#include "DHT.h"

#define DHTPIN 15
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

void setup() {

  Serial.begin(115200);

  dht.begin();

  randomSeed(analogRead(0));

  Serial.println("Industrial IoT Machine Monitoring Started");
  Serial.println("---------------------------------------");
}


void loop() {

  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // Simulated vibration value
  float vibration = random(0, 100) / 10.0;


  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("DHT22 Reading Failed");
    return;
  }


  Serial.println("Machine ID: CNC_MACHINE_01");

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


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


  Serial.print("Vibration Level: ");
  Serial.println(vibration);


  if (vibration > 7.0) {

    Serial.println("Machine Status: WARNING");

  } 
  else {

    Serial.println("Machine Status: NORMAL");

  }


  Serial.println("---------------------------------------");

  delay(2000);
}