A simple way for up to 6 nRF24L01 radios to communicate with each other.
RF24Mesh	A library for NRF24L01(+) devices mesh.
RF24Network	A library for NRF24L01(+) devices network.
RingBuf	A library for buffering items into a ring (circular/FIFO) buffer
RingBufCPP	A library for buffering items into a ring (circular/FIFO) buffer
ROKduino	Allows control of Rokenbok Education ROKduino robotics system.
Robopoly Bluetooth	This library allows you to use the bluetooth module on the Robopoly Shield.
Robopoly Linear Camera	This library allows you to get data from the Robopoly Linear Camera.
Robopoly PRismino	This library allows you to use all the functions of the Robopoly PRismino and the Robopoly Shield.
Robopoly RomeEnco	This library allows you to read up to four encoders at the same time.
Robot Control	Enables easy access to the controls of the Arduino Robot Control board. For Arduino Robot only.
Robot IR Remote	Allows controlling the Arduino Robot via an IR remote control. For Arduino Robot only.
RobotLib	A robotics library to simplify implementing generic robotics hardware.
Robot Motor	Enables easy access to the motors of the Arduino Robot Motor board. For Arduino Robot only.
RokitSmart	A library for RokitSmart users
Romi32U4	Romi 32U4 Arduino library
Rosserial Arduino Library	Use an Arduino as a ROS publisher/subscriber
RS485HwSerial	Enhanced Arduino serial library with RS485 transmit enable control.
RTCTimer	An Arduino library to easily perform scheduled tasks.
Rtttl	A library that plays Rtttl melodies
SDS011 sensor Library	Nova Fitness SDS011 dust sensor library
SDS011_vers	A library for NovaFitness SDS011 Particle Matter Sensor
SensorToButton	An algorithm to convert analog Data into a Button.
Servo	Allows Arduino/Genuino boards to control a variety of servo motors.
ServoEasing	Enables smooth servo movement. Linear as well as other (Cubic, Circular, Bounce, etc.) ease movements for servos are provided. The Arduino Servo library or PCA9685 servo expanders are supported.
Servo Hardware PWM	Allows Arduino/Genuino Mega boards to control up to 9 servos with the integrated 16-bit hardware PWM timer/counter.
SevenSeg4D	Library for driving a 4 digit 7segment LED display screen with 2 HC595 shift registers
ShiftRegister-PWM-Library	Makes shift register pins PWM capable.
shift7seg	A library to simplify the use of 74hc595 serial in/parallel out shift registers as drivers for a 4 digit 7 segment display.
simpleRPC	Simple RPC implementation for Arduino.
Sleep_n0m1	A library that sets the Arduino into sleep mode for a specified length of time, or until an interrupt
SmallSetup	Optimize the Arduino setup routines.
SmartMatrix3	Drive multiplexed RGB matrix panels from your Teensy 3
SmartRC-CC1101-Driver-Lib	Driver for cc1101.
Sodaq_PcInt	An Arduino library to deal with PCINT (Pin Change Interrupts)
Sodaq_wdt	An Arduino wrapper for the Watch Dog Timer.
SoftModem	Audio Jack Modem Library for Arduino.
SoftPWM	A software library to produce a 50 percent duty cycle PWM signal on arbitrary pins.
SoftwareReset	Allow to reset an arduino board from the sketch
souliss	SmartHome Networking Framework
SpacebrewYun	Enables the communication between interactive objects using WebSockets. For Arduino Yún only.
SparkFun Graphic LCD Serial Backpack	Library containing functions for SparkFun Graphic LCD Serial Backpack
SparkFun Quadstepper Motor Driver	4-axis stepper motor driver, available from SparkFun Electronics
SparkFun TLC5940	Library for the TLC5940 IC.
Sparkfun T5403 Barometric Sensor Library	Arduino Library for interfacing with the T5403 Barometric sensor.
SpheroRVR	This library allows you to communicate with a Sphero RVR using an Arduino Uno.
SPI-DAC7611	A library that interfaces with the DAC7611 using the standard SPI library.
SPIMemory	SPI Memory library for Arduino. (Formerly SPIFlash)
SST25VF	Arduino Library for controlling the SST Nor Serial Flash SST25VF family.
StepperControl	Stepper Motor Controller for 28BYJ-48.
StereoSID	MOS6581 Stereo SID Emulator Arduino Library
StivSeg	Multi-digit seven-segment display library for arduino.
STM32duino IIS2MDC	Ultra Low Power 3D magnetometer.
STM32duino ISM330DLC	3D accelerometer and 3D gyroscope.
STM32duino LIS2DW12	Ultra Low Power 3D accelerometer.
STM32duino LIS2MDL	Ultra Low Power 3D magnetometer.
STM32duino LPS22HH	Nano pressure sensor.
STM32duino LSM6DSO	Ultra Low Power inertial measurement unit.
STM32duino LSM6DSOX	Ultra Low Power inertial measurement unit.
STM32duino Proximity Gesture	Allows performing simple gestures detection using proximity sensors
STM32duino ST25DV	Allows controlling the NFC ST25DV
STM32duino STTS22H	digital temperature sensor.
STM32duino STTS751	digital temperature sensor.
STM32duino VL53L1X	Allows controlling the VL53L1X (Time-of-Flight and gesture detection sensor)
STM32duino VL6180X	Allows controlling the VL6180X (proximity and ambient light sensing (ALS) sensor)
STM32duino X-NUCLEO-53L1A1	Allows controlling the VL53L1X sensors on board of X-NUCLEO-53L1A1
STM32duino X-NUCLEO-6180XA1	Allows controlling the VL6180X sensors on board of X-NUCLEO-6180XA1
STM32duino X-NUCLEO-IKS01A3	Allows controlling the ST X-NUCLEO-IKS01A3 expansion board
STM32duino X-NUCLEO-NFC04A1	Allows controlling the ST X-NUCLEO-NFC04A1 expansion board
SwissHandmade MiniPirate	Commandline for GPIO, I2C and CPU manipulations
Switch	Arduino library for deglitching and debouncing switches and buttons.
Syncano Arduino Library	A library that provides access to Syncano
TVout	A library for generating PAL or NTSC video output with an AVR.
TactNecklace	Arduino Library receives acceleration data from acclerometer, outputting a signal of varying srength to the vibrators
Talk2	Library for the Talk2 Boards.
Talkie	Speech library for Arduino.
TCA6416A	Arduino library for operating TCA6416A.
Technoshield-ui-lib	Technoshield User Interface API.
TEE UC20 Shield	Library for Quectel UC20 3G Shield and Quectel UC15 3G Module for Arduino Board.
TheThingsNode	The Things Node Arduino Library.
ThermistorLibrary	This library allows you to read the thermistors very easily.
ThinSat Program TSLPB Library	A driver library for the Twiggs Space Lab Payload Board
ThingSpeak	ThingSpeak Communication Library for Arduino, ESP8266 & EPS32
ThingSpeak_asukiaaa	An API manager for ThingSpeak
Thread	Simplest kernel for multythreading.
TimeInterrupt	Allows for timer interrupts on various platforms.
TimedPID	PID controller
TimerFa	Software Timer
TimerFive	Use hardware Timer5 for finer PWM control and/or running an periodic interrupt function
TimerFour	Use hardware Timer4 for finer PWM control and/or running an periodic interrupt function
TimerFour32u4	Allow usage of the 10-bit hardware high speed Timer4 on ATMega16u4 and ATMega32u4.
TimerInterrupt	This library enables you to use Interrupt from Hardware Timers on an Arduino, such as Nano, UNO, Mega, etc.
TimerOne	Use hardware Timer1 for finer PWM control and/or running an periodic interrupt function
TimerThree	Use hardware Timer3 for finer PWM control and/or running an periodic interrupt function
Timezone	Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.
TinySnore	Library for putting ATtiny25/45/85 to timed sleep in one line of code!
tinySPI	tinySPI is an Arduino SPI master library for ATtiny24/44/84, 25/45/85, 261/461/861, 2313/4313 MCUs.
TinySuite	A collection of tools for ATTiny85
TMRpcm	PCM/WAV Audio playback
TM1638lite	Interface library from Arduino to TM1638 display chip/card
TMCStepper	Arduino library for Trinamic stepper drivers
TMC2130Stepper	Arduino library for Trinamic TMC2130 stepper drivers
TMC2208Stepper	Arduino library for Trinamic TMC2208 stepper drivers
Tone	A software digital square wave tone generation library.
toneAC	Replacement to the standard tone library with many advantages
ToneLibrary	This is an Arduino Library to produce a tone on any Arduino pin.
TouchWheel	Capacitive touch wheels and sliders using only 2-3 analog pins!
TriacDimmer	A library for controlling a triac dimmer.
Tsunami	Library for interfacing with the Tsunami's hardware peripherals.
Tuyav	Communicate with the Tuya IoT module
uArmLibrary	uArm Library for Arduino
uMT	Micro Multi Tasker specifically designed for ARDUINO UNO, MEGA and DUE boards.
uMulti	Cooperative multitasking for the AVR line of microcontrollers.
U8glib	A library for monochrome TFTs and OLEDs
UARDECS Library	A library that provides communication functions conforming to UECS, a common standard for horticulture in Japan.
UARDECS_MEGA Library	A library that provides communication functions conforming to UECS, a common standard for horticulture in Japan.
UltraSonic_Lib	A library for UltraSonic distance sensor.
Uno WiFi Developer Edition Serial1	Implements Serial1 of Arduino Uno WiFi Developer Edition board to access the on-board ESP8266
USBStatus	Allows an Atmega32u4 based Arduino board to detect if the host, it is connected to, is active or shut down.
USBMIDI	USB MIDI library for Arduino.
USIWire	USI based TWI/I2C library for Arduino
VariableTimedAction	A library for creating timed events/actions.
vbus-arduino	Allows arduino to read data from some vbus compatible controllers.
VGAX	VGA signal generator for UNO and MEGA
VGAXUA	VGA UART signal generator for UNO and MEGA
VitconCommon	A library package commonly used by the other libraries being published by vitcon
VitconIOT	A library for interfacing arduino device with VITCON IoT service.
VitconLink	A library package for interfacing the microcontroller with VITCON Link modules.
VitconMQTT	A library for interfacing arduino-based device with MQTT using VITCON WIFI-LINK.
VNH3SP30	Library for the VNH3SP30 and VNH5019A-E motor controllers (H-bridge motor driver)
Volume	Gives tone functionality with 8 bit volume control with no extra parts
Volume 3	Gives tone functionality with 10-bit volume control with no extra parts!
Volume2	Gives tone() functionality with multiple waveforms and 8-bit volume control - with no extra parts!
VS1053 for use with SdFat	Device library interfacing VS1053 MP3 player chip to Sd Card.
VSCP	Very Simple Control Protocol L1 framework for all Arduino boards.
Watch	A library that makes working with watch-like formats easy.
WatchDog	WatchDog Timer Functions
Watchdog	Use Watchdog to execute a function and/or reset the microcontroller.
WaveHC	WaveHC wave shield library
WiFiSpi	Arduino WiFi library connecting ESP8266 via SPI protocol
xbee_serial_array	sends and receive string data in mode api with variable length.
XLR8ADC	Arduino library to take advantage of XLR8 ADC performance.
XLR8AddrPack	Arduino header file defining addresses common to the XLR8 family.
XLR8BuildTemplate	Template for building custom designs for XLR8
XLR8Core	OpenXLR8 Core components
XLR8DMem	Access library for XLR8 DMem XB
XLR8DigitalIO	Arduino library for access to the extra pins available on an XLR8 Snō.
XLR8Float	Arduino library for hardware accelerated floating point math.
XLR8HardwareSerial	Library to access UART XBs.
XLR8Info	Arduino library for identifying features of XLR8 product
XLR8LFSR	Simple LFSR example on the XLR8 FPGA.
XLR8NeoPixel	Arduino library for controlling single-wire-based LED pixels and strip.
XLR8Pong	Pong game using the FPGA logic. For Alorium Technology's XLR8 board.
XLR8PWM	OpenXLR8 implementation of PWM
XLR8Quadrature	Arduino library for hardware accelerated quadrature encoder control.
XLR8RC	Captures outputs from an RC receiver (the signals that go to servos) and outputs a 16 bit integer representing the pulse width (in microseconds)
XLR8Servo	Allows Arduino boards to control a variety of servo motors. For Alorium Technology's XLR8 board.
XLR8SPI	Library to use SPI interfaces through SPI XBs.
XLR8USB	USB FullSpeed (Mouse) host interface
XLR8Wire	Library to access I2C XBs.
Yet Another Arduino PcInt Library	A library to support Pin Change Interruptions (PCINT) on AVR Arduinos
ZumoAutomation	Arduino library to allow for automatic zumo match play
ZumoShield	Arduino library for the Pololu Zumo Shield and Zumo robot kit for Arduino
Zumo32U4	Zumo 32U4 Arduino library