weather-station-cloud

//nodemcu-esp32s bme280 + blynk app weather station #include <Wire.h> #include <BlynkSimpleEsp32.h> #include <Adafruit_Sensor.h> #include <Adafruit_BME280.h> #define SEALEVELPRESSURE_HPA (1013.25) #define BMP280_ADDRESS (0x77) //Setup connection of the sensor Adafruit_BME280 bme; // I2C

char auth[] = "**********************";
char ssid[] = "**********";
char pass[] = "**********";

BlynkTimer timer;

//Variables

float temperature;  //To store the temperature (oC
float humidity;     //To store the humidity (%) (you can also use it as a float variable)
float pressure;     //To store the barometric pressure (Pa)
int altimeter;      //To store the humidity (%) (you can also use it as a float variable)

void setup() {
  bme.begin(0x76);    //Begin the sensor
  Serial.begin(9600); //Begin serial communication at 9600bps
  Serial.println("Adafruit BME280 test:");
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(2000L, ReadSensors);   // read sensor every 5s 
}

void ReadSensors(){
  //Read values from the sensor:
  pressure = bme.readPressure();
  temperature = bme.readTemperature();
  humidity = bme.readHumidity ();
 
  Blynk.virtualWrite(V1, temperature);  // write temperature to V1 value display widget
  Blynk.virtualWrite(V2, humidity);    // write Relative Humidity to V2 value display widget
  Blynk.virtualWrite(V3, pressure/100); // write pressure to V3 value display widget
  
  //Print values to serial monitor:
  Serial.print(F("Pressure: "));
  Serial.print(pressure);
  Serial.print(" Mb");
  Serial.print("\t");
  Serial.print(("Temp: "));
  Serial.print(temperature);
  Serial.print(" °C");
  Serial.print("\t");
  Serial.print("Humidity: ");
  Serial.print(humidity); // this should be adjusted to your local forcase
  Serial.println(" %");    
  //delay(2000); //Update every 5 sec  
}

void loop() {
  Blynk.run();
    timer.run();      
    }