ESP32_BMP280

BMP280.ino

/* This code is to use with Adafruit BMP280           (Metric)
 * It measures both temperature and pressure and it displays them on the Serial monitor with the altitude
 * It's a modified version of the Adafruit example code
 * Refer to www.surtrtech.com or SurtrTech Youtube channel
 */

#include <Wire.h>
#include <Adafruit_BMP280.h>

Adafruit_BMP280 bmp; // I2C Interface

void setup() {
  Serial.begin(9600);
  Serial.println(F("BMP280 test"));

  Wire.begin(21,22);
  //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);
}