Adafruit PN532 NFC reader library ported for Spark with Hardware/Software SPI support. Adapted for use with Particle devices.

It does morse related things on an arduino.

The arduino library for the L298N driver shield

Rohm SensorShield EVK-003 + IoT Express ESP32

A set of various programs for an Arduino with the Multi-function shield.

Testing sketch for the Infineon TLE94112LE Arduino Shield

A library to easily create and navigate through a menu on the Adafruit LCD Shield

Library for TINKER modules

mbed library for the Weather Shield of TE Connectivity

USB Mice To ADB for old Macs without USB

Library and Examples for the PTSolns Interface-Shield

Arduino Nano with CNC_Shield driven rail for photo camera.

SeeedStudio Solar Charger Shield library

ArduDAQ is a simple shield/hat for Arduino(Uno) platform for getting voltage, current and onboard temperature values while still having access to digital outputs from the base board

Turta Relay Shield Source, Reference and Manual.

A demo of the RN2483 Library and Grove Modules Framework (see their respective repos)

SIM808 Shield tests for GSM GPS and Bluetooth connectivity

Arduino Uno source code to run a battery box vent fan based on a reading from the mppt charge controller.

Weather: Simple Absolute Barometric Pressure (SL & Comp), Temp, no humidity using Wemos D1R1, BMP280