Technical details
- 22 mm × 22 mm square
- 4× ⌀2.7 mm Mounting Holes
- Pressure: 300 – 1100 hPa, ±1 hPa
- Humidity: 0 – 100 % RH, ±3 % RH
- Temperature: −40 °C – +85 °C, ±0.5 °C
- I²C (0x76/0x77) or SPI up to 10 MHz
- 1.8 V, 3.3 V, 5.0 V
- Arduino IDE Compatible
- MicroPython Compatible
- MicroBlocks Compatible
Drag to rotate
Pinout & connections
Arduino example
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#define SEALEVELPRESSURE_HPA (1013.25)
Adafruit_BME280 bme;
unsigned long delayTime;
void setup() {
Serial.begin(9600);
while (!Serial)
;
Serial.println(F("BME280 test"));
Wire.begin();
unsigned status;
status = bme.begin();
if (!status) {
Serial.println("Could not find a valid BME280 sensor, check wiring, address, sensor ID!");
Serial.print("SensorID was: 0x");
Serial.println(bme.sensorID(), 16);
Serial.print(" ID of 0xFF probably means a bad address, a BMP 180 or BMP 085\n");
Serial.print(" ID of 0x56-0x58 represents a BMP 280,\n");
Serial.print(" ID of 0x60 represents a BME 280.\n");
Serial.print(" ID of 0x61 represents a BME 680.\n");
while (1) delay(10);
}
Serial.println("-- Default Test --");
delayTime = 1000;
Serial.println();
}
void loop() {
printValues();
delay(delayTime);
}
void printValues() {
Serial.print("Temperature = ");
Serial.print(bme.readTemperature());
Serial.println(" °C");
Serial.print("Pressure = ");
Serial.print(bme.readPressure() / 100.0F);
Serial.println(" hPa");
Serial.print("Approx. Altitude = ");
Serial.print(bme.readAltitude(SEALEVELPRESSURE_HPA));
Serial.println(" m");
Serial.print("Humidity = ");
Serial.print(bme.readHumidity());
Serial.println(" %");
Serial.println();
}