How to Use LCD Keypad Shield for Arduino

Jun 18, 2020 · 1 min read · Arduino Arduino uno lcd keypad shield ·

Introduction

In this tutorial, we will learn on how to use the LCD Keypad Shield for Arduino. This shield is compatible for Arduino Uno and Arduino Mega.

Pin assignments

From this pin assignments, we can conclude that the following pins are free and available to be use for other purposes.

Digital pins: 0, 1, 2, 3, 11, 12, and 13. Analog pins: A1 to A5.

Video Demonstration

Source Code

 1#include "LiquidCrystal.h"
 2
 3LiquidCrystal lcd( 8,  9,  4,  5,  6,  7);
 4
 5void setup() {
 6 lcd.begin(16, 2);
 7 lcd.setCursor(0,0);
 8 lcd.print("  TechToTinker  ");
 9 lcd.setCursor(0,1);
10 lcd.print("Press Key:");
11}
12
13void loop() {
14 int x;
15 x = analogRead (0);
16 lcd.setCursor(10,1);
17 
18 if (x < 60) {
19   lcd.print ("Right ");
20 }
21 else if (x < 200) {
22   lcd.print ("Up    ");
23 }
24 else if (x < 400){
25   lcd.print ("Down  ");
26 }
27 else if (x < 600){
28   lcd.print ("Left  ");
29 }
30 else if (x < 800){
31   lcd.print ("Select");
32 }
33}

...

cpp

Source Code

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How to Use LCD Keypad Shield for Arduino

Introduction

Pin assignments

Video Demonstration

Source Code

Source Code

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