const int pinR = 19; 
const int pinG = 18; 
const int pinB = 5; 
 
#include "DHTesp.h" 
 
const int DHT_PIN = 15; 
 
DHTesp dhtSensor; 
 
void setup() { 
  pinMode(pinR, OUTPUT); 
  pinMode(pinG, OUTPUT); 
  pinMode(pinB, OUTPUT); 
 
  Serial.begin(115200); 
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22); 
} 
 
void loop(){ 
  TempAndHumidity  data = dhtSensor.getTempAndHumidity(); 
   if (data.temperature <= 0) { 
   digitalWrite(pinB, HIGH);  
   digitalWrite(pinG, LOW); 
   digitalWrite(pinR, LOW); // Синій колір при t ≤ 0°C 
  } else if (data.temperature > 0 && data.temperature <= 30) { 
   digitalWrite(pinG, HIGH); 
   digitalWrite(pinB, LOW); 
   digitalWrite(pinR, LOW);  // Зелений колір при 0°C < t ≤ 30°C 
  } else if (data.temperature > 30){ 
    digitalWrite(pinR, HIGH); 
    digitalWrite(pinB, LOW); 
    digitalWrite(pinG, LOW);  // Червоний колір при t > 30°C 
  } 
  Serial.println("Temp: " + String(data.temperature, 2) + "°C"); 
  Serial.println("Humidity: " + String(data.humidity, 1) + "%"); 
  Serial.println("---"); 
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate) 
}