#include <DHTesp.h>

DHTesp dhtSensor;
const int DHT_PIN = 15;
const int dataPin = 2; 
const int clockPin = 0; 
const int latchPin = 4; 

int temperature = 0; 
int humidity = 0;
int ledState = 0;

void setup() {
Serial.begin(115200);

dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

pinMode(dataPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(latchPin, OUTPUT);
}

void loop() {

TempAndHumidity data = dhtSensor.getTempAndHumidity();
temperature = int(data.temperature);
humidity = int(data.humidity);

Serial.print("Temperature: ");
Serial.print(temperature);
Serial.println(" °C");

Serial.print("Humidity: ");
Serial.print(humidity);
Serial.println(" %");

int ledIndex = map(temperature, 20, 40, 0, 7);
ledIndex = constrain(ledIndex, 0, 7); 

ledState = 1 << ledIndex;

digitalWrite(latchPin, LOW);
shiftOut(dataPin, clockPin, LSBFIRST, ledState);
digitalWrite(latchPin, HIGH);

delay(2000); 
}