Monitor Suhu Tubuh Non Contact dan BPM ONLINE Blynk

 Monitor Suhu Tubuh Non Contact dan BPM ONLINE Blynk

        Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang digunakan untuk mengukur suhu tubuh dan bpm secara online via aplikasi Blynk. keuntungan alat ini yaitu bisa monitor secara jarak jauh dan juga bisa dimonitor dimanapun berada asalkan kedua device terkoneksi internet. untuk lebih jelasnya berikut adalah komponen dan programnya. 

a. Wemos D1 Mini

b. Sensor Suhu MLX90614

c. Sensor BPM max30102

d. LCD + I2C

e, Program Arduino IDE

#include <Wire.h>

#define  BLYNK_PRINT Serial  

#include <SPI.h>

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

#include <SimpleTimer.h>

#include "MAX30105.h"

#include <LiquidCrystal_I2C.h>

#include "heartRate.h"

#include <Adafruit_MLX90614.h>

LiquidCrystal_I2C lcd(0x27, 16,2);

MAX30105 particleSensor;

Adafruit_MLX90614 mlx = Adafruit_MLX90614();

float TargetC;

const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.

byte rates[RATE_SIZE]; //Array of heart rates

byte rateSpot = 0;

long lastBeat = 0; //Time at which the last beat occurred

float beatsPerMinute;

int beatAvg;

int counter;

char auth[] = "hgjhgjTJUIYRgfhjjhrerewiuoiuokjhkjgfh";

char ssid[] = "myHotspot";

char pass[] = "1234567";

SimpleTimer timer;

const int speakerPin = 12;

int ledmerah = 14;

int ledhijau = 2;

void sendSensor()

{

 Blynk.virtualWrite(V5, TargetC);

 Blynk.virtualWrite(V6, beatsPerMinute);

 delay(1000);

}

void setup()

{

  

  lcd.clear();

  lcd.begin();

  lcd.noCursor();

  Serial.begin(115200);

  Serial.println("Initializing...");

   pinMode(ledmerah,OUTPUT);

   pinMode(ledhijau,OUTPUT);

   pinMode(speakerPin, OUTPUT);

   digitalWrite(ledmerah,LOW);

   digitalWrite(ledhijau,LOW);

   

Blynk.begin(auth, ssid, pass);

timer.setInterval(1000L, sendSensor);

}

void loop()

{

    // Initialize sensor

  if (!particleSensor.begin(Wire, I2C_SPEED_FAST)) //Use default I2C port, 400kHz speed

  {

    Serial.println("MAX30105 was not found. Please check wiring/power. ");

    while (1);

  }

  Serial.println("Place your index finger on the sensor with steady pressure.");

  particleSensor.setup(); //Configure sensor with default settings

  particleSensor.setPulseAmplitudeRed(0x0A); //Turn Red LED to low to indicate sensor is running

  particleSensor.setPulseAmplitudeGreen(0); //Turn off Green LED

  long irValue = particleSensor.getIR();

  if (checkForBeat(irValue) == true)

  {

    //We sensed a beat!

    long delta = millis() - lastBeat;

    lastBeat = millis();

    beatsPerMinute = 60 / (delta / 1000.0);

    if (beatsPerMinute < 255 && beatsPerMinute > 20)

    {

      rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array

      rateSpot %= RATE_SIZE; //Wrap variable

      //Take average of readings

      beatAvg = 0;

      for (byte x = 0 ; x < RATE_SIZE ; x++)

        beatAvg += rates[x];

      beatAvg /= RATE_SIZE;

    }

  }

  counter++;

if(counter > 100){

 counter = 0;

 mlx.begin();

 TargetC = mlx.readObjectTempC();

 lcd.setCursor(0,1);

 lcd.print("Temp= ");

 lcd.print(TargetC);

 lcd.println(" 'C     ");

 if (TargetC <=  37.5) {

   digitalWrite(speakerPin, LOW);  

   digitalWrite(ledmerah,LOW);  

   digitalWrite(ledhijau,HIGH);

  }

 if (TargetC > 37.5 ) {

   digitalWrite(speakerPin, HIGH);

   digitalWrite(ledmerah,HIGH);

   digitalWrite(ledhijau,LOW);

   delay (3000);

 }

      

 Blynk.run();

 timer.run();

}

  lcd.setCursor(0,0);

  lcd.print("BPM= ");

  lcd.print(beatsPerMinute);

  lcd.println("       ");

      

  Serial.print("IR=");

  Serial.print(irValue);

  Serial.print(", BPM=");

  Serial.print(beatsPerMinute);

  Serial.print(", Avg BPM=");

  Serial.print(beatAvg);

  if (irValue < 50000)

    Serial.print(" No finger?");

  Serial.println();

}

f. VIDEO HASILNYA