STM32_DHT11.ino

#include <Wire.h>      //Library for using I2C 

#include <LiquidCrystal_I2C.h>  //Library for using I2C type LCD display

#include <DHT.h>                    //Library for using DHT sensor 


#define DHTPIN PA1 


#define DHTTYPE DHT11


LiquidCrystal_I2C lcd(0x27, 16, 2);  //initilize object lcd for class LiquidCrystal_I2C with I2C address of 0x27 and 16x2 type LCD display


DHT dht(DHTPIN, DHTTYPE);     //initilize object dht for class DHT with DHT pin with STM32 and DHT type as DHT11


void setup()

{

  // initialize the LCD

  lcd.begin();

  dht.begin();          //Begins to receive Temperature and humidity values.                        

  lcd.backlight();      // Turn on the blacklight and print a welcome message.

  lcd.setCursor(0,0);

  lcd.print("_______");

  lcd.setCursor(0,1);

  lcd.print("DHT11 with STM32");

  delay(3000);

  lcd.clear();

}


void loop()

{

  float h = dht.readHumidity();       //Gets Humidity value

  float t = dht.readTemperature();    //Gets Temperature value

  lcd.setCursor(0,0);

  lcd.print("Temp: ");

  lcd.print(t);

  lcd.print(" C");

  lcd.setCursor(0,1);

  lcd.print("Humid: ");

  lcd.print(h);

  lcd.print(" %");

}