This project uses DHT11 sensor module to get environment temperature and humidity and show them in serial monitor window.
Step 1: connect DHT11 sensor to Arduino as per following pin map table:
DHT11 Pin | Basic board Pin |
VCC | 5V |
DATA | D3 |
GROUND | GND |
Step 2: Download and install DHT library:
If you have not installed DHT library, please download the zip file from following link
https://osoyoo.com/driver/DHT.zip
Then click Sketch ->Include Library ->Add Zip Library, import above DHT.zip file into Arduino IDE.
Step 3: Download sketch code and load it into Arduino IDE.
Result:
After running above code, open serial terminal upright corner of Arduino IDE, you will see temperature and humidity data as following video:
DownLoad Url osoyoo.com
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The three pin version (mounted on a breakout board) may have the resistor built in.