Keypad

In this tutorial , we are going to learn how to use keypad. We are going to read which button is pressed on keypad and its value will be printed on the display.

4x4 keypad

In adjecent image 4x4 keypad is shown. It has 16 buttons , 0 to 9 , A,B,C,D,*,# .

Blocks We are going to use

keypad block is in the 'other' catagory.

other catagory

keypad

keypad block

This block gives which button is pressed on the keypad. In the following image, values are shown for corresponding buttons

Return value for corresponding buttons on keypad

Example

keypad blocks

keypad

.txt

Download TXT • 791B

Output on board