You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.6 KiB
65 lines
1.6 KiB
/*
|
|
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
|
|
}
|
|
|