Signal Input/Output

A list of the 507 libraries in the category Signal Input/Output.

1euroFilter Algorithm to filter noisy signals for high precision and responsiveness.
A1301 Arduino library for A1301 et al magnetometer.
AbleButtons The Arduino Button Library Extension (ABLE) is a simple, lightweight button library to capture input from buttons connected to the Arduino.
AceButton An adjustable, compact, event-driven button library that handles debouncing and dispatches events to a user-defined event handler.
AceSegment Library for rendering seven segment LED modules using the TM1637, TM1638, MAX7219, HT16K33, or 74HC595 controller chips.
AceSegmentWriter Write decimal numbers, hex numbers, temperature, clock digits, characters, and strings to the seven segment LED modules supported by the AceSegment library.
AcksenButton Flexible button library supporting debounce, long presses, repeated presses with acceleration.
AcksenPump Brewing-focused pump control I/O library for Arduino.
ACS712 ACS712 library for Arduino.
AD5144A Arduino Library for AD5144A 4 Channel digital potentiometer.
AD524X Arduino Library for AD524X
ad5243 Arduino library to control the AD5243 family of digital potentiometers / rheostats
AD5245 Arduino Library for AD5245 digital potentiometer.
AD5246 Arduino Library for AD5246, I2C 128 step rheostat.
AD5248 Library for I2C digital potentiometer AD5243 + rheostat AD5248
AD5263 Library to control digital potentiometer AD5263 and compatibles.
AD56X8 Arduino library for AD56X8, SPI 8 channel Digital Analog Convertor.
AD568X Arduino library for AD568X series Digital Analog Convertor.
AD5680 Arduino library for AD5680 Digital Analog Convertor (18 bit).
AD57X4R Provides an SPI based interface to the AD5724R, AD5734R, and the AD5754R Quad 12-/14-/16-Bit Unipolar/Bipolar Voltage Output DACs.
ad7124 Arduino library for AD7124 ADC
AD7390 DAC library Arduino library for the AD7390 digital to analog converter (DAC)
AD9833 Arduino library for AD9833 function generator. Supports hardware SPI and software SPI.
AD985X Arduino library for AD9850 and AD9851 function generators. Supports both hardware SPI as software SPI.
Adafruit ADS1X15 Arduino library for ADS1015/1115 ADCs.
Adafruit AM radio library Arduino library for AM radio on samd21 microcontroller
Adafruit AW9523 Arduino library for the AW9523 GPIO expanders in the Adafruit shop
Adafruit BD3491FS Arduino library for the BD3491FS Sound Processor in the Adafruit shop
Adafruit BusIO This is a library for abstracting away I2C and SPI interfacing
Adafruit composite video Library Arduino library for composite video on samd21 microcontroller
Adafruit Keypad Diode-multiplexed keypad support for Arduino
Adafruit MCP23008 library Arduino Library for the MCP23008 (and '9) I2C I/O expander
Adafruit MCP23017 Arduino Library Arduino Library for MCP23XXX I2C and SPI GPIO port expanders
Adafruit MCP3008 MCP3008 8-Channel 10-Bit ADC
Adafruit MCP4725 MCP4725 12-bit I2C DAC
Adafruit TCA8418 Arduino library for the TCA8418 Matrix Keypad Drivers in the Adafruit shop
Adafruit Zero DMA Library DMA helper/wrapped for ATSAMD21 such as Arduino Zero & Feather M0
Adafruit Zero FFT Library FFT library for Arduino Zero / Adafruit Feather M0 (SAMD21 processor).
Adafruit Zero I2S Library I2S audio playback library for the Arduino Zero / Adafruit M0 (SAMD21 processor) and M4 (SAMD51) boards
Adafruit Zero PDM Library PDM Microphone Input library for Arduino Zero / Adafruit Feather M0 (SAMD21 processor).
AdagioPro Controls Adagio RGB Poollights over RS-485
Adaino An Analog Data Acquisition library for Arduino and IoT.
ADCButtons A simple ADC 16 Buttons and 4x4 keypad library.
ADC_SAmpler Enable analog sequencer with timer on SAM3x DUE
ADC_SEQR Enable analog sequencer on SAM3x DUE
ADG725 Arduino library for ADG725 - 16 to 1 channel (2x) multiplexer.
ADG726 Arduino library for ADG726 - 16 to 1 channel (2x) multiplexer.
ADG731 Arduino library for ADG731 - 32 to 1 channel multiplexer.
ADG732 Arduino library for ADG732 - 32 to 1 channel multiplexer.
Adler Arduino Library for calculating Adler-32 and Adler-16 checksum.
ADS1110 ADS1110 Driver (16-BIT ADC with Onboard Reference, PGA and I2C Interface)
ADS1115_WE A library for the ADS1115 and the ADS1015 ADC
ADS1118 library Arduino library for TI ADS1118 (16-Bit Analog-to-Digital Converter with Internal Reference and Temperature Sensor).
ADS1219 ADS1219 24 bit ADC
ADS1220_WE A library for the ADS1220 ADC
ADS7828 ADS7828 is a 8-channel 12-bit Analog to Digital Converter (ADC) with an I2C interface.
AdvKeyPad Arduino library for a KeyPad connected to a PCF8574.
AmigaMouseJoyEmu Library to emulate Amiga Mouse or joystick
analogComp Set and manage the integrated analog comparator
Analog-Digital Multiplexers Arduino library for controlling analog/digital multiplexers (A/D mux).
AnalogIO-Arduino This library allows to read a value from an analog input like an potentiometer, or from a digital input like an encoder. Moreover, allows to write it on digital output, exactly on PWM pin.
AnalogKeypad Arduino Library for (Robotdyn) 4x4 and 4x3 AnalogKeypad
AnalogMultiButton An Arduino library to capture button presses on multiple buttons through a single analog pin.
AnalogPin Arduino Library for AnalogPin
AnalogReadAsync Asynchronous version of analogRead().
AnalogSelector Read a potentiometer or other analog input as a multi-selector switch.
AnalogTouch AnalogTouch library for Arduino
AnalogWrite_ESP32 Function analogWrite and Servo support for ESP32
AntiKeyRepetition Prevents keys(buttons) from being triggered continuously.
Anyleaf Driver for the AnyLeaf pH, EC, and RTD sensors.
ArduMax AD5241 Driver Driver for Analog Devices AD5241/2 and AD5280/2 digital potentiometers.
ArduMax MCP41xxx Driver Driver for Microchip MCP41xxx/42xxx digital potentiometers and MCP43xxx/44xxx digital rheostats.
ArduPID PID library for Arduinos with greater accuracy than the legacy Arduino PID library
ArduinoLearningKitStarter Library for the ArduinoLearningKitStarter (ALKS) board by RoboticsBrno with definition of pins and initialization of peripheries.
ArduinoMotorCarrier Allows use of the Arduino Motor Carrier
Arduino_APA102 Control rgb LEDs APA102
AsyncAnalog Arduino Library for async reading of an analog pin
AsyncButton A library that implements async buttons.
asyncino asynchronous library for the Arduino family
AttachInterruptEx AttachInterruptEx extends the standard AttachInterrupt function to allow for a variety of callable objects as timer callbacks.
Audio Allows playing audio files from an SD card. For Arduino Due only.
Audio - Adafruit Fork Adafruit SAMD51 port of Teensy Audio Library - Flexible, High Quality Audio Processing
AudioShieldDTMF MCP4921 Audio Shield DTMF Example
AudioZero Allows playing audio files from an SD card. For Arduino Zero, MKRZero and MKR1000 only.
AutoAnalogAudio Automated analog reads and analog output (streaming) using Arduino DAC(or PWM), ADC, DMA and Timers
AutoPID Automatic PID controller
avdweb_AnalogReadFast Fast analogRead 10/12 bit ADC for the Arduino Zero and Uno
AxisJoystick The Library implements a set of methods for working with an axis joystick controller.
Bas.Button A simple button class that calls a callback function when pressed.
BasicEncoder BasicEncoder counts pulses from one or more simple rotary encoder control knobs.
Bits and Droids flight sim library Use serial communication to control flight sim.
BlinkCode Library Asynchronous BlinkCode library for indicating flash fault codes.
Blinkenlight Supercharge your status LEDs / beepers
Blues Notecard Environment Variable Manager A utility class to support usage and management of Notecard-based environment variables.
BM12O2021-A Arduino library for 9-bit UART access to the BM12O2021-A/BMD12K202 that NMOS Driver Module
BMH23M001 Arduino library for I2C access to the BMH23M001 that 24-Bit ADC Module.
BMH23M002 Arduino library for I2C or SPI access to the BMH23M002 that 24-Bit ADC Module
BMK52M134 Arduino library for I2C access to the BMK52M134 that 4-KEY Capacitive Touch Module
Bolder Flight Systems Excitation Library of excitation waveforms.
BooleanButton library for monitoring the state, transitions, and timing of a boolean variable, creating a virtual button that emulates a switch.
Bounce2 Debouncing library for Arduino and Wiring.
btnapi Library for conecting buttons
Bugtton Fast button debounce library for ATmega328P. Uses registers instead of digitalRead.
Button Button is a tiny library to make reading buttons very simple.
Button-Arduino This library allows to manage a button.
ButtonClickCheck This is a library for checking the state of a button connected to an Arduino. [Korean]아두이노에 연결된 버튼의 상태를 확인하기 위한 라이브러리입니다.
ButtonControl Short clicks, long clicks and double clicks. Click count and button press time.
ButtonGestures Use one button for up to 6 different functions using gestures!
ButtonKing Arduino libary for improving the usage of a singe input button.
ButtonSuite A library for using a simple mechanical push (momentary) button as a momentary button, a latching button, a counter, an enumerator, and more.
Button_SL Button query
CaptureTimer Arduino Input Capture Library
CFPushButton A library for Arduino that helps interface for Push Buttons.
CF Rotary Encoder A library for Arduino that helps interface for Rotary Encoders.
ClickButton Effortless handle botton clicks.
Computherm RF Library Arduino library for Computherm Q8RF thermostat.
controlVoltage A simple library for generating CV signals to control modular synthesizers.
Controlino A library for using direct or multiplexed input controls easily.
Controller Utilities Contains a number of useful tools for building custom game controllers.
CowPi A library for the Cow Pi educational hardware kit.
CrazyHC595 Library for HC595
CurrentTransformerWithCallbacks Coil, Current Transformer (CT) based AC current measurements using fast ADC sampling of waveform
CuteBuzzerSounds Simple and Cute Robot Sounds
DacESP32 Arduino library for using the ESP32 DAC output channels fast and easy.
DAC7574 DAC7574 is a 4-channel 12-bit Digital to Analog Converter (DAC) with an I2C interface.
DAC7611 A library that makes interfacing the DAC7611p a breeze.
DailyStruggleButton DailyStruggleButton is yet another Arduino library to debounce button (push tactile switch) and manage its events.
DaisyDuino Arduino library for the Daisy audio platform.
DDS Generate sinusoids on AVR-based Arduinos at varying frequencies. Requires an analog low-pass filter.
debounce A library for button debouncing.
DebounceEvent Simple push button and toggle switch debounce library that reports number of clicks and length
DFRobot_ESP_EC_BY_GREENPONIK Update from DFROBOT library for ESP32 compatibility
DFRobot_ESP_PH_WITH_ADC_BY_GREENPONIK Update from DFROBOT library for ESP32+ADC compatibility
DFRobot_GP8XXX GP8XXX series driver library.
DFRobot_SpeechSynthesis Synthesize the sound you need, support Chinese, English.
DFRobot_SU03T Speech input and output(SKU: DFR0987)
digitalPinFast More speed for digitalPin operations.
DigitalSignalsArduino Digital Signal library for Arduino platform
Dimmer class for ATmega32U4 Easy use of 10/12 bit PWM outputs on ATmega32U4 for dimmer applications.
Dimmer class for SAMD21 Easy use of PWM outputs on SAMD21 for dimmer applications.
directADC Library for advanced ADC control (AVR)
DMM DMM (digital multimeter) library for Arduino.
DmtrPots Potentiometer library for Arduino / Teensy.
DueAdcFast Arduino Due ADC analogRead Fast 1Mhz with measures collect and also differential.
DUE_ADC_Oversampler 16 Bits ADC oversampler with PDC on SAM3x DUE
DUE_schmitt Enable SAM3x DUE IO Schmitt trigguer
eBtn A library to handle Buttons based on events.
EButton A compact, simple-to-use, reliable and powerful event-driven button library, with proper debouncing and fine grained event structure.
ESensors Manage recordings from multiple environmental sensors.
EasyButton Arduino library for debouncing momentary contact switches, detect press, release, long press and sequences with event definitions and callbacks.
EasyButtonAtInt01 Small and easy to use Arduino library for using push buttons at any PinChangeInterrupt pin. Automatic debouncing, no delay required. Functions for long and double press detection are included.
EasyBuzzer EasyBuzzer Library
EasyPin An easy and simple way for manage Arduino pins.
Embedded Type-C PID PID controller (Type-C) with a flexible API and errors handling.
EmotiBit ADS1X15 Arduino library for ADS1015/1115 ADCs.
EnableInterrupt Assign an interrupt to any supported pin on all Arduinos, plus ATtiny 84/85 and ATmega 644/1284.
Encoder Counts quadrature pulses from rotary & linear position encoders.
EncoderButton Lossless event based rotary encoder & button library
EnergyMeter Arduino library to get data from energy meters in order to monitor them.
ESPiLight pilight 433.92 MHz protocols library for Arduino
EspSoftwareSerial Implementation of the Arduino software serial for ESP8266/ESP32.
ESP32AnalogRead Load the ESP32 ADC calibration data and use it to read from the ADC Supports the original, S2 and S3.
ESP32 AnalogWrite ESP32 Polyfill for analogWrite functions
ESP32 ESP32S2 AnalogWrite ESP32 PWM, Servo, Easing and Tone.
ESP32RotaryEncoder Use a rotary encoder with your ESP32 easily!
ESP8266Audio Audio file and I2S sound playing routines for ESP8266, ESP32, and Raspberry Pi Pico RP2040
ESP8266SAM_ES Speech synthesis in spanish on the ESP8266, ESP32, and RP2040
EventAnalog Event based library for analog inputs.
EventButton Event based button library
EventJoystick Event based library for analog joysticks.
EventOS Library for event-driven embedded devices programming (hardware interruputs for all pins).
Eventuino C++ Event Framework for Arduino
ezAnalogKeypad Analog Keypad and Analog Buttons library for Arduino, ESP32
ezButton Button library for Arduino
ezBuzzer Buzzer library for Arduino
ezLED LED library for Arduino
ezOutput Output library for Arduino
ez_SIPO8_lib Support for multiple serial-in/paralle-out (SIPO) shift registers.
ez_switch_lib Support for single and multiple switches for Arduino and ESP 32 microcontrollers.
FadeLed Makes fading LEDs easy
FastGPIO Faster general-purpose I/O
FastPID A PID controlled implemented using fixed-point arithmetic.
FastShiftIn Arduino library for (AVR) optimized shiftIn - e.g. for 74HC165
FastShiftInOut Arduino library for (AVR) optimized shiftInOut (simultaneously)
FastShiftOut Arduino library for (AVR) optimized shiftOut - e.g. 74HC595
FireplaceMLX MobaLedLib Extension adds simulation of single fireplace
Flanco Flanco Library (Spanish version)
Fletcher "Arduino Library for calculating Fletcher's checksum.
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
Formulinha Formulinha Robot Library
FreqCount FreqCount measures the frequency of a signal by counting the number of pulses during a fixed time.
FreqMeasure FreqMeasure measures the elapsed time during each cycle of an input frequency.
FrequencyDetector Measure the main frequency of analog captured signal connected to an Arduino and check for noise and mute.
FTDebouncer An efficient, low footprint, fast pin debouncing library for Arduino
gButton Provides an easy way to work with buttons and other momentary contact switches.
GAMMA Arduino Library for the GAMMA function
Gemelon Pushbutton Arduino library to debounce a pushbutton.
gpiobj Manage and access GPIOs as objects.
GroveDriverPack GroveDriverPack
GyverIO Fast GPIO operation functions for AVR, ESP8266, ESP32
GyverPWM Library for advanced PWM settings of AVR
HalfStepper An Arduino library to enable half-stepping and single/dual phasing for step motors.
HT16K33 Arduino Library for HT16K33 I2C 4x7segment display
HV518 Arduino library to control Microchip HV518
HX711 Arduino library for HX711 load cell amplifier
HX711_MP Arduino library for HX711 load cell amplifier.
Hysteresis Hysteresis library
HzMeter_asukiaaa It measures Hz from pulse input.
iBit_Arduino A control library for iBit Board.
iKB1_Arduino A control library for IKB-1 Extension I/O Board.
IRsmallDecoder Allows the reception and decoding of infrared signals from remote controls.
I2CKeyPad Arduino library for a KeyPad connected to a PCF8574.
I2CKeyPad8x8 Arduino library for a KeyPad connected to a PCF8575.
I2C_Functions This is a helper library to abstract away I2C transactions and registers also this tool scans the master I2C bus and reports connected devices.
I2cDiscreteIoExpander Arduino library for the Texas Instruments PCF8575C 16-bit I2C I/O expander.
i2c_adc_ads7828 Arduino library for the Texas Instruments ADS7828 12-bit, 8-channel I2C A/D converter.
Indio Library for the Industruino IND.I/O product
Infrared An object oriented library for sending, receiving, generating, and decoding IR signals on the Arduino.
InfraredMLX Extension adds infrared features to control MobaLedLib using an infrared remote control
InputDebounce Simple polling input debounce Arduino library.
IoT_Modules-Buttons Button library for easier use of buttons in projects.
iotec_MAX7319 A library for using the MAX7319 from MAXIM Integrated.
IRLremote Lightweight Infrared library for Arduino
IRRemoteControl A lightweight library for send/receive infra-red signal.
IRMP Receive and send infrared signals.
Itty Bitty With the fastest possible Arduino-compatible GPIO and register manipulation...It's the biggest of hits when you need to bang bits!
JC_Button Arduino library to debounce button switches, detect presses, releases, and long presses.
jm_CPPM A CPPM Library for Arduino.
K1200 Library for the Velleman K1200 watch.
KeyDetector A library for detecting state change on analog and digital pins.
KidMotorV4-Arduino Drive DC motor / Servo motor, I/O expander with KidMotor V4
KLEncoder Library for get data from Encoder Module.
KMP_MCP23S08 Unified driver for the the MCP23S08 SPI expander
L298 Motor Driver L298 Motor Driver is a library for Arduino to handle motor control using an H-bridge.
LedBlinky Allows an Arduino/Genuino board to control the builtin led and external leds.
LED Dithering Adjustable LED brightness on every IO pin with software-controlled blinking
LEDDriver PWM LED Driver with ability to brighten and dimm fluently
Leeman Geophysical Learning Shield Tools for the Leeman Geophysical LLC Learning Shield.
LettersKeypad A simple 4x3 phonetic alphabet keypad library.
Lifely Agrumino Lemon Library for Agrumino Lemon Device
LionBit-STEM-library This is a library for LionBit
LitSwitch A special library for an LED/momentary switch hardware combination.
Lixie Allows for easy writing to Lixie Digit displays!
Lixie II Library for controlling Lixie II displays!
LogansGreatButton An all in one, easy to use, powerful, self contained button library so you can focus on your other code! Includes Debouncing, Avoids Delays, multiclicks and allows you to decide what happens at the beginning and end of Short, Long, Hold and Shifts so you can create a intuative and responsive experience.
LogicAnalyzer A SUMP protocol compatible logic analyzer firmware
LoveButton Touch Sensitive Love Button
Low level quick digital IO 高性能引脚读写。More efficient digital IO than builtin functions
LTC1392 library Arduino library for the LTC1392 Micropower Temperature, Power Supply and Differential Voltage Monitor
M10ADC ADC library for PulseRain M10 board.
M10CODEC CODEC library for the Si3000 CODEC on PulseRain M10 board.
M10DTMF DTMF library for PulseRain M10 board.
M10ESP8266 library for ESP8266 shield.
M10Examples Examples for PulseRain M10 board.
M10I2C I2C library for PulseRain M10 board.
M10JTAG JTAG UART library for PulseRain M10 board.
M10LCD Library for LCD Interface
M10PS2 Library for PS2 Interface
M10PWM PWM library for PulseRain M10 board.
M10SD microSD library for PulseRain M10 board.
M10SerialAUX Auxiliary Serial port library for PulseRain M10 board.
M10SevenSeg Library for Seven Segment Display
M10SRAM SRAM (Microchip 23LC1024) library for PulseRain M10 board.
M5ANGLE8 Arduino library for M5 8ANGLE 8x12 bit potentiometers.
M5ROTATE8 Arduino library for M5 8ROTATE 8x rotary encoders
MacroDebugger Debug-printing done elegantly, and cleanly!
MagicPot Arduino library for reading values easily from potentiometers.
Mapf extended arduino map() function
MAX14661 Arduino library for MAX14661 16 channel I2C multiplexer
MAX471_RT Arduino library for MAX471 current sensor.
MAX6816 Single Switch Debouncer Library for Arduino.
MCP23S08 Arduino library for SPI MCP23S08 8 channel port expander 8 IO-lines
MCP23S17 Arduino library for SPI MCP23S17 16 channel port expander 16 IO-lines
MCP23008 Arduino library for I2C MCP23008 8 channel port expander 8 IO-lines
MCP23008_I2C Library for MCP23008 I2C based GPIO expanders for Arduino platform supported boards
MCP23017 MCP23017 I2C Port expander library.
MCP23017 Port Expander Arduino library for MCP23017 I2C I/O port expander.
MCP23017 Soldered Library MCP23017 board library for Arduino
MCP23017_I2C Library for MCP23017 I2C based GPIO expanders for Arduino platform supported boards
MCP23017_RT Arduino library for I2C MCP23017 16 channel port expander 16 IO-lines
MCP23017_WE A library for the MCP23017, MCP23S17, MCP23018 and MCP23S18 port expanders.
MCP3X21 MCP3021 & MCP3221 Arduino library
MCP3202 Used to interface the 12 bit ADC MCP3202 by Microchip.
MCP3221 MCP3221 Driver (12-bit ADC with hardware I2C Interface)
MCP3304 A simple library for working with the MCP3304 in a bit bang version. Useful for Raspberry Pico
MCP4251 MCP4251 Digital Pot Control
MCP48xx DAC Library A library to control the MCP48xx family of SPI digital to analog converters (DACs).
MCP_23017 IO expander library for MCP23017
MCP_3208 ADC library for MCP3208
MD_AButton Library for multiple switches on one analog input.
MD_KeySwitch Library for digital switches.
MD_SN76489 Library for SN76489 sound generator.
MD_UISwitch Library for Universal User Interface Switches.
MemoryDumper Dump Arduino memory
MicroMidiDevices Arduino (very) Simple Library to manage various input devices as MIDI controllers
MicroMidiEnc Arduino (very) Simple Library to manage Rotary Encoders as MIDI messages over USB
MicroMidiPot Arduino (very) Simple Library to manage potentiometer (smoothed) as MIDI messages over USB
MIKROE_4_20mA_RT_Click A library for the 4-20 mA R & T Click Boards of MIKROE (MIKROE-1387 & MIKROE-1296).
miniDAC Library for Arduino miniDAC module by Tamojit Saha and Sandeepan Sengupta.
MINMAX MINMAX library for Arduino.
MjGrove MjGrove
MKRMotorCarrier Allows to use the MKR Motor Carrier
MM-S50MV MMS50MV(ToF sensor) Driver
MobaLedLib Arduino library for driving up to 768 (49152 ESP32) LEDs, signals, sound modules or other actuators via one signal line on a model railway
ModernPIDControlSS Modern PID Control Architecture and CPLMFC Tuning
MorseDuino Arduino library for generation morse code and displaying it on LEDs
MOVI Voice Dialog Shield This is the Arduino library for the MOVI(tm) Voice Dialog Shield.
MovingAverage Arduino Library for averaging fixed-point numbers
MovingAverageAngle Arduino & Mbed Library for averaging angles 0-360°
MovingAverageFloat Arduino Library for averaging float numbers
MovingAverager A basic moving average filter.
Mozzi Sound synthesis library for Arduino
mpbToSwitch An Arduino-Esp32 library that implements all kind of switches out of simple push buttons (Momentary Buttons)
MPC_ruih Linear MPC controller
MS5837 Arduino library for MS5837 temperature and pressure sensor.
MSGEQ7 Library for Musicvisualization with MSGEQ7
MultiButton Reliable detection of single, double and long clicks.
MusicBuzzer A Collection of musics for buzzer
MusicWithoutDelay A library to play multiple musical notes at the same time without Delay.
MyButton Making buttons easy and fun to work with (normal, and counting buttons)
NPush NPush library for Push buttons.
NRotary NRotary library for using rotary encoders.
Nintendo Connect all your favourite Nintendo Controllers to your Arduino.
Notched Shaft Encoder Monitor the postion and clickable button status from a Notched Shaft Encoder
NumberSpeaker Arduino library for speaking numbers.
ObjectButton An Arduino library for detecting button actions.
OneButton Arduino library for improving the usage of a singe input button.
OOKwiz Receiving/analysing/sending on-off-keying signals for radio remote controls 📱, weather stations 🌦️ and more.
OptoDebounce 100Hz opto debouncer.
P1AM P1AM CPU library
PCA9505_06 Library Library for the 40bit PCA9505/06 I2C Port Expander
PCA9536 PCA9536 Driver (4-Channel GPIO I2C Expander)
PCA9549 Arduino Library for PCA9549 I2C octal bus switch.
PCA9551 Arduino library for PCA9551 I2C LED driver 8 channel
PCA9552 Arduino library for PCA9552 I2C LED driver 16 channel
PCA9553 Arduino library for PCA9553 I2C LED driver 4 channel
PCA9634 Arduino library for PCA9634 I2C LED driver 8 channel
PCA9634 library A library for the PCA9634 8-bit Fm+ I2C-bus LED driver.
PCA9635 Arduino library for PCA9635 I2C LED driver, 16 channel PWM, 8 bit.
PCA9685_LED_DRIVER GPIO I2C driver for PCA9685
PCA9685_RT Arduino library for PCA9685 I2C LED driver, 16 channel PWM, 12 bit.
PCA9698 GPIO I2C driver for PCA9698
PCF8574 library Most starred PCF8574 library for Arduino (standard and SAMD), Raspberry Pi Pico and rp2040 boards, ESP8266, smt32 and esp32
PCF8575 Arduino library for PCF8575 - 16 channel I2C IO expander
PCF8575-lib Easy to use Arduino library for PCF8575 I2C expander.
PCF8575 library PCF8575, library for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266.
PCF8591 PCF8591 library for Arduino. Supports multiple I2C WireN bus.
PCF8591 library PCF8591, library for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266.
PciManager This library helps you manage Pin Change Interrupts: subscribe and receive change events.
PCM Playback of short audio samples.
PicoAnalogCorrection Arduino library to calibrate and improve ADC measurements with the Raspberry Pi Pico including the built-in temp sensor.
Pico-DMX DMX protocol library for the RaspberryPi Pico
PID PID controller
PID_Timed PID controller with non-uniform time sampling
PID_v1_bc PID controller based on PID_v1 with back-calculation anti-windup
PID_v2 PID controller
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.
PinExtender Library Library for Pin Extention
PIR PIR library for Arduino.
Plaquette An object-oriented library for creative physical computing.
Plex64 A library for the Plex64 analog input multiplexer shield.
Polymorphic Buttons A simple library to make multifunction buttons.
PPMEncoder A library to encode/generate a PPM signal for controlling RC Cars, etc...
pressure Arduino library for pressure conversion
PS2Keyboard Use a PS/2 Keyboard for input
PT2258 A library to control the 6-Channel Electronic Volume Controller PT2258
pulseAny Arduino library to pulse any digital port in any frequency
PulseDivider Arduino library to divide a pulse stream with a float factor.
PulsePattern Library to generate repeating pulse patterns. (AVR only)
PulsePosition Send and receive multiple high resolution PPM encoded signal streams.
PulseRainUARTConsole Arduino Library for UART Console
Pulser A lightweight library to send sequences of pulses on output pins.
pushButton A simple library for Push Butons.
PushButton Event Modelling Library PushButton events modelling library
PushButtonTaps Read Push Button Debounced as Single Tap, Double Tap or Long Press without blocking program.
Pushbutton Pushbutton library for Arduino
QDEC High-efficiency, state-machine based quadrature decoder.
QuickPID A fast PID controller with multiple options. Various Integral anti-windup, Proportional and Derivative control modes.
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.
RadioengeLoraWAN Implementation of RadioengeLoraWAN AT-COMMANDS..
RBD_Button Read and debounce buttons and switches.
RCLSwitch Compact version of RC Switch
RepeatButton RepeatButton Library for Arduino.
ResponsiveAnalogRead Arduino library for eliminating noise in analogRead inputs without decreasing responsiveness
RGB This library for Arduino allows you to control RGB led.
RGB_LED A library that manage 4 legs rgb leds colour and light duration.
Romans Audio FastDigitalPin Library Arduino lib for fast digital reads and writes.
RotaryEncoder Use a rotary encoder with quadrature pulses as an input device.
RS485 RS485 library for Arduino.
sTune Open loop PID autotuner using a novel s-curve inflection point test method.
SAMD21 Audio Player Simple audio player for SAMD21-based Arduinos
SAMD21 turbo PWM Fast-PWM library for SAMD21G-based Arduinos
SchmittTrigger A lightweight schmitt trigger for debouncing and filtering.
SdCardServer Arduino library to serve the contents of an SD card using the AsyncWebServer.
Seeed Arduino Audio Flexible, High Quality Audio Processing Library
Sensor A simple Arduino Sensor/map wrapper
SensorToButton An algorithm to convert analog Data into a Button.
SensorWLED Provides methods to retrieve instant and peak values from the ADC input. The Arduino library SensorWLED splits the input from a varying analog signal from the ADC into components, i.e., provides the capability of a sample-and-hold circuit.
SeqButton Sequential Button Arduino Library
Sequent Home Automation HAT A easy to use Arduino Library for Home Automation HAT
SerialBuffSender sending buffer via serial
ServoInput Read positional data from servo motors and drivers.
ShiftInSlow Arduino library for shiftIn with build-in delay - e.g. for 74HC165
ShiftOutSlow Arduino library for shiftOut with build-in delay - e.g. for 74HC165
ShiftRegister-PWM-Library Makes shift register pins PWM capable.
SIKTEC_MDSwitch Library to easily use Multi Direction Switches.
SIKTEC_SPI A Lightweight SPI wrapper for HW SPI and Software SPI
Sim Racing Library Interface with sim racing peripherals including pedals, gear shifters, and handbrakes.
SimpleExpressions Make you Robots cute and noisy
SimpleLed Arduino library for control LED.
Simple Repository IO A simple IO controller
slight_ButtonInput Event based button input.
slight_RotaryEncoder Event based rotary ecnoder input.
SM_16DIGIN A easy to use Arduino Library for Sixteen LV Digital Inputs HAT
SM_4REL4IN A easy to use Arduino Library for Four Relays four Inputs HAT
SM_BAS A easy to use Arduino Library for Building Automation HAT
SM_ESP32Pi A easy to use Arduino Library for ESP32-PI
SmartButton Library Asynchronous SmartButton library for handling various button events.
SmartCard Use a smart card with arduino
SmoothADC Get ADC to return averaged values.
SN76489 sn76489 arduino library.
Sodaq_PcInt An Arduino library to deal with PCINT (Pin Change Interrupts)
SoftPWM A software library to produce a 50 percent duty cycle PWM signal on arbitrary pins.
SoftwareSerialTX A SoftwareSerial implementation only for transmitting data, maximum size reduced
Soldered MCP47A1 DAC library Arduino library for Soldered MCP47A1 1 Channel 6 Bit DAC Breakout board
SoundPlayer Allows Arduino Boards to play 8-bit sounds recorded at 40kHz sampling frequency.
Soundex "Arduino Library for calculating Soundex hash.
SparkFun AD5330 Libraries for the AD5330 8-bit DAC
SparkFun ADS1015 Arduino Library Library for the ADS1015 ADC to I2C converter used on the SparkFun Qwiic 12-bit ADC and Flex Glove Controller.
SparkFun ADS1219 Arduino Library An Arduino library for the ADS1219 24-Bit 4-Channel ADC from TI
SparkFun MiniGen SparkFun MiniGen library allows the user to generate sine, square, or triangle waves at up to 3MHz, and approximately 1Vp-p.
SparkFun TLC5940 Library for the TLC5940 IC.
SparkFun VKey Arduino Library Arduino Library for interfacing the SparkFun VKey Voltage Keypad.
SpeedMeasurer Pito tube library for 2 BMP180 sensors
SPI-DAC7611 A library that interfaces with the DAC7611 using the standard SPI library.
StackmatTimer A library for interfacing with a Stackmat/Cube timer
Step_CYC10_I2C Library for the I2C Soft Controller on Step CYC10 FPGA board
Step_CYC10_Seven_Seg_Display Library for the 7-segment display on Step CYC10 FPGA board
StereoSID MOS6581 Stereo SID Emulator Arduino Library
SUSHI-EXP-BOARD Arduino library for SUSHI-EXP board.
SWSerialOut Arduino library for SWSerialOut, supports only data out (TX).
Switch Arduino library for deglitching and debouncing switches and buttons.
SX1509 IO Expander Arduino library and hardware files for the SparkFun SX1509 IO Expander Breakout board.
TVout A library for generating PAL or NTSC video output with an AVR.
Talkie Speech library for Arduino. Generates speech from a fixed vocabulary encoded with LPC.
TalkingButton Transform a press button into a powerful input device
TcBUTTON Button for TcBUTTON is a easy to use button for your application and call back function for your button.
tca9544a Arduino library to control the TCA9544A I2C bus multiplexer
TCA9548 Arduino Library for TCA9548 I2C multiplexer and compatibles.
TCA9555 Arduino library for I2C TCA9555 16 channel port expander - 16 IO-lines
TeeRec Teensy recorder libraries.
TeensyAudioFlashLoader utility to load audio samples from uSD card to external flash ram or psram on teensy 4.1
TeensyAudioLaunchCtrl Trigger audio samples using your usb midi controller
TeensyAudioSampler play pitched multi-polyphonic audio samples with teensy audio library
TeensyVariablePlayback Play samples at variable pitch using Teensy Audio Library
Teensy_3X_Multipurpose_Board Library to interface with Teensy 3.X breakout board (PCB gerber and Eagle project files included!)
Telegraph Telegraph automatically sends Morse code signals on an Arduino pin.
Throttle Just like Debounce but faster
TimerExtensions Easy access to advanced Arduino timer functions, such as precise timing, pulse generation, and input event capture.
tinyESPNow Arduino library for tinyESPNow.
tinyI2S Arduino library for tinyI2S.
TinyWireM I2C library for Trinket and Gemma, adapted from BroHogan's code on Arduino Playground
TLA2518 Arduino library for Texas instrument TLA2518
Tlc5940 Use the Texas Instruments TLC5940 16-channel LED Driver
TM16xx LEDs and Buttons TM16xx library for Arduino. Supports LED and KEY modules based on TM1638 and similar chips.
TN_SwitchState A library to manage switch state transitions.
Toggle AArduino button debounce library for various switch types, port expanders and other 8-bit data sources.
Tone A software digital square wave tone generation library.
toneAC Replacement to the standard tone library with many advantages
ToneESP32 Tone library for ESP32
ToneLibrary This is an Arduino Library to produce a tone on any Arduino pin.
TouchyTouch Capacitive sense touch library that mimics how CircuitPython touchio works
TpdButton Simple prototyping library to read different events on a button.
TrapeZoid trapezoidal control using moving average.
Tsunami Library for interfacing with the Tsunami's hardware peripherals.
TwoButtonsInterface A button library that handles two buttons interface.
uS82 A control library for uS82/us82 Board.
UUID Arduino library for generating UUID's. (experimental).
vbus-arduino Allows arduino to read data from some vbus compatible controllers.
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!
VolumeConverter Arduino library to convert volume units.
Volume2 Gives tone() functionality with multiple waveforms and 8-bit volume control - with no extra parts!
WaterMix Arduino library for mixing water with different temperatures.
WeatherMeters Weather Meters library
weight Library of weight conversion functions
WiFiWire Arduino library for Wire on WiFi.
WinsonLib Winson product's Arduino Library
wiring_analog_SAMD_TT Provides same functions as SAMD wiring_analog.c with several changes to fix problems, and a function for ADC calibration.
wm8978-esp32 An esp32 library for the wm8978 dac.
WTV020SD16P Arduino library for the WTV020-SD-16P sound module
XBoxControllerHandler Handle strings from an XBox controller receiver (ESP controller running BluePad) containing controller input status.
X9C10X Arduino Library for X9C10X series digital potentiometer.
XLR8ADC Arduino library to take advantage of XLR8 ADC performance.
XLR8SPI Library to use SPI interfaces through SPI XBs.
XP_Button Library to debounce button switches, detect presses, releases, and long presses.
Yet Another Arduino PcInt Library A library to support Pin Change Interruptions (PCINT) on AVR Arduinos
YK04_Module Library for working with a remote control sensors based on the YK04 driver.
ZMotor2 Library Library for a board called Motor2
ZMotor3Library Library for a board called Motor3
ZzzButton Arduino / C++ library to manage buttons
ZzzMovingAvg Simple Arduino / C++ library to compute moving average