#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define STEP_PIN 5
#define DIR_PIN 16
#define ENA_PIN 19

void setup() {
  Serial.begin(115200);
  pinMode(STEP_PIN, OUTPUT);
  pinMode(DIR_PIN , OUTPUT);
  pinMode(ENA_PIN , OUTPUT);
  pinMode(34 , INPUT);
  
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Water flow rate ");
  lcd.setCursor(0, 1);
  lcd.print("using pid ");
  delay(3000);
  lcd.clear();

}
  void loop() {
    int a=analogRead(34);
     Serial.println(a);
  int b=map(a,0,4095,1000,0);
  Serial.println("STEPPER MOTOR : CW");
  digitalWrite(DIR_PIN, b); // Set direction to clockwise
  digitalWrite(ENA_PIN, LOW);  // Enable the motor
  digitalWrite(STEP_PIN, b);
  delay(1);
  digitalWrite(STEP_PIN, LOW);
  delay(1);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Moisture lvl :");
  lcd.print(a);
  lcd.setCursor(0, 1);
  lcd.print("speed :");
  lcd.print(b);
  delay(1000);

}