arduino AHT20+BMP280模块

arduino AHT20+BMP280模块

#include <Wire.h>
#include <AHT20.h>
#include <Adafruit_BMP280.h>

#define SDA_PIN 4
#define SCL_PIN 5

AHT20 aht20;
Adafruit_BMP280 bmp;

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

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

  if (!aht20.begin()) {
    Serial.println("Could not find AHT20 sensor!");
    while (1);
  }

  if (!bmp.begin()) {
    Serial.println("Could not find BMP280 sensor!");
    while (1);
  }
}

void loop() {
  // Read AHT20 data
  int temperature_aht = aht20.getTemperature();
  int humidity_aht = aht20.getHumidity();

  if (!isnan(temperature_aht) && !isnan(humidity_aht)) {
    Serial.print("AHT20 Temperature: ");
    Serial.print(temperature_aht);
    Serial.println(" °C");

    Serial.print("AHT20 Humidity: ");
    Serial.print(humidity_aht);
    Serial.println(" %");
  } else {
    Serial.println("Failed to read AHT20 data!");
  }

  // Read BMP280 data
  int pressure_bmp = bmp.readPressure() / 100;
  int altitude_bmp = bmp.readAltitude(1013.25);

  Serial.print("BMP280 Pressure: ");
  Serial.print(pressure_bmp);
  Serial.println(" hPa");

  Serial.print("BMP280 Altitude: ");
  Serial.print(altitude_bmp);
  Serial.println(" meters");

  delay(2000); // Delay for 2 seconds before the next reading
}