Introduction: DHT11 and Arduino UNO;The EASIEST INSTRUCTABLE
Hey Makers,
In this tutorial we are going to Connect Arduino To DHT11 .
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Step 1: How Does It Work?
The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old.
Step 2:
What we Can Do With it?
>Make a Weather Box
>Digital Thermometer
>Fire Alarm
>Know the weather outside and lots more.............
Step 3:
Things Required
>Arduino Uno (The brain)
>DHT11 Temperature and Humidity sensor (http://goo.gl/qHFAU5) (http://goo.gl/qHGwLi)
>Jumper Wire (Male To Female)
Step 4:
Lets Get Started
Connecting Dht11 to arduino
Vcc - 5v Arduino
Gnd -Any GND pin of Arduino
Data-Arduino Digital Pin 3
Step 5:
Datasheet for Dht11
https://drive.google.com/file/d/0B3b3PW7n8tipNlAyazI4MnBDUzQ/view
Please download the DHT library from the above link. Then Open Arduino IDE Go to Sketch
--> Include Library --> Add Zip File Close the Arduino IDE and open it again then you will find the library included.
For more info : https://www.arduino.cc/en/Guide/Libraries
Step 6:
Step 7:
Open Serial Moniter
Upload the programme.
Click Serial Moniter.
You can see the current temperature and Humidity Readings there!
Step 8:
Thats all makers! If you have any doubts just comment it with the tag " #MM " Stay Tuned for more Projects!
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Thank You!
Participated in the
Sensors Contest 2016
