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Actually there are two alternative for sensor for the first time, the DHT-22 and DHT-11 but I choose the DHT22 because it larger range for humidity and temperature, also better accuracy 0, 5% versus DHT11 1%-2%. Arduino Code: In this interfacing I used DHT sensors library (DHT11, DHT21 and DHT22) from Adafruit. This library initiates the DHT22 sensor and reads the values of the humidity and temperature. just make sure it will fit if you make a box for this temperature monitoring.Start your configuration with lcd first before using the DHT-22, because this LCD is a bit tricky we need to make sure it running smoothly.after you connect the LCD to Arduino you need to find out the address i2c using for this module. the tricky parts is you need to find the port used for i2c display. (neat! They measure both moisture and temperature in the air and express relative humidity as a percentage of the ratio of moisture in the air to the maximum amount that can be held in the air at the current temperature. (neat!

The 10K variable resistor is used to control the contrast of the LCD screen and the 330 ohm resistor supplies the LCD backlight LED. You can copy the code by clicking on the button in the top right corner of the code field. Copyright © 2020 ArduinoGetStarted.com. Circuit Diagram of DHT11 and LCD with Arduino. The DHT22 sensor as well as the LCD 1602 I2C use a 5V power supply. Next, I will explain how the code works. // Install the library of the DHT before uploading the code in the Arduino IDE

Therefore I connected the 5V pin on my Arduino to the red + row on the breadboard and the ground of my Arduino to the blue - on the breadboard.

Arduino Uno (you can use any) 16 x 2 LCD; DHT11 Temperature and humidity sensor; 10 K ohm potentiometer; 220 ohm resistor; Code of weather station using arduino and DHT11 // This code is for the weather station using the DHT11humidity and temperature sensor. We will be making use of two libraries to bring our humidity sensor to life. Here some more tutorials for you: Ultrasonic Sensor with Arduino. I am using DHT22 Temperature and Humidity sensor with Arduino UNO R3 and getting it's data from Arduino Serial Monitor. It's Humidity Range is 0-100% and Temperature range is -40 - 125°C that's why I prefer DHT22 … Learn how to use temperature and humidity sensor with Arduino, how to connect DHT11 or DHT22 temperature and humidity sensor to Arduino, how to program Arduino step by step. Before i go to next step i think i need to tell you some thing about DHT22. The first is the Adafruit DHT sensor library and the second is the Adafruit unified sensor library. Right now i'm thinking abut using Arduino Nano, I will update this project and report it. Library for DHT11 and DHT22 are the same. Code 2 . Learn: how to use Arduino to read temperature and humidity from sensor and display temperature and humidity on LCD, how to combine DHT11, DHT22 code and LCD code, how to program Arduino step by step. These libraries are used to display some additional about the sensor like its DHT11 or DHT22 and used for the below code. This post shows how to build a temperature and relative humidity measurements station using Arduino and DHT11/DHT22 sensor where the measured values of the temperature and the humidity are displayed on 128×64 OLED screen with SSD1306 driver. I am using DHT22 Temperature and Humidity sensor with Arduino UNO R3 and getting it's data from Arduino Serial Monitor. To see how to connect the SSD1306 OLED with Arduino read the post below:I used Adafruit SSD1306 OLED library to simplify the connection of the Arduino with the screen and Adafruit DHT library for the connection between the Arduino and the DHT11/DHT22 sensors. in my case the address is 0x27, some reported their address is 0x3f etc but you really test it yourself because it might different between the address i'm currently using with the one you'll be using.At my first attempt i've got my LCD glow without the text, If you get yourself in same situation try to rotate the contrast potentiometer first in back of your i2c (using screwdriver) if not working check also the solder between i2c to lcd especially if you solder it your self or bought from china.Because the working voltage is 3~5v there is no reason to using higher voltage that will need to use a breadboard.Next step is to verify, upload the sketch pull the usb, and plug the batteryIf you got a problem please discuss it here, like I said before this is my first project, I hope it works for you too..Note for the library: make sure the namefile you declare in sketch same with the namefile in the library.Check the humidity & temperature of your terrarium with a DTH22 humidity and temperature sensor and display this on an LCD I2C 16x2 display.A beginner-tier project I hope will help the fellows that are newbies in the Arduino world!This project shows you how to measure Temperature and Humidity and record data on an SD-Card with an Arduino Uno and an Ethernet Shield.In this project, we're going to use the DHT11 humidity and temperature sensor to calculate the average temperature and humidity every hour.This small and attractive device periodically displays an attention-catching animation followed by the current temperature in C° and F°.Simple Temperature Monitoring with DHT22 & Arduino.I'm not gonna explain it deeper about this thing, you'll find more and don't forget to download the library because in this tutorial we're gonna using the library from that sites./* DHT-22 sensor with 12c 16x2 LCD with Arduino uno Temperature and humidity sensor displayed in LCD based on: http://www.ardumotive.com/how-to-use-dht-22-sensor-en.html and https://www.ardumotive.com/i2clcden.html for the i2c LCD library by Michalis Vasilakis Notes: use LCD i2c Library from link above, i'm not sure why but new Liquidcristal library from Francisco Malpartida isn't working for me // sensor library using lib from https://www.ardumotive.com/how-to-use-dht-22-sensor-en.html // LCD library using from https://www.ardumotive.com/i2clcden.html for the i2c LCD library // set the LCD address to 0x27 after finding it from serial monitor (see comment above) for a 16 chars and 2 line display Then you’ll probably need 16×2 character LCD to display prevailing conditions in your incubator, instead of a serial monitor. Code for DHT11, LCD with Arduino. Code for DHT11, LCD with Arduino. Before i go to next step i think i need to tell you some thing about DHT22.

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