Arduino Weather Station

This project is used to find out temperature and humidity.

Feb 6, 2022

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weather

environmental sensing

garden

Devices & Components

16x2 LCD display with I²C interface

Arduino Uno Rev3

Male/Female Jumper Wires

DHT11 Temperature & Humidity Sensor (3 pins)

Female/Female Jumper Wires

Project description

Code

arduino

Displaying temperature and humidity on an LCD

1#include <dht.h>
2#include <LiquidCrystal.h>
3
4LiquidCrystal lcd(12,  11, 5, 4, 3, 2);
5
6dht DHT;
7
8#define DHT11_PIN 3
9
10void setup(){
11  lcd.begin(16, 2);
12}
13
14void loop(){
15  int chk = DHT.read11(DHT11_PIN);
16  lcd.setCursor(0,0); 
17  lcd.print("Temp: ");
18  lcd.print(DHT.temperature);
19  lcd.print((char)223);
20  lcd.print("C");
21  lcd.setCursor(0,1);
22  lcd.print("Humidity:  ");
23  lcd.print(DHT.humidity);
24  lcd.print("%");
25  delay(1000);
26}

#include <dht.h>
#include <LiquidCrystal.h>

LiquidCrystal lcd(12,  11, 5, 4, 3, 2);

dht DHT;

#define DHT11_PIN 3

void setup(){
  lcd.begin(16, 2);
}

void loop(){
  int chk = DHT.read11(DHT11_PIN);
  lcd.setCursor(0,0); 
  lcd.print("Temp: ");
  lcd.print(DHT.temperature);
  lcd.print((char)223);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Humidity:  ");
  lcd.print(DHT.humidity);
  lcd.print("%");
  delay(1000);
}

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narmathanandhu

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