Arduino LCD Water Sensor Project

// include the library code:

#include <LiquidCrystal.h>

//initialise the library with the numbers of the interface pins

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int resval = 0; // holds the value

int respin = A5; // sensor pin used

void setup() {

// set up the LCD's number of columns and rows:

lcd.begin(16, 2);

// Print a message to the LCD.

lcd.print("WATER LEVEL: ");

}

void loop() {

// set the cursor to column 0, line 1

lcd.setCursor(0, 1);

resval = analogRead(respin); //Read data from analog pin and store it to resval variable

if (resval<=100){ lcd.println("Empty "); } else if (resval>100 && resval<=300){ lcd.println("Low "); } else if (resval>300 && resval<=330){ lcd.println("Medium "); } else if (resval>330){

lcd.println("High ");

}

delay(1000);

}