We have gotten accustomed to seeing Thin Film Transistor (TFT) displays and touch screens on everything from pads, to phones to tablets. While captivating and rightly so, not every application can ...

DESCRIPTION : This project demonstrates how to interface a 4x4 matrix keypad with an LCD (16x2) display using an Arduino board. The system captures key presses from the user via the keypad and ...

Jon Gabay, aka Dr. Gizmology, continues his do-it-yourself series. Last month, this series showed how to use an IIC-to-parallel bus converter chip (the PCF8574) to completely connect and drive a ...