A barebones library for bitbanging SPI

Arduino library to control Grove - Digital Infrared Temperature Sensor.

OpenAg driver for the DS18B20 temperature sensor

Simple Async HTTP Request library, supporting GET, POST, PUT, PATCH, DELETE and HEAD, on top of AsyncTCP libraries, such as AsyncTCP, ESPAsyncTCP, AsyncTCP_STM32, etc.. for ESP32, ESP8266 and currently STM32 with built-in LAN8742A Ethernet.

A library for the ADS1115 ADC. An Arduino library for the 16-bit, 4 channel ADS1115 ADC, convenient to use. All features of the ADS1115 are implemented, including alert functions.

Library helps bring new esp devices online and connected into ecosystem. Read and parse config from json files on the web or SPIFFS.

This library allows you to read the thermistors very easily. This library allows an Arduino/Genuino board to read thermistors very easily.

Arduino IDE support files ATmegaxxM1 and ATmegaxxC1 AVR chips. Chips currently supported include: ATmega64M1, ATmega32M1

Library adding support for the printf family of functions to the Arduino SDK. This library provides support for printf() and other printf-like functions with full format-string support. Default output is to Serial, but can be customized.

Library for Uinversal User Interface Switches. Library to uniformly encapsulate different types of switch based user input. Detects press, double press, long press, with software debounce and auto repeat. Handles simple switches, key matrices and analog resistor-ladder type switches.

A library that resolve mDNS name

A library to wrap THiNX device registration, MQTT and OTA Update. It should work silently with an update availability callback and optional silent force-update.

SIM900/SIM800 Library that using Flow Control for higher baudrate and minimum error rate.

Display VGA image

A memory efficient library to parse (large) JSON objects

This is library for storing data array in internal flash memory of MCU LPC1768. The flash data is empty every time we download program to MCU so it can be used in project where we don't have acces to file system like mbed development board uses.

Library for M5Bala balance car. See more on http://M5Stack.com

Measure change in capacitance. Detect human presence and touch from behind several millimeters of material, or detect change in water levels from the outside of a plastic container. This library is meant to help determine change in relative capacitance for the reasons above, and not for calculating exact capacitance. Relative capacitance is found by measuring how long it takes for an Arduino send-pin to charge a receive-pin to HIGH (in microseconds).

The ultimate bit manipulation tool. This library provides an efficient and easy to use method for dealing with individual bits. The library is in fact a drop-in replacement for a bool or boolean array. However it has many more possibilities and is perfect for use on embedded systems. The main feature of this library is the fact it allows bits to be read and written using a simple array subscript notation.

Mail Client Arduino Library for Espressif ESP32 and ESP8266 devices. This library allows the ESP32 and ESP8266 devices to send and read Email with the many options and features e.g. the attachments, inline images, embeded rfc822 messages are supported for upload when sending and download when reading the Emails.

Fully featured MIDI Controller Library with a Companion Editor App for 32-bit Teensy boards, Requires Teensyduino. BMC is only compatible with Teensy 3.2, 3.5, 3.6, 4.0, 4.1 boards from https://www.pjrc.com, BMC has full support for Buttons, LEDs, Encoders, Pots and more, the library is fully expandable and the Desktop editor adapts to your configuration. More details at https://www.RoxXxtar.com/bmc

An Arduino library for the Grid-EYE Infrared Array Sensors.

FIR filter library for the Arduino. Flexible FIR filter library. Multiple data types accepted. Based upon the work of Sebastian Nilsson (sebnil).

Unified sensor driver for the FXOS8700 Accelerometer/Magnetometer

Flexible logger for Arduino

Library for talking to Twitter on ESP8266.

Arduino Library for True NB-IoT Shield

This library enables an Android smartphone or tablet to act as a graphical display for your Arduino.<br/>. Let your Arduino program create a GUI with <b>Graphics, Text, Buttons and Sliders</b> on your smartphone or tablet by simply connecting a HC-05 to the rx/tx pins of your Arduino.<br/><a href="https://play.google.com/store/apps/details?id=de.joachimsmeyer.android.bluedisplay">The Android BlueDisplay App</a> receives draw requests from Arduino over Bluetooth and renders it.<br/>GUI callback, touch and sensor events are sent back to the Arduino.<br/><b>No Android programming required!</b><br/><br/><b>New: </b>New functions, renamed setPrintf* functions to setWriteString*, switched last 2 parameters in initCommunication() etc.<br/>

Arduino library to control Grove Gesture（PAJ7620U2）.

A wrapper for the LIFX API for Arduino (works on ESP8266)

Arduino library for controlling TI's TLC59711

Basic I2C functionality of the MMA8452Q Accelerometer Breakout

Balboa 32U4 Arduino library. This library helps interface with the on-board hardware on the Pololu Balboa 32U4 control board.

Headers for framework- and platform-agnostic code

Library to read time from Network Time Protocol (NTP) servers. Handles the connection to an NTP pool and parses Internet Time to UNIX time format.

An Arduino library for the UBlox EVA7M (as available on LoRaONE). It reads GPS coordinate, time, number of satellites, etc.

mbed utilities library

Arduino library for Plantower PMS sensors. Supports PMS x003 sensors (1003, 3003, 5003, 6003, 7003).

SPIFFS Read Server. An SPI Flash File System (SPIFFS) server extension of the ESP8266WebServer.

Enables ESP8266 to connect to Anto.io IoT platform. ESP8266-AntoIO provides common and easy method to publish/retrive data from/to Anto.io

This library helps you manage Pin Change Interrupts: subscribe and receive change events. With PciManager Arduino library you can manage the Pin Change Interrupt of the microcontroller. You can register listeners in the PciManager for a change of a pin. The manager handles the interrupt and calls the listeners.

Decode data from TTL (raw) magnetic card readers. MagStripe supports decoding any of the three tracks from standard magnetic stripe cards using a TTL (raw) card reader.

Allows controlling the VL53L1X (Time-of-Flight and gesture detection sensor). This library provides simple measure distance in mm, single swipe gesture detection, directional (left/right) swipe gesture detection and single tap gesture detection.

Arduino wrapper over tuanpmt's excellent MQTT library

An implementation of the rosserial protocol for Arduino

DisplayCore for DisplayCore

A simple string synthesizer implementing the Karplus-Strong algorithm. Licensed under the GNU LGPL.

Library code for the Microchip RN4870 a BLE module.

Adafruit 2.2" TFT with SPI interface and microSD card holder

Port of mbed OS 2 APIs to the Arduino platform. mbino is a library that provides basic mbed OS 2 APIs for the Arduino platform.

A library for decoding IR signals. This library identifies the IR protocol and parameter corresponding to a particular IR signal. Knows over 100 protocols.

MLX90393 magnetometer library. A library for the MLX90393 magnetometer. It provides raw access to all functions of the chip. It is recommended to connect the data ready (DRDY) pin to the Arduino. Operation without drdy pin is possible but not recommended. If you encounter issues compiling it have a look in the readme file.

An Arduino library with additions to vanilla Serial.print(). Chainable methods and verbosity levels. Suitable for debug messages.

Calibration helper for various Arduino compatibles. This library abstracts storing Adafruit Sensor aligned calibration values on various boards, particuarly ones with built in EEPROM or (Q)SPI Flash.

This is a C library for handling timezones

Arduino library that simplifies Serial communication. Arduino & .NET serial communication library to read/write variables and remote call functions (RPC)

An Arduino driver for the Benewake TFMini time-of-flight distance sensor.

Arduino library for the Twilio Alfa developer board for NB-IoT. Arduino library for the Twilio Alfa developer board for NB-IoT, supporting Twilio Commands.

Arduino Library for using common anode seven segment display such as the YSD-160AR4B-8. Replacement for the SparkFun library.

The Library implements a set of methods for working with a thermocouple based on the MAX6675 driver. Provides a temperature reading in Celsius, Fahrenheit and Kelvin.

ULWOS2 is a cooperative thread scheduler 100% written in C which can run on any platform supported by GCC. You can use it to run multiple threads at the same time in a cooperative fashion

A library that plays Rtttl melodies. Uses PROGMEM and no timer

Arduino Library for the Atmel AT42QT1070 QTouch 7-channel Sensor IC via i2c. Supports Wire or I2c libraries.

Arduino library for composite video on samd21 microcontroller

PID controller. A simple PID controller for the Arduino IDE featuring different time step calculation options.

A Tiny Embedded Database with Query Capability

OpenAg driver for the Atlas Scientific electrical conductivity sensor

Non blocking SDS011 sensor library for ESP8266

Library for using QMC5583L series chip boards as a compass. QMC5883L Compass is a Arduino library for using QMC5583L series chip boards as a compass.

Adafruit mfGFX multifont library for Particle Devices

Supported OLED display chip: SSD1306 or SH1106. Supported Interface: I2C (internal driven). This library supports all print() and write() calls as the internal Serial lib of Arduino core. Added also printf() std function call. TTY mode: Display can be used like a terminal window (without positioning the cursor before print), it will scroll up automatically when print function contains a '\r' '\n' character in last screen text line.

Control SDI-12 sensors with Teensy 3.x/LC. Provides an api to read SDI-12 sensors for the Teensy 3.x/LC using the freescale 1-wire protocol.

DynamixelShield Library for Arduino. This library uses DynamixelShield Board to control DYNAMIXEL and RC100.

Ticker library for ESP32

Library for low-cost 433 MHz transmitter modules with forward error correction.

A library that provides access to Syncano. Provides methods to access the REST API of Syncano.io from Arduino.

Azure HTTP protocol library for Arduino. For the Arduino MKR1000 or Zero and WiFi Shield 101, Adafruit Huzzah and Feather M0, or SparkFun Thing. Microsoft compact implementation of the HTTP protocol for small devices like Arduino. It allows you to use your Arduino with the Azure IoT Hub using HTTP as the transport protocol. See readme.md for more details. Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.

Library for digital pressure sensors MS5xxx by Measurement Specialties (MEAS). Tested with Arduino Uno/Nano/Mico and ESP8266. Long-term tests with MS5607, working implementation for MS5611 chipset.

Arduino library for interfacing R30X series optical fingerprint scanners.

Arduino library to control Grove - High Temperature Sensor.

The Library implements a set of methods for working with an axis joystick controller. Dual axis XY joystick module reading.

ESP8266 h/w pin management library

Arduino based multi-function shield library

HardwareTimer as Encoder Reader. Hardware Timer for STM32F1

Arduino library to control Wio LTE Arduino Library. Wio LTE is a board combined with STM32F405RGT6 and quectel EC21(4G/3G/GPS) module.

SSD1325 monochrome OLED library. SSD1325 monochome OLED library (note does not support grayscale).

Arduino library for the MCP320x 12 bit ADC family. The library supports: MCP3201, MCP3202, MCP3204, MCP3208

OpenAg driver for the Atlas Scientific light spectrum and intensity sensor

OpenAg driver for the Atlas Scientific pH sensor

WebSocket Server and Client for Arduino based on RFC6455, originally designed for ESP8266/ESP32, now modified and ported to run on nRF52, SAMD21, SAMD51, SAM DUE, STM32F/L/H/G/WB/MP1, Teensy, etc. boards, with WiFiNINA, Teensy 4.1 NativeEthernet, Ethernet W5x00/ENC28J60/LAN8742A, ESP8266/ESP32-AT modules/shields, as well as SINRIC / Alexa / Google Home

Arduino library for automatically adjusting RTC time for Daylight Saving Time (DST)

Arduino Library for measuring current in 50/60Hz circuits using current transformers. Copyright (C) 2018 by Jack Christensen and licensed under GNU GPL v3.0.

Basic functionality of the Si4703 FM tuner chip. Allows user to tune to different FM stations, find station ID and song name, and RDS and RBDS information.

Fixed Point Library for Atmel 8 bit Processors. Implements ISO/IEC standard s7.8, s15.16, s7.24 floating point math.

A library for writing modern OO Arduino. ArduinoComponents gives you base components and a framework for writing component and event based code for any Arduino supported microcontroller with one unified interface. ArduinoComponents gives your the base Component class and many usefull utilities (Vector, Function, smart pointers ect..).

Easy finite state machine creation and management library. A library that helps creating finite state machines based on function pointers. Can run concurrently any number of states machines. Provide all required basic timing functions to easily create automatons. Can also be used as a (very) basic scheduler.

Arduino library to control Grove - RTC DS1307.

Update sketches on your board over WiFi. Requires an Arduino/Genuino SAMD board

Library to access DS1307, DS1337/8, MCP7941x and PCF85263 real-time clocks. Read, set and configure DS1307 and similar I2C real-time clocks. Supported devices include DS1307, DS1337, DS1338, MCP79410, MCP79411, MCP79412 and PCF85263. Time/date is available as a standard tm struct. Unix timestamps (seconds since 1970) can also be computed. Can autoprobe to find device address on the I2C bus. GNU LGPL v2.1.