arduino BMP280 气压 海拔 高度

arduino BMP280 气压 海拔 高度

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

#define SDA_PIN 4
#define SCL_PIN 5

Adafruit_BMP280 bmp;

void setup() {
  Serial.begin(9600);

    // 指定 SDA 和 SCL 引脚
  Wire.begin(SDA_PIN, SCL_PIN);

  if (!bmp.begin(0x76)) {
    Serial.println("Could not find a valid BMP280 sensor, check wiring!");
    while (1);
  }
}

void loop() {
  float temperature = bmp.readTemperature();
  float pressure = bmp.readPressure() / 100.0;
  float altitude = bmp.readAltitude(1013.25);

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" °C");

  Serial.print("Pressure: ");
  Serial.print(pressure);
  Serial.println(" hPa");

  Serial.print("Altitude: ");
  Serial.print(altitude);
  Serial.println(" meters");

  Serial.println();

  delay(1000);
}