Arduino Project: Temperature and Humidity monitor Tutorial using DHT11 (or DHT22) sensor and LCD shield.
In this video we are building a Temperature and humidity monitor, using an Arduino Mega, an LCD Display Shield with a DHT11 sensor. If you have a DHT22 sensor, the wiring is exactly the same.
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WHERE TO BUY
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1. Arduino Mega:
2. Keypad Shield:
3. The DHT11 sensor:
4. OLED Multimeter:
5. Powerbank:
6. Wires:
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LIBRARIES
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Library for the DHT11 sensor:
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CODE
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Quiz of Knowledge Android Game
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You can download my latest Android Game which is called Quiz of Knowledge here:
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MORE PROJECTS
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Arduino Datalogger:
Arduino Weather Station Project:
Arduino Nokia 5110 LCD Display:
Arduino OLED display tutorial:
DIY Arduino:
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Educ8s.tv is a Youtube channel and website which is dedicated in developing high quality videos about DIY hardware and software projects. In this channel we develop projects with Arduino, Raspberry Pi, we build robots and simple electronic circuits. Check out our website as well for more information:
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My name is reghu I like your video too
I got the code to compile without any issues, but I am getting the readings as T: NAN C H: NAN. I know that NAN stands for Not a Number, but I don't know how to resolve the issue. Could this be indicative of a bad sensor? What else could cause this?
DHT dht(DHTPIN, DHTTYPE); —-> 'DHT' does not name a type ?
Outdoor DHT sensor doesnot read minus values at winter.
Please ,how can we fix the temperature from -50 to +50
Hello . Thank you for your nice explanation.
I have a question:
Are the sensors like LM35 and DH11-22 accurate and reliable?
Are it need to calibrate?
thank you
is it necessary to calibrate the sensor or it is auto calibrated??
HOW TO MAKE a RobotDyn LCD Keypad Shield 1602 16×2 Display Module for Arduino Uno – Blue IT WORK WHIT a wemos d1?
I am getting : exit status 1 'DHT11' was not dcalred in this scope, when compiling the code.
Good video
Hello. When I Try to download the code from the website, I am having this problem: The requested URL /Arduino/WeatherStation/code.zip was not found on this server.
nick ozzie here, have the librarys changed. i built this one about 3 obnths ago and now i get a shit load of errors with the libs?
can i use with arduino uno
can we use arduino uno r3 for this and can it connect with dht11
Arduino:1.8.3 (Windows 8.1), Kart:"Arduino/Genuino Uno"
In file included from C:Program Files (x86)ArduinolibrariesDHTDHT_U.cpp:22:0:
C:Program Files (x86)ArduinolibrariesDHTDHT_U.h:25:29: fatal error: Adafruit_Sensor.h: No such file or directory
#include <Adafruit_Sensor.h>
^
compilation terminated.
"DHT.h" için birden fazla library bulundu
Kullanılıyor: C:Program Files (x86)ArduinolibrariesDHT
Kullanılmıyor: C:UsersEyyüpEnsarDocumentsArduinolibrariesDHT-sensor-library-master
exit status 1
Error compiling for board Arduino/Genuino Uno.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
???????
Why my lcd show me NAN
dude are you sick your voice is not alive or expressive
In file included from C:UsersHUNNYDocumentsArduinolibrariesDHTDHT_U.cpp:22:
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:35: error: expected class-name before '{' token
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:38: error: 'sensors_event_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:39: error: 'sensor_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:47: error: expected class-name before '{' token
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:50: error: 'sensors_event_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:51: error: 'sensor_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:73: error: 'sensor_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHT/DHT_U.h:74: error: 'sensor_t' has not been declared
C:UsersHUNNYDocumentsArduinolibrariesDHTDHT_U.cpp:35: error: variable or field 'setName' declared void
C:UsersHUNNYDocumentsArduinolibrariesDHTDHT_U.cpp:35: error: 'sensor_t' was not declared in this scope
C:UsersHUNNYDocumentsArduinolibrariesDHTDHT_U.cpp:35: error: 'sensor' was not declared in this scope
Errors
how diplay data of this sensor on web page using shield ethernet ?
please make a new one with the new lib and a dht22
can i use the same code for arduino uno r3 (except the pin mode. i will change it.)
Question….The dhtt22 working great so somewhat…they are about 10 to 20ft away and I tested voltage. the voltage on the far one is 4.9v. one problem I am having is that sometimes the the temp drop from 70 degrees to 51.1 degrees. is there a way to correct this problem?
WORKS EXCELLENT ..THANKS BUT IF I WANT IN FARENHEIT..
Your fucking setup melted my sensor
i am using a arduino uno with lcd screen and the same sensor as in video but i donot have same inputs for sensor on arduino can anyone help?
this is the error i get when verify… can anyone help me?
In file included from C:Program Files (x86)ArduinolibrariesDHTDHT_U.cpp:22:0:
C:Program Files (x86)ArduinolibrariesDHTDHT_U.h:25:29: fatal error: Adafruit_Sensor.h: No such file or directory
#include <Adafruit_Sensor.h>
^
compilation terminated.
exit status 1
Error compiling for board Arduino/Genuino Mega or Mega 2560.
hi i have a question . i need to implement Temperature and humidity monitor, on atmega2560 with C language. do you think this source code will help me?
thnx. i m getting output. but temperature is not varying very hardly!!!
Is this compatible with a raspberry pi 3?
Goog evening, I download, and upload ( educ8.com/arduino/weatheratst, ) but not working. come error message. please, help me
is LCD TFT Display applicable for the arduino ? do they differ in coding?
can you help me about a temperature controller using atmega16 and DHT11 through keypad and lcd?