A list of the 21 libraries that are licensed with the Unlicense license.
| AD9850SPI | Arduino SPI library for AD9850 |
| ArdTap | A library to manage an Arduino board from a mobile in a couple of minutes. No coding, only configuration. |
| BigCrystal | A library that displays double height characters on LCD displays. |
| Buffered Streams | Implementation of Arduino's Stream class which use internal ring buffers to emulate a pair of connected Streams or a Loopback Stream. |
| controlKeyboard | A library for checking keyboard events like whether a key is pressed or released. |
| DS3231 | Arduino library for the DS3231 real-time clock (RTC) |
| esp32FOTA | A simple library for firmware OTA updates |
| FDC2214 | TI FDC2214 capacitative sensor library |
| Freenove VK16K33 Lib | Arduino library for Freenove VK16K33 Lib. |
| LED Dithering | Adjustable LED brightness on every IO pin with software-controlled blinking |
| MFRC522 | Arduino RFID Library for MFRC522 (SPI) |
| MFRC522-spi-i2c-uart-async | Arduino RFID Library for MFRC522 (SPI, I2C and UART) with asynchroneous callbacks |
| NetEEPROM | A library that stores and retrieves network configuration from EEPROM. |
| Norman | Mathematically simulate natural cycles of daylight, temperature, and humidity for remote locations using minimal data sets. |
| RfidDb | A library that stores 32 bit identifiers and associated names to EEPROM which can be used to as a basis for RFID access control applications. |
| RTC | Library for I2C based RTCs (DS1307, DS3231, PCF8563). |
| TactileSwitch | class for tactile switch |
| TwiLiquidCrytal by Arnakazim | A library to interface an HD44780 based LCD via I2C (or TWI in Arduino terms). |
| VNCL4020C-Arduino | Library to use Vishay VNCL4020C PPG sensor |
| Yet Another Arduino Debounce Library | An asynchronous Arduino Library for debouncing |
| Yet Another Arduino Wiegand Library | An Arduino Library to receive data from Wiegand card readers. |