#define RED 25
#define YELLOW 26
#define GREEN 27
#define BLUE 33
#include "DHT.h"

#define DHT_PIN 15

 float temp=0;
 float hum=0;

void setup() {




  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(RED, OUTPUT);
  pinMode(YELLOW, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); 

 temp=dht.temperature();
 hum=dht.humidity();

  // digitalWrite(RED, HIGH);
  // delay(500);
  // digitalWrite(RED, HIGH);
  // digitalWrite(YELLOW, HIGH);
  // delay(500);
  // digitalWrite(RED, LOW);
  // delay(500);
  // digitalWrite(GREEN, HIGH);
  // delay(500);
  // digitalWrite(YELLOW, LOW);
  // delay(500);
  // digitalWrite(GREEN, LOW);
  // delay(500);
if((temp>=0||temp<=15) && (hum>=0||hum<=15)){
  digitalWrite(BLUE, HIGH);
  delay(200);
  digitalWrite(BLUE, LOW);
  delay(300);
}
else if((temp>=0||temp<=15) && (hum>=16||hum<=40)){
  digitalWrite(GREEN, HIGH);
  delay(200);
  digitalWrite(GREEN, LOW);
  delay(300);
}
else if((temp>=0||temp<=15) && (hum>=40||hum<=60)){
  digitalWrite(RED, HIGH);
  delay(200);
  digitalWrite(RED, LOW);
  delay(300);
}
else if((temp>=16||temp<=40) && (hum>=0||hum<=15)){
  digitalWrite(GREEN, HIGH);
  delay(200);
  digitalWrite(GREEN, LOW);
  delay(300);
}
else if((temp>=40||temp<=60) && (hum>=0||hum<=15)){
  digitalWrite(RED, HIGH);
  delay(200);
  digitalWrite(RED, LOW);
  delay(300);
}
else if((temp>=40||temp<=60) && (hum>=16||hum<=40)){
  digitalWrite(BLUE, HIGH);
  delay(200);
  digitalWrite(BLUE, LOW);
  delay(300);
}



}