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This sample code is for measuring surrounding air pressure's tutorial using Grove Air Pressure Sensor(BMP280)
#include "Seeed_BMP280.h"
#include <Wire.h>
#include <Arduino.h>
#include <U8x8lib.h>
U8X8_SSD1306_128X64_ALT0_HW_I2C u8x8(/* reset=*/ U8X8_PIN_NONE);
BMP280 bmp280;
void setup() {
Serial.begin(9600);
u8x8.setBusClock(100000); // If you breakout other modules, please enable this line
u8x8.begin();
u8x8.setPowerSave(0);
u8x8.setFlipMode(1);
if (!bmp280.init()) {
Serial.println("Device not connected or broken!");
}
}
void loop() {
float pressure;
u8x8.setFont(u8x8_font_chroma48medium8_r);
u8x8.setCursor(0, 0);
u8x8.print("P:");
u8x8.print(pressure = bmp280.getPressure());
u8x8.print("Pa");
u8x8.setCursor(0, 30);
u8x8.print("A:");
u8x8.print(bmp280.calcAltitude(pressure));
u8x8.print("m");
u8x8.refreshDisplay();
delay(200);
//float pressure;
//get and print temperatures
Serial.print("Temp: ");
Serial.print(bmp280.getTemperature());
Serial.println("C"); // The unit for Celsius because original arduino don't support speical symbols
//get and print atmospheric pressure data
Serial.print("Pressure: ");
Serial.print(pressure = bmp280.getPressure());
Serial.println("Pa");
//get and print altitude data
Serial.print("Altitude: ");
Serial.print(bmp280.calcAltitude(pressure));
Serial.println("m");
Serial.println("\n");//add a line between output of different times.
delay(1000);
}
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