Introduction: DHT11 Humidity Sensor Module Interface With Arduino

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

Step 1: Introduction

Description:

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.

Specification:

  • 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

Step 3: 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"

Step 6: Result on Serial Monitor

Step 7: Measurements Shown on LCD Screen

Step 8: Video

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