This library gives easy control over the 16 pins of a TCA9555 device. The pins can be used for INPUT (default) and OUTPUT, and allow to set polarity. The pins can be set per single pin, or with a mask ...

This repository contains the full source code, schematics, and design documentation for a classic four-wheeled Line-Following Robot based on the Arduino Uno microcontroller. This project is an ...

Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...