#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR   0x27
#define LCD_COLUMNS 20
#define LCD_LINES 4
const int DHT_PIN = A0;
const int analogInPin = A0;
const int Relay = 2;

int sensorValue = 0;
int outputValue = 0;
DHTesp dhtSensor;
LiquidCrystal_I2C lcd(I2C_ADDR,LCD_COLUMNS, LCD_LINES);

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN,DHTesp::DHT22);
  pinMode(Relay, OUTPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  sensorValue = analogRead(analogInPin);
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  outputValue = map(sensorValue, 0, 1023, 100, 0);
  Serial.println("Temp: " + String(data.temperature,2) + "C");
  Serial.println("Humidity: "+String(data.humidity,1) + "%");
  Serial.print(outputValue);
  Serial.println("%");
  lcd.setCursor(0,0);
  lcd.print("Temp : ");
  lcd.print(String(data.temperature,2));
  lcd.setCursor(0,1);
  lcd.print("Humidity : ");
  lcd.print(String(data.humidity,1));
  lcd.setCursor(0,2);
  lcd.print("Pump On :");


  if (outputValue <= 70){
  digitalWrite(Relay, HIGH);
}
  else {
    digitalWrite(Relay, LOW);
}
  delay(1000);

}
NOCOMNCVCCGNDINLED1PWRRelay Module