#include <DHT.h>

#define DHTPIN 2          // Pin where the DHT22 is connected
#define DHTTYPE DHT22     // DHT22 sensor type

DHT dht(DHTPIN, DHTTYPE);

const int ledPin1 = 9;   // Pin for first LED
const int ledPin2 = 10;  // Pin for second LED

void setup() {
  Serial.begin(9600);
  dht.begin();

  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

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

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

  // Generate random pulse oximeter values
  int randomSpO2 = random(90, 100);  // Random value between 90 and 99
  int randomHeartRate = random(60, 100);  // Random value between 60 and 99

  Serial.print("Heart Rate: ");
  Serial.print(randomHeartRate);
  Serial.print(" bpm, ");

  Serial.print("Oxygen Saturation: ");
  Serial.print(randomSpO2);
  Serial.println(" %");

  // Control LEDs based on pulse oximeter values
  analogWrite(ledPin1, map(randomSpO2, 90, 100, 0, 255));
  analogWrite(ledPin2, map(randomHeartRate, 60, 100, 0, 255));

  delay(5000);  // Delay for 5 seconds before generating new values
}