Display LCD + Modulo sensor de Temperatura y Humedad Dht11 + sensor pulso cardíaco

LCD + Dht11 + sensor pulso cardiaco

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//Display LCD + Modulo sensor de Temperatura y Humedad Dht11 + sensor cardíaco


//Librerias
#include <LiquidCrystal.h> //libreria LCD
#include <DHT.h> // Incluimos librería sensor Temperatura y Humedad 
#define USE_ARDUINO_INTERRUPTS true    // Set-up low-level interrupts for most acurate BPM math.
#include <PulseSensorPlayground.h>     // Includes the PulseSensorPlayground Library.  

//LCD pin to Arduino
const int pin_RS = 8; 
const int pin_EN = 9; 
const int pin_d4 = 4; 
const int pin_d5 = 5; 
const int pin_d6 = 6; 
const int pin_d7 = 7; 

const int pin_BL = 10; 

LiquidCrystal lcd( pin_RS,  pin_EN,  pin_d4,  pin_d5,  pin_d6,  pin_d7);

// sensor temperatura y humedad
#define DHTPIN 2 // Definimos el pin digital donde se conecta el sensor
#define DHTTYPE DHT11 // Dependiendo del tipo de sensor

DHT dht(DHTPIN, DHTTYPE); // Inicializamos el sensor DHT11

long previousMillis = 0;        // will store last time LED was updated
int k = 0;  
float h = 0;
float t = 0;

//Heart sensor
const int PulseWire = A3;       // PulseSensor PURPLE WIRE connected to ANALOG PIN 0
int Threshold = 511;           // Determine which Signal to "count as a beat" and which to ignore.
                               
PulseSensorPlayground pulseSensor;  // Creates an instance of the PulseSensorPlayground object called "pulseSensor"
 

#define UN_SEGUNDO 750


void setup() {
  
  //LCD
  lcd.begin(16, 2);

  lcd.setCursor(0,0);
  lcd.print("HIPSIBIUS");
  delay (2000);
  lcd.clear();

  // sensor DHT11
  Serial.begin(9600); // Inicializamos comunicación serie
  dht.begin();  // Comenzamos el sensor DHT

  //heart sensor
  pulseSensor.analogInput(PulseWire);   
  pulseSensor.setThreshold(Threshold);   
  // Double-check the "pulseSensor" object was created and "began" seeing a signal. 
  pulseSensor.begin();
}



void leerSensores() {
  // sensor temperatura
  // Leemos la humedad relativa
  h = dht.readHumidity();
  // Leemos la temperatura en grados centígrados (por defecto)
  t = dht.readTemperature();

  
}


void actualizarDisplay() {
  lcd.clear();
  lcd.setCursor(0,0);

  // Comprobamos si ha habido algún error en la lectura
  if (isnan(h) || isnan(t)) {
    lcd.print ("Error sensor Temp");
  }else if(k<5){
    lcd.print ("Humedad: ");
    lcd.setCursor(1,1);
    lcd.print (h);
    lcd.setCursor(10,1);
    lcd.print ("%");
  }else if (k<10){
    lcd.print ("Temperatura ");
    lcd.setCursor(1,1);
    lcd.print (t);
    lcd.setCursor(10,1);
    lcd.print ("C");    
  }else {
    int myBPM = pulseSensor.getBeatsPerMinute();  // Calls function on our pulseSensor object that returns BPM as an "int".                                              // "myBPM" hold this BPM value now.  
    pulseSensor.sawStartOfBeat();
    Serial.println (myBPM);
    if (myBPM>45){
    myBPM = map(myBPM, 46, 100, 59, 100);
    lcd.print ("BPM ");
    lcd.setCursor(1,1);
    lcd.print (myBPM);
    lcd.setCursor(10,1); 
    }else{  
    lcd.print ("BPM ");
    lcd.setCursor(1,1);
    lcd.print ("sin datos");
    lcd.setCursor(10,1); 
    }
     
      
      
  }