Wiki

Sketch > Include Library > Manage Libraries > adafuit bme280

(Sketch > Include Library > Manage Libraries > adafuit unified sensor)

BMP280 vs BME280 → https://www.wiki.lesfabriquesduponant.net/index.php?title=Capteur_BME280#Comment_distinguer_BME280_et_BMP280_.3F

5V vs 3.3V → https://www.wiki.lesfabriquesduponant.net/index.php?title=Capteur_BME280#Connecter_BME_280_.C3.A0_l.27arduino

BME280 5V :

Connexion BME → ESP

File > Examples > Adafruit BME280 library > bme280test

Comment lines

//#include <SPI.h>

et

/*#define BME_SCK 13
#define BME_MISO 12
#define BME_MOSI 11
#define BME_CS 10*/

et ajoute 0x76 (ligne 46)

status = bme.begin(0x76);

/!\ Serial monitor @ 9600 baud

#include <Wire.h>
//#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
 
/*#define BME_SCK 13
#define BME_MISO 12
#define BME_MOSI 11
#define BME_CS 10*/
 
#define SEALEVELPRESSURE_HPA (1013.25)
 
Adafruit_BME280 bme; // I2C
//Adafruit_BME280 bme(BME_CS); // hardware SPI
//Adafruit_BME280 bme(BME_CS, BME_MOSI, BME_MISO, BME_SCK); // software SPI
 
unsigned long delayTime;
 
void setup() {
    Serial.begin(9600);
    while(!Serial);    // time to get serial running
    Serial.println(F("BME280 test"));
 
    unsigned status;
 
    // default settings
    status = bme.begin(0x76);  
    // You can also pass in a Wire library object like &Wire2
    // status = bme.begin(0x76, &Wire2)
    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();
}