In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...

This project is an Arduino-based RFID reader designed to distinguish between known pets ("good kitties") and unknown animals ("bad kitties"). When an unrecognized animal is detected via its RFID tag, ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...