A list of the 250 libraries that are licensed with the NOASSERTION license.

aREST RESTful API for the Arduino platform.
AStar32U4 A-Star 32U4 Arduino library
A4990MotorShield Arduino library for the Pololu A4990 Dual Motor Driver Shield
AccelStepper Allows Arduino boards to control a variety of stepper motors.
Accelerometer And Gyroscope LSM6DS3 Arduino library to control Grove 6 Axis Accelerometer&Gyroscope LSM6DS3.
AD57X4R Provides an SPI based interface to the AD5724R, AD5734R, and the AD5754R Quad 12-/14-/16-Bit Unipolar/Bipolar Voltage Output DACs.
AD7173 Arduino library for Analog Devices AD7173 analog digital converter
Adafruit ADS1X15 Driver for TI's ADS1015: 12-bit Differential or Single-Ended ADC with PGA and Comparator
Adafruit ADT7410 Library Arduino library for the ADT7410 sensors in the Adafruit shop
Adafruit ADXL343 Unified driver for the ADXL343 Accelerometer
Adafruit ADXL345 Unified driver for the ADXL345 Accelerometer
Adafruit APDS9960 Library This is a library for the Adafruit APDS9960 gesture/proximity/color/light sensor.
Adafruit BMP3XX Library Arduino library for BMP3XX series temperature/pressure sensors
Adafruit CC3000 Library Library code for Adafruit's CC3000 WiFi breakouts.
Adafruit Fingerprint Sensor Library Arduino library for interfacing to the fingerprint sensor in the Adafruit shop
Adafruit FRAM I2C Driver for Adafruit's I2C-Based FRAM Breakouts
Adafruit FRAM SPI Driver for Adafruit's SPI-Based FRAM Breakouts
Adafruit GFX Library Adafruit GFX graphics core library, this is the 'core' class that all our other graphics libraries derive from.
Adafruit GPS Library An interrupt-based GPS library for no-parsing-required use
Adafruit Graphic VFD Display Library Adafruit's 128x64 Graphic VFD Display Library
Adafruit HX8340B Adafruit 2.2" TFT with SPI interface and microSD card holder
Adafruit INA219 INA219 Current Sensor
Adafruit IO Arduino Arduino library to access Adafruit IO.
Adafruit LIS3DH Library for the Adafruit LIS3DH Accelerometer.
Adafruit MAX31855 library Library for the Adafruit Thermocouple breakout with MAX31855K
Adafruit MCP23017 Arduino Library Library for the MCP23017 I2C Port Expander
Adafruit MCP4725 MCP4725 12-bit I2C DAC
Adafruit MCP9808 Library Arduino library for the MCP9808 sensors in the Adafruit shop
Adafruit MMA8451 Library Arduino library for the MMA8451 Accelerometer sensors in the Adafruit shop
Adafruit Motor Shield V2 Library Library for the Adafruit Motor Shield V2 for Arduino. It supports DC motors & stepper motors with microstepping as well as stacking-support.
Adafruit MPL115A2 Driver for the Adafruit MPL115A2 barometric pressure sensor breakout
Adafruit MPL3115A2 Library Arduino library for the MPL3115A2 sensors in the Adafruit shop
Adafruit PCD8544 Nokia 5110 LCD library Arduino driver for PC8544, most commonly found in small Nokia 5110's
Adafruit PN532 Arduino library for SPI and I2C access to the PN532 RFID/Near Field Communication chip
Adafruit PWM Servo Driver Library Adafruit PWM Servo Driver Library
Adafruit RGB LCD Shield Library Library for the Adafruit RGB 16x2 LCD Shield.
Adafruit SGP30 Sensor This is an Arduino library for the Adafruit SGP30 Gas / Air Quality Sensor
Adafruit SSD1306 SSD1306 oled driver library for monochrome 128x64 and 128x32 displays
Adafruit SSD1306 Wemos Mini OLED SSD1306 oled driver library for Wemos D1 Mini OLED shield
Adafruit SSD1325 SSD1325 monochrome OLED library
Adafruit SSD1331 OLED Driver Library for Arduino For 0.96" OLEDs in the Adafruit shop
Adafruit SSD1351 library Adafruit library for the 1.27" and 1.5" color OLEDs in the shop
Adafruit TCS34725 Driver for Adafruit's TCS34725 RGB Color Sensor Breakout
Adafruit TinyRGBLCDShield Adafruit_RGBLCDShield library ported to Trinket/Gemma
Adafruit TLC5947 Adafruit's Arduino driver for the TLC5947 PWM LED Driver Breakout.
Adafruit_VCNL4010 Sensor driver for VCNL4010 IR proximity sensor
AMIS30543 AMIS-30543 SPI stepper motor driver library
Analog-Digital Multiplexers Arduino library for controlling analog/digital multiplexers (A/D mux).
ANT-Arduino Library for talking to various ANT radios from Dynastream Innovations.
ANTPLUS-Arduino Library for easy ANT+ integration
APA102 APA102/SK9822 LED strip library
AppleMIDI AppleMIDI (rtpMIDI) protocol for Arduino
Arduboy The Arduboy core library.
ArduboyPlaytune A library for playing musical scores and tones that is compatible with the Arduboy game system.
Arduboy2 An alternative library for use with the Arduboy game system.
ArduinoIoTCloud This library allows to connect to the Arduino IoT Cloud service.
ArduinoIoTCloudBearSSL Port of BearSSL to Arduino.
Array An array container similar to the C++ std::array
AzureIoTHub Azure IoT library for Arduino. For the Arduino MKR1000 or Zero and WiFi Shield 101, Adafruit Huzzah and Feather M0, or SparkFun Thing.
Balboa32U4 Balboa 32U4 Arduino library
BridgeHttpClient A practical and easy to use generic HTTP client library for the Yun.
CayenneMQTT Connect a device to the Cayenne dashboard using MQTT.
CmdMessenger A serial messaging library for the Arduino and .NET/Mono platform.
CoAP simple library Simple CoAP client/server library for generic Arduino Client hardware.
Constellation Arduino/ESP library for Constellation 1.8
CoogleIOT An IOT library for ESP8266 to provide WiFi Configuration, MQTT Client, OTA updates and more.
Crypto Rhys Weatherley's arduinolibs Crypto library.
CryptoAuthLib MicroChip CryptoAuthLib with Arduino support
DABDUINO Library for controlling DABDUINO - DAB/DAB+ (digital radio) shield
DAC7611 A library that makes interfacing the DAC7611p a breeze.
DecodeIR A library for decoding IR signals.
DigitLedDisplay MAX7219/MAX7221 Digital Tube 7-Segment LED Display Library
DIO2 Fast digital input/output functions.
DMXSerial Enables DMX communication using the built-in serial port for Arduino boards UNO, Leonardo, Mega.
DMXSerial2 Enables building DMX/RDM devices using the built-in serial port for Arduino boards UNO, Leonardo, Mega.
DPS310 This library provides an interface to communicate with the DPS310.
DropboxManager Manipulate your Dropbox files by ESP8266
DRV8835MotorShield Arduino library for the Pololu DRV8835 Dual Motor Driver Shield
DualG2HighPowerMotorShield Arduino library for the Pololu Dual G2 High Power Motor Driver Shields
DualMAX14870MotorShield Arduino library for the Pololu Dual MAX14870 Motor Driver Shield
DualMC33926MotorShield Arduino library for the Pololu Dual MC33926 Motor Driver Shield
DualTB9051FTGMotorShield Arduino library for the Pololu Dual TB9051FTG Motor Driver Shield
DualVNH5019MotorShield Arduino library for the Pololu Dual VNH5019 Motor Driver Shield
EasyDDNS ESP8266 DDNS Update Client Library.
EasyUI ESP8266 User Interface Library.
EasyVR A library for the EasyVR line of products.
EEPROMEx Extension of the standard Arduino EEPROM library.
Embedis An Embedded Dictionary Server.
ESP8266 and ESP32 Oled Driver for SSD1306 display A I2C display driver for SSD1306 oled displays connected to an ESP8266 or ESP32
ESPUI ESP32 and ESP8266 Web Interface Library
EtherSia IPv6 library for the ENC28J60, W5500 or W5100 Ethernet controllers
Ethernet2 Enables network connection (local and Internet) using W5500 based Ethernet shields.
extEEPROM Arduino library to support external I2C EEPROMs.
FastGPIO Faster general-purpose I/O
FatFs FAT file system based on open-source FatFS solution.
Gadgetron Libraries Collection of Libraries for the Gadgetron software.
GroveEncoder Grove Encoder Library
HalfStepper An Arduino library to enable half-stepping and single/dual phasing for step motors.
Heltec ESP32 Dev-Boards Library for Heltec ESP32 (or ESP32+LoRa) based boards
HT1621 A library for HT1621 based 7-seg LCDs.
Itty Bitty With the fastest possible Arduino-compatible GPIO and register manipulation...It's the biggest of hits when you need to bang bits!
JPEGDecoder Jpeg decoder tested with Arduino Mega, Arduino Due and ESP8266 based NodeMCU 1.0
JrkG2 Jrk G2 library for Arduino
kRPC Client library for kRPC, a Remote Procedure Call server for Kerbal Space Program.
Kniwwelino KniwwelinoLib Base Library for the Kniwwelino Board
L3G Arduino library for Pololu L3G4200D, L3GD20, and L3G4200D boards
LedControl A library for the MAX7219 and the MAX7221 Led display drivers.
libedge A client library for MQTT messaging.
LiquidCrystal_PCF8574 A library for driving LiquidCrystal displays (LCD) by using the I2C bus and an PCF8574 I2C adapter.
LircPlayer101 Infrared bitbanger for Arduino 101
LIS3MDL LIS3MDL magnetometer library
LMP91000 Arduino library for the LMP91000 Configurable Potentiostat for Low-Power Chemical Sensing Applications.
LocoNet Enables Digitrax LocoNet Communication
LPS Arduino library for Pololu LPS25H and LPS331AP boards
LSM303 Arduino library for Pololu LSM303 boards
LSM6 LSM6 accelerometer and gyro library
MakerVision Arduino library used by Scratch generated code on
Marceau This is a library that allows devices to be easily controlled over serial and websockets.
MatrizLed Librería para matrices de leds de 8x8 con controladores MAX7219 o MAX7221.
MAX6626 Arduino Library for MAX6626.
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.
MCP9808 Arduino Library for Microchip MCP9808 Maximum Accuracy Digital Temperature Sensor.
MCUFRIEND_kbv TFT Library for 2.4, 2.8, 3.5, 3.6, 3.95 inch mcufriend UNO Shields
MiCS6814-I2C MiCS-6814 Gas Sensor I2C Interface Library
MicroGamer A library for content creation on the Micro:Gamer gaming platform
micro Maqueen Simple library for the DF Robot micro:Maqueen BBC Micro:Bit Robot
MillaMilla DS7505 Library Arduino library for the DS7505 temperature sensor.
miniDAC Library for Arduino miniDAC module by Tamojit Saha and Sandeepan Sengupta.
Mirobot This is the library that makes Mirobot ( work.
ModuleInterface ModuleInterface is an open-source system for configuration of and data logging from Arduinos and similar devices.
MOVI Voice Dialog Shield This is the Arduino library for the MOVI(tm) Voice Dialog Shield.
MPR121 Proximity capacitive touch sensor controller Arduino library.
NeoPixel Painter Arduino library for easy creation of LED strip animations, based on the NeoPixel library.
NtpClientLib Ntp Client Library
Oregon Decode data from Oregon sensors.
OSC Open Sound Control (OSC)
Parse Arduino SDK A library that provides access to Parse
PCA9685 PCA9685 16-channel 12-bit PWM controller.
Phant A simple interface to post data to a phant stream.
PJON PJON is an open-source, multi-master, multi-media bus network protocol
PololuHD44780 C++ library for the Arduino IDE that allows you to control an LCD that uses the Hitachi HD44780 protocol.
PololuLedStrip Arduino library for addressable RGB LED strips from Pololu
PololuMaestro Pololu Maestro Servo Controller library for Arduino
PololuQik Arduino library for the Pololu qik dual serial motor controllers
PololuRPiSlave Pololu Raspberry Pi I2C Slave Arduino library
Progetto One Pin Keypad A library to use the One Pin Keypad.
ProtoCentral ADS1220 24-bit ADC Library Library for the ProtoCentral ADS1220 breakout board
ProtoCentral FDC1004 Capacitive Sensor Library Library for the ProtoCentral FDC1004 breakout board
ProtoCentral MAX30205 Body Temperature Sensor Library This is a library for the ProtoCentral MAX30205 Body Temperature Sensor
Pubnub Pubnub SDK for Arduino.
Pushbutton Pushbutton library for Arduino
QTRSensors Arduino library for the Pololu QTR Reflectance Sensors
r89m Buttons A library that makes working with buttons simple.
r89m CapacitiveButton Handle CapacitiveButtons, powered by the CapacitiveSensor library
r89m MPR121Button Handle MPR121Buttons, powered by Adafruit's MPR121 library
r89m PushButton Handle PushButtons, debounced using the Bounce2 library.
Radio Library for controlling FM radio receiver chips.
RFExplorer 3GP IoT Library reference for RFExplorer 3GP IoT
RoboCore - Serial Relay Library for the Serial Relay module (
Romans Audio RARGBLED Library Arduino lib for RGB LEDs
Romi32U4 Romi 32U4 Arduino library
RotaryEncoder Use a rotary encoder with quadrature pulses as an input device.
SDS011_vers A library for NovaFitness SDS011 Particle Matter Sensor
Serial Controlled Motor Driver Use this to command the SCMD and connected chain.
SoftwareReset Allow to reset an arduino board from the sketch
SparkFun AK9750 Human Presence Sensor Library Library for the AK9750 PIR Human Presence Qwiic Board
SparkFun APDS9960 RGB and Gesture Sensor Library for the Avago APDS-9960 sensor
SparkFun AS726X A library to drive the AMS AS726X NIR/VIS Spectrum Sensor
SparkFun ATSHA204 Library Library for the ATSHA204 IC.
SparkFun Bar Graph Library Provides functionality of 10-segment bar graphs.
SparkFun BH1749NUC Arduino Library Library for the BH1749NUC color sensor on the SparkFun Qwiic RGB Sensor
SparkFun BME280 A library to drive the Bosch BME280 Altimeter and Pressure sensor
SparkFun BNO080 Cortex Based IMU Library for the SparkFun Qwiic VR IMU - BNO080/BNO085
SparkFun CCS811 Arduino Library An Arduino library to drive the AMS CCS811 by I2C.
SparkFun ePaper Arduino Library Library for SparkFun ePaper displays
SparkFun Haptic Motor Driver Library for the DRV2605L Haptic Motor Driver
SparkFun HM1X Bluetooth Arduino Library Library for the HM-12 and HM-13 Bluetooth 4.0 modules
SparkFun HTU21D Humidity and Temperature Sensor Breakout HTU21D temperature and humidity densor breakout.
SparkFun I2C GPS Reading and Control Library for the SparkFun Qwiic I2C GPS Module
SparkFun ISL29125 Breakout Arduino library showing basic functionality for the ISL29125 RGB Light Sensor Breakout Board.
SparkFun Line Follower Array Library to operate the 8 position line sensor array for robots.
SparkFun LIS3DH Breakout A library to drive the STmicro LIS3DH by SPI or I2C.
SparkFun LP55231 Breakout A library to control the Texas Instruments LP55231 9-channel LED driver.
SparkFun LSM6DS3 Breakout A library to drive the STmicro LSM6DS3 by SPI or I2C.
SparkFun LSM9DS0 Breakout Library for the 9 degree of freedom IC -ST Micro's LSM9DS0.
SparkFun LSM9DS1 IMU A driver library for the LSM9DS1 IMU.
SparkFun LTE Shield Arduino Library Library for the SparkFun LTE Shield -- based on the u-blox SARA-R410M-02B
SparkFun MAX3010x Pulse and Proximity Sensor Library Library for the MAX30102 Pulse and MAX30105 Proximity Breakout
SparkFun MAX31855K Thermocouple Digitizer K type thermocouple digitizer board.
SparkFun MetaWatch A simple library to interface from Arduino to BlueSMiRF to MetaWatch
SparkFun MiniGen SparkFun MiniGen library allows the user to generate sine, square, or triangle waves at up to 3MHz, and approximately 1Vp-p.
SparkFun MiniMoto Arduino Library for the SparkFun MiniMoto board, which uses the TI DRV8830 IC for I2C low-voltage DC motor control.
SparkFun MLX90632 Noncontact Infrared Temperature Sensor Library for the SparkFun Qwiic Noncontact Thermo Sensor - MLX90632
SparkFun MMA8452Q Accelerometer Basic I2C functionality of the MMA8452Q Accelerometer Breakout (
SparkFun MS5803-14BA Pressure Sensor Library for MS5803-14BA Pressure Sensor.
SparkFun PCA9536 Arduino Library Library for the PCA9536 on the SparkFun Qwiic RGB Sensor
SparkFun Qwiic LED Stick Library Library for the SparkFun Qwiic LED Stick
SparkFun Qwiic MP3 Trigger Arduino Library Library for the SparkFun Qwiic MP3 Trigger
SparkFun Qwiic OpenLog Library for the SparkFun Qwiic OpenLog
SparkFun Qwiic RTC RV1805 Arduino Library A library to drive the RV-1805 extremely precise, extremely low power, real-time clock
SparkFun Qwiic Twist Arduino Library Library for the SparkFun Qwiic Twist Digital Encoder
SparkFun RedBot Library Provides control to the SparkFun RedBot.
SparkFun RFD77402 Distance Sensor - VCSEL Time of Flight Library for the SparkFun Qwiic Distance Sensor - RFD77402
SparkFun SCD30 Arduino Library Library for the Sensirion SCD30 CO2 Sensor
SparkFun SGP30 Arduino Library Library for the Sensirion SGP30 air quality sensor
SparkFun Si7021 Humidity and Temperature Sensor Library for Si7021 Humidity and Temperature Sensor.
SparkFun Simultaneous RFID Tag Reader Library Library for the NANO M6E RFID Module from ThingMagic
SparkFun Spectral Triad AS7265X An Arduino library for the AS7265x Triple Spectroscopy Sensor Board
SparkFun TSL2561 An Arduino Library for the TSL2561 Luminosity Sensor Breakout from SparkFun Electronics.
SparkFun Ublox Arduino Library Library for I2C and Serial Communication with Ublox modules
SparkFun VCNL4040 Proximity Sensor Library Library for the SparkFun Qwiic Proximity Sensor 20cm - VCNL4040
SparkFun VEML6075 Arduino Library Library for the VEML6075 on the SparkFun Qwiic UV Sensor
SparkFun VL6180 Sensor The VL6180 combines an IR emitter, a range sensor, and an ambient light sensor together for you to easily use and communicate with via an I2C interface.
SparkFun ZX Distance and Gesture Sensor The ZX Sensor uses infrared light to determine the distance from an object and where the object is located on the X axis (between IR LEDs), available from SparkFun Electronics
Sparkfun T5403 Barometric Sensor Library Arduino Library for interfacing with the T5403 Barometric sensor.
STM32duino LwIP A Lightweight TCP/IP stack
Streaming Streaming C++-style Output with Operator <
SX1509 IO Expander Arduino library and hardware files for the SX1509 IO Expander Breakout board.
Synapse A library designed for the Synapse CV/Gate I/O shield
TeensyView A library for driving the TeensyView OLED board
TFT_eSPI A fast TFT graphics library for ESP8266 and ESP32 processors for the Arduino IDE
ThingSpeak ThingSpeak Communication Library for Arduino, ESP8266 & EPS32
Tic Tic Stepper Motor Controller library for Arduino
TLE72X Multichannel low-side and high-side driver library.
TLE94112 This library provides an interface for Infineon's DC Motor Control Shield with TLE94112EL
TM1650 7 segment display driver for JY-MCU module based on TM1650 chip.
TMC2130 Trinamic TMC2130 bipolar stepper motor driver.
TMC429 Trinamic TMC429 triple-axis dedicated step and direction motion controller.
U8g2_for_Adafruit_GFX Add U8g2 fonts to any Adafruit GFX based graphics library.
U8glib A library for monochrome TFTs and OLEDs
Ucglib True color TFT and OLED library, Up to 18 Bit color depth. Supported display controller: ST7735, ILI9163, ILI9325, ILI9341, ILI9486,LD50T6160, PCF8833, SEPS225, SSD1331, SSD1351, HX8352C.
USBPause Pause and restore USB interrupts
USBHID USB HID / MIDI / mass storage library for STM32F1
USBMIDI USB MIDI library for Arduino.
Vector An array container similar to the C++ std::vector
VL53L0X VL53L0X distance sensor library
VL53L1X VL53L1X distance sensor library
VL6180X VL6180X distance and ambient light sensor library
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.
Watchdog Use Watchdog to execute a function and/or reset the microcontroller.
WifiLocation Library to get geographic position (lat, lon, accuracy), without GPS, by listening surrounding WiFi networks (Works with ESP8266 and WiFi101 boards, including MKR1000)
XBee-Arduino library Library for talking to to various wireless XBee modules from Digi.
XLR8Float Arduino library for hardware accelerated floating point math.
XLR8NeoPixel Arduino library for controlling single-wire-based LED pixels and strip.
XLR8Quadrature Arduino library for hardware accelerated quadrature encoder control.
XYZrobotServo Pololu's Arduino library for the XYZrobot Smart Servo A1-16
ZumoShield Arduino library for the Pololu Zumo Shield and Zumo robot kit for Arduino
Zumo32U4 Zumo 32U4 Arduino library