Bmp280

Using Arduino Sensors
5

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I connected the pin of the bmp280 sensor like this:

  • VCC-->3,3V
  • GND-->GND
  • SCL-->12
  • SDA-->11
  • SDO-->GND

And this is the code:

#include "ThingSpeak.h"
#include <Wire.h>
#include <Adafruit_BMP085.h>  // la libreria Adafruit BMP085 funziona anche per il sensore BMP180
#include <SPI.h>
#include <Ethernet.h>

#define USE_ETHERNET_SHIELD


Adafruit_BMP085 bmp;

// Configurazione indirizzo mac della Ethernet shield
   byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
   EthernetClient client;


// inseriamo i valori del nostro canale Thingspeak

unsigned long myChannelNumber = ******;
const char * myWriteAPIKey = "********";


void setup() {
  // inizializziamo le componenti
  Ethernet.begin(mac);
  ThingSpeak.begin(client);
  bmp.begin();
}

void loop() {

  
    //ThingSpeak.setField(1,bmp.readTemperature());

    
    float temperatura = bmp.readTemperature();
    Serial.print("Temperatura");
    Serial.println(temperatura);
    ThingSpeak.setField(1,temperatura);
    float pressure_mb = (bmp.readPressure())/100; // diviso 100 per avere la lettura in millibar
    ThingSpeak.setField(2,pressure_mb);
    

    

  // Manda i valori che hai impostato tutti in una sola volta.
  ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);  

 delay(20000); // ThingSpeak accetterà solo aggiornamenti ogni 15 secondi. 
}

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