CODE FORMATIVE ACTIVITY 1

#include <Arduino.h> 

#include <DHT.h> 

  

const int DHTPIN = 15;     // Pin where the sensor is connected 

#define DHTTYPE DHT22      // Defining the sensor type as DHT22 

  

DHT dht(DHTPIN, DHTTYPE); 

  

void setup() { 

  Serial.begin(115200); // Opens the communication channel with the Serial Monitor 

  dht.begin();          // Initializes the sensor hardware 

  Serial.println("--- SIGNAL MONITORING SYSTEM INITIALIZED ---"); 

} 

  

void loop() { 

  delay(1500); // Wait a moment for a stable reading interval 

  

  // Read the environmental variables from the sensor 

  float humidity = dht.readHumidity(); 

  float temperature = dht.readTemperature(); 

  

  // Print the results directly onto the Serial Monitor 

  Serial.print("Signal Received -> Humidity: "); 

  Serial.print(humidity, 1); 

  Serial.print("%  |  Temperature: "); 

  Serial.print(temperature, 1); 

  Serial.println("°C"); 

}