Differences

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--- esp32_bme280_w_arduino_ide [2025/03/06 21:04] – created bruno
+++ esp32_bme280_w_arduino_ide [2025/03/10 15:27] (current) – bruno
@@ Line 1: / Line 1: @@
 ===== ESP32 + BME280 w/ Arduino IDE =====
-Sketch > Include Library > Manage Libraries > adafuit bme280
-(Sketch > Include Library > Manage Libraries > adafuit unified sensor)
+[[https://randomnerdtutorials.com/esp32-bme280-arduino-ide-pressure-temperature-humidity/]]
 **BMP280 vs BME280** -> https://www.wiki.lesfabriquesduponant.net/index.php?title=Capteur_BME280#Comment_distinguer_BME280_et_BMP280_.3F
@@ Line 9: / Line 9: @@
 **5V vs 3.3V** -> https://www.wiki.lesfabriquesduponant.net/index.php?title=Capteur_BME280#Connecter_BME_280_.C3.A0_l.27arduino
-** BME280 5V :**
+**J'ai un BME280 5V :**
 Connexion BME -> ESP
@@ Line 19: / Line 19: @@
 | SCL    | GPIO22|
+  * Sketch > Include Library > Manage Libraries > adafuit bme280
+  * (Sketch > Include Library > Manage Libraries > adafuit unified sensor)
+  * File > Examples > Adafruit BME280 library > bme280test
+  * Comment lines (ligne 20) ''#include <SPI.h>'' et de ''/*#define BME_SCK 13'' à ''#define BME_CS 10*/'' (line 24 à 27)
+  * Ajouter 0x76 (ligne 46) -> ''status = bme.begin(0x76);''
-File > Examples > Adafruit BME280 library > bme280test
-Comment lines
+=== Code ===
-<code c>
-//#include <SPI.h>
-</code>
-et
 <code c>
-/*#define BME_SCK 13
-#define BME_MISO 12
-#define BME_MOSI 11
-#define BME_CS 10*/
-</code>
-et ajoute 0x76 (ligne 46)
-<code c>
-status = bme.begin(0x76);
-</code>
-/!\ Serial monitor @ 9600 baud
+#include <Wire.h>
+#include <Adafruit_Sensor.h>
+#include <Adafruit_BME280.h>
+Adafruit_BME280 bme; // I2C
+void setup() {
+    Serial.begin(115200);
+    while(!Serial);    // time to get serial running
+    unsigned status;
+    status = bme.begin(0x76);
+    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();
+}
+void loop() {
+    printValues();
+    delay(1000);
+}
+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("Humidity = ");
+    Serial.print(bme.readHumidity());
+    Serial.println(" %");
+    Serial.println();
+}
+</code>