Displaying "Hello World" on a 16x2 LiquidCrystal Display using an Arduino board is a common project for beginners. To do this, the display needs to be connected to the board by using the following ...

const byte ROWS = 4; //Four rows const byte COLS = 4; //Four columns char keys[ROWS][COLS] = { {'1','2','3','A'}, {'4','5','6','B'}, {'7','8','9','C'}, {'S','0','H ...

This one’s a bit abstract. Remember those LCD games that became quite popular sometime in the 1990’s? You know, the ones that had only one game, usually a character that could be moved back and forth ...

In this tutorial, we will learn to Guide you about how you can interface a heartbeat sensor with an Arduino to measure live-heartbeat of any person. We will be also interfacing an OLED display to the ...

Here, we explain about how to interface 16×2 LCD module to AT89C51 which is a 8051 family microcontroller and also we provide the code in C language which is working fine without any errors. Here, we ...