Dht 11 with LCD

Dht communicating by lcd dht comunícandonos por lcd

Jun 23, 2020

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Devices & Components

Arduino Uno Rev3

16x2 LCD display with I²C interface

Breadboard (generic)

Male/Female Jumper Wires

Jumper wires (generic)

DHT11 Temperature & Humidity Sensor (3 pins)

Software & Tools

Arduino Web Editor

Project description

Code

code

arduino

1#include "DHT.h"
2#define DHTPIN 2     
3#define DHTTYPE DHT11   
4
5DHT  dht(DHTPIN, DHTTYPE);
6#include <Wire.h>               
7#include <LiquidCrystal_I2C.h>  
8
9LiquidCrystal_I2C lcd(0x27,16,2);
10                                  
11
12void  setup() {
13  lcd.init();  
14  lcd.backlight();                
15
16  dht.begin();
17}
18
19void  loop() {
20  
21  delay(2000);
22  float h = dht.readHumidity();
23  float t  = dht.readTemperature();
24  float f = dht.readTemperature(true);
25  float hif  = dht.computeHeatIndex(f, h);
26  float hic = dht.computeHeatIndex(t, h, false);
27
28  lcd.setCursor(0,0);            
29  lcd.print("H: ");
30  lcd.print(h);
31  lcd.setCursor(0,1);
32  lcd.print("T: ");
33  lcd.print(t);
34  lcd.print("  *C ");
35}

#include "DHT.h"
#define DHTPIN 2     
#define DHTTYPE DHT11   

DHT  dht(DHTPIN, DHTTYPE);
#include <Wire.h>               
#include <LiquidCrystal_I2C.h>  

LiquidCrystal_I2C lcd(0x27,16,2);
                                  

void  setup() {
  lcd.init();  
  lcd.backlight();                

  dht.begin();
}

void  loop() {
  
  delay(2000);
  float h = dht.readHumidity();
  float t  = dht.readTemperature();
  float f = dht.readTemperature(true);
  float hif  = dht.computeHeatIndex(f, h);
  float hic = dht.computeHeatIndex(t, h, false);

  lcd.setCursor(0,0);            
  lcd.print("H: ");
  lcd.print(h);
  lcd.setCursor(0,1);
  lcd.print("T: ");
  lcd.print(t);
  lcd.print("  *C ");
}

Downloadable files

this is the scheme but dht 11 is missing so read what I have written

operation video

this is the scheme but dht 11 is missing so read what I have written

operation video

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