arduino lcd temperatur heart rate

#define USE_ARDUINO_INTERRUPTS true
#define ONE_WIRE_BUS 2
#include <DallasTemperature.h>
#include <PulseSensorPlayground.h>
#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27,16,2);

const int PulseWire = 0;
const int ledPin1 =  LED_BUILTIN;
const int ledPin2 =  12;
int PulseSensorPurplePin = 0;
int Signal;
int Threshold = 550;
int count = 0;
int ledState1 = LOW;
int ledState2 = LOW;

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
PulseSensorPlayground pulseSensor;

unsigned long previousMillis1 = 0;
unsigned long previousMillis2 = 0;
unsigned long previousMillis3 = 0;
unsigned long previousMillis4 = 0;

const long interval1 = 500;
const long interval2 = 20;
const long interval3 = 1000;
const long interval4 = 750;

byte Colokan1[] = {
  B11111,
  B10001,
  B10001,
  B01110,
  B00100,
  B00100,
  B00100,
  B00100
};

byte Kabel1[] = {
  B00100,
  B00100,
  B00100,
  B00100,
  B00100,
  B00100,
  B00100,
  B11100
};

byte Kabel2[] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B11111
};

byte Kabel3[] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B11100,
  B00100,
  B00100,
  B00111
};

byte Power1[] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B11111,
  B11111,
  B11111,
  B11111
};

byte Temp1[] = {
  B01110,
  B01010,
  B01010,
  B01010,
  B01110,
  B11111,
  B11111,
  B01110
};

byte Temp2[] = {
  B00110,
  B01001,
  B01001,
  B00110,
  B00000,
  B00000,
  B00000,
  B00000
};

byte Heart1[] = {
  B00000,
  B01010,
  B11111,
  B11111,
  B11111,
  B01110,
  B00100,
  B00000
};

void setup() {
  lcd.begin();
  lcd.backlight();
  sensors.begin();
  pulseSensor.analogInput(PulseWire);
  pulseSensor.setThreshold(Threshold);
  Serial.begin(9600);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  lcd.createChar(0, Colokan1);
  lcd.createChar(1, Kabel1);
  lcd.createChar(2, Kabel2);
  lcd.createChar(3, Kabel3);
  lcd.createChar(4, Power1);
  lcd.createChar(5, Temp1);
  lcd.createChar(6, Temp2);
  lcd.createChar(7, Heart1);
  lcd.clear();

  lcd.setCursor(6,0);
  lcd.write(byte(0));
  lcd.setCursor(7,0);
  lcd.print("ON");
  lcd.setCursor(6,1);
  lcd.write(byte(1));
  lcd.setCursor(5,1);
  lcd.write(byte(2));
  lcd.setCursor(4,1);
  lcd.write(byte(2));
  lcd.setCursor(3,1);
  lcd.write(byte(2));
  lcd.setCursor(2,1);
  lcd.write(byte(2));
  lcd.setCursor(1,1);
  lcd.write(byte(3));
  lcd.setCursor(0,1);
  lcd.write(byte(4));
  delay(3000);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.print("GONIT SENSOR");

  lcd.setCursor(0,1);
  lcd.print("VERSION 1.0");
  delay(3000);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.write(byte(5));
  lcd.setCursor(2,0);
  lcd.print("0");
  lcd.write(byte(6));
  lcd.print("C");

  if (pulseSensor.begin()) {
    lcd.setCursor(0,1);
    lcd.write(byte(7));
    lcd.setCursor(2,1);
    lcd.print("0");
  }
  delay(3000);
}

void loop() {
  unsigned long currentMillis = millis();

  if (currentMillis - previousMillis1 >= interval1) {
    previousMillis1 = currentMillis;
    sensors.requestTemperatures();
    lcd.setCursor(0,0);
    lcd.write(byte(5));
    lcd.setCursor(2,0);
    lcd.print(sensors.getTempCByIndex(0));
    lcd.write(byte(6));
    lcd.print("C");
  }

  int myBPM = pulseSensor.getBeatsPerMinute();
  Signal = analogRead(PulseSensorPurplePin);

  if (currentMillis - previousMillis2 >= interval2) {
    previousMillis2 = currentMillis;
    if (pulseSensor.sawStartOfBeat()) {
      lcd.setCursor(0,1);
      lcd.write(byte(7));
      lcd.setCursor(2,1);
      lcd.print(myBPM);
      Serial.println(myBPM);
    }
  }

  if (currentMillis - previousMillis3 >= interval3) {
    previousMillis3 = currentMillis;
    if (ledState1 == LOW) {
      ledState1 = HIGH;
    } else {
      ledState1 = LOW;
    }
    digitalWrite(ledPin1, ledState1);
  }

  if (currentMillis - previousMillis4 >= interval4) {
    previousMillis4 = currentMillis;
    if (ledState2 == LOW) {
      ledState2 = HIGH;
    } else {
      ledState2 = LOW;
    }
    digitalWrite(ledPin2, ledState2);
  }
}