How to Make Simple Weather Station

Introduction: How to Make Simple Weather Station

Hello Guys, In this Video I will Show You how to make simple weather station to sense temperature and humidity using DHT11 sensor

Supplies

Parts list : -

Arduino UNO -
16×2 LCD MODULE-
Jumper Cable -
DHT 11 -

Step 1: ​About DHT11 Sensor

DHT11 is a humidity and temperature sensor. It can be used as humidity sensor as well as the temperature sensor. You can find the dht11 sensor of 2 types in the market. One is with 4 pins and another is with 3 pins. In 3 pin dht11 sensor already 10k Ohm resistor is added inside the module. The operating voltage of this module is 3.3 V. The output of this sensor is digital.

Step 2: Connecting DHT11 With Arduino

Connect DHT 11 With Arduino UNO

DHT11 ARDUINO UNO

GND TO GND

VCC TO 3.3V

OUTPIN TO D11

Step 3: I2C LCD Display

This is an 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.

Usually, Arduino LCD display projects will run out of pin resources easily, especially with Arduino Uno. And it is also very complicated with the wire soldering and connection. This I2C 16x2 Arduino LCD Screen is using an I2C communication interface. It means it only needs 4 pins for the LCD display: VCC, GND, SDA, SCL. It will saves at least 4 digital / analog pins on Arduino. All connector are standard XH2.54 (Breadboard type). You can connect with jumper wire directly.

Step 4: Connecting I2C LCD Display to Arduino

I2C LCD Arduino

GND <---> GND

VCC <---> 5V

SDA <---> A4

SCL <---> A5

Step 5: Code

Code

Step 6: Complete Construction and Working

Video

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