This paper presents a library for Arduino that allows interfacing a 16x2 LCD display with the HD44780 controller via the PCF8574 I2C expander. The library provides basic functions for displaying text ...

When you divide, you share or group an amount into a number of equal parts. Division is normally represented by the symbol ‘÷’. Division is the opposite of multiplication. Why not see how much you ...

The best VR headsets can make you forget, even if just for a moment, you're wearing a big chunk of plastic and foam on your face. It will make you feel like you're a part of a game's world, if only ...