Arduino/TempLCD/DHT11.ino

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2022-02-20 21:23:17 +00:00
/*
DHT11
This example reads a DHT11 sensor hooked up on pin D7. Reads both
temperature and humidity and sends it to the Serial port
created in Feb 2019 by D. Cuartielles
based on work by F. Vanzati (2011) and M. Loglio (2013)
This example code is in the public domain.
*/
// include the EduIntro library
#include <EduIntro.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x3F, 16, 2);
DHT11 dht11(D9); // creating the object sensor on pin 'D7'
int C; // temperature C readings are integers
float F; // temperature F readings are returned in float format
int H; // humidity readings are integers
void setup()
{
// initialize serial communications at 9600 bps
Serial.begin(9600);
lcd.init();
lcd.backlight();
// lcd.print("you just lost the game");
}
void loop()
{
// lcd.display();
lcd.clear();
lcd.home();
//lcd.print("you just lost the game");
dht11.update();
C = dht11.readCelsius(); // Reading the temperature in Celsius degrees and store in the C variable
F = dht11.readFahrenheit(); // Reading the temperature in Fahrenheit degrees and store in the F variable
H = dht11.readHumidity(); // Reading the humidity index
// Print the collected data in a row on the Serial Monitor
Serial.print("H: ");
Serial.print(H);
Serial.print("\tC: ");
Serial.print(C);
Serial.print("\tF: ");
Serial.println(F);
lcd.setCursor(0,0);
lcd.print("H: ");
lcd.print(H);
lcd.print("%");
lcd.setCursor(0,1);
lcd.print("F: ");
lcd.print(F);
lcd.print(" C: ");
lcd.print(C);
delay(1000); // Wait one second before get another temperature reading
}