/* Laurien Hofkens     7/05/2024
 * Grondvochtigheidssensor
 */

#include <Servo.h>
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
int waarde = 0;
LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x3F for a 16 chars and 2 line display 

Servo myservo;  // create servo object to control a servo

int potpin = A0;  // analog pin used to connect the potentiometer
int analogValue;    // variable to read the value from the analog pin

void setup() 
{
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object

  lcd.init();                       // initialize the lcd 
  lcd.backlight();                  // zet achtergrondverlichting aan                
  lcd.setCursor(3,0);               // zet cursor op 4e plaats op 1e rij
  lcd.print("Laurien");             // zet tekst op LCD
  pinMode(A0, INPUT);               // zet A0 als input
}


void loop() 
{
  analogValue = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023)
  map(analogValue, 0, 1023, 0, 180);     // scale it for use with the servo (value between 0 and 180)
  myservo.write(90);                  // sets the servo position according to the scaled value
  delay(15);                           // waits for the servo to get there
   

 if (analogValue < 200)
  {
   //waarde = analogRead(A0);
   lcd.setCursor(5,1); 
   lcd.print(analogValue);
   lcd.setCursor(5,2);
   lcd.print("Grote dorst");
   analogValue = analogRead(potpin);            
   map(analogValue, 0, 1023, 0, 180);     
   myservo.write(180);                  
   delay(500); 
  }

else
{
 if (200 < analogValue < 500)
  {
    lcd.setCursor(5,1);
    lcd.print(analogValue);
    lcd.setCursor(5,2);
    lcd.print("Dorst");
    delay(200);
  }

 if (500 < analogValue < 800)
 {
  lcd.setCursor(5,1);
  lcd.print(analogValue);
  lcd.setCursor(5,2);
  lcd.print("OK  ");
  delay(200);
 }

 if (800 < analogValue)
 {
  lcd.setCursor(5,1);
  lcd.print(analogValue);
  lcd.setCursor(5,2);
  lcd.print("Verdrinkt");
  delay(200);
 }
}
}