Upload this and it will read the resistance of your buttons on the lcd screen
/* /*
Arduino 2x16 LCD Detect Buttons
resistance
*/
#include <LiquidCrystal.h>
//LCD pin to Arduino
const int pin_RS = 8;
const int pin_EN = 9;
const int pin_d4 = 4;
const int pin_d5 = 5;
const int pin_d6 = 6;
const int pin_d7 = 7;
const int pin_BL = 10;
LiquidCrystal lcd( pin_RS, pin_EN, pin_d4, pin_d5, pin_d6, pin_d7);
void setup() {
lcd.begin(16, 2);
lcd.setCursor(0,0);
lcd.print(" Press Any Key ");
lcd.setCursor(0,1);
lcd.print("Resistance:");
}
void loop() {
int x;
x = analogRead (0);
lcd.setCursor(12,1);
lcd.print (analogRead (0));
lcd.print(" ");
delay (500);
}