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 ...

Tired of building the same old Arduino projects like blinking LEDs, temperature monitors, and line-following robots? Now it’s time for something fun. It’s time to turn your skills into entertainment ...

A function is a relation such that for each \(x\)-value there is only one corresponding \(y\)-value. In other words, a function cannot contain two different ordered pairs with the same first ...

JavaScript is a great language. It has a simple syntax, large ecosystem and, what is most important, a great community. At the same time, we all know that JavaScript is quite a funny language with ...

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) ...