Introduction: DHT11 Humidity Sensor Module Interface With Arduino

Picture of DHT11 Humidity Sensor Module Interface With Arduino

This tutorial teaches the basics on using DHT11 Humidity Sensor Module.

Step 1: Introduction


DHT11 Humidity Sensor Module is designed by using DHT11 which is able to detect the temperature and humidity of the surrounding environment. This module is compatible with Arduino, PIC, Raspberry pi and etc.


  • Operating Voltage: DC 3.3V to 5V
  • Output signal: Digital two-way single bus
  • Temperature range: 0 to 50°C ± 2°C
  • Humidity: 20% to 90%RH ± 5%RH

Step 2: Pin Definitions

Picture of Pin Definitions

Step 3: Sample Hardware Installation

Picture of Sample Hardware Installation

Step 4: Sample Source Code

To get the result, please download the sample source code attached below and upload it into Arduino.

*Kindly download the attached DHT11 Library for your own use.

Step 5: Ways to Open "Serial Monitor"

Picture of Ways to Open "Serial Monitor"

Step 6: Result on Serial Monitor

Picture of Result on Serial Monitor

Step 7: Measurements Shown on LCD Screen

Picture of Measurements Shown on LCD Screen

Step 8: Video


About This Instructable



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