Senzor presiune si temperatura, BMP280, 5V

#include <Adafruit_BMP280.h>

Adafruit_BMP280 bmp; // I2C Interface

void setup() {

  Serial.begin(9600);

  Serial.println(F("BMP280 test"));

  //if (!bmp.begin()) {

  if (!bmp.begin(0x76,0x58)) {

    Serial.println(F("Could not find a valid BMP280 sensor, check wiring!"));

    while (1);

  }

  /* Default settings from datasheet. */

  bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */

                  Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */

                  Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */

                  Adafruit_BMP280::FILTER_X16,      /* Filtering. */

                  Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */

}

void loop() {

    Serial.print(F("Temperature = "));

    Serial.print(bmp.readTemperature());

    Serial.println(" *C");

    Serial.print(F("Pressure = "));

    Serial.print(bmp.readPressure()/100); //displaying the Pressure in hPa, you can change the unit

    Serial.println(" hPa");

    Serial.print(F("Approx altitude = "));

    Serial.print(bmp.readAltitude(1019.66)); //The "1019.66" is the pressure(hPa) at sea level in day in your region

    Serial.println(" m");                    //If you don't know it, modify it until you get your current altitude

    Serial.println();

   delay(2000);

}