Description

DHT11 Temperature Humidity Sensor Module for Arduino & ESP32 Projects

The DHT11 Temperature Humidity Sensor Module is a compact digital sensor designed for measuring ambient temperature and humidity in DIY electronics, Arduino projects, and IoT applications.

With a built-in DHT11 sensor and digital signal output, this module allows makers, students, and engineers to easily monitor environmental conditions without complicated circuit design.

The module works with popular development platforms such as Arduino, ESP8266, ESP32, Raspberry Pi and other microcontrollers, making it a practical choice for smart home, weather monitoring, greenhouse automation and STEM education projects.

For Arduino beginners, this sensor is a great starting point for learning about environmental data collection and sensor-based applications.

Key Features

1. Digital Temperature & Humidity Measurement

The module uses the reliable DHT11 sensor to measure temperature and humidity data and outputs signals through a simple digital interface.

2. Wide Compatibility with Arduino & ESP32

Compatible with many development boards including Arduino UNO, Nano, Mega, ESP8266 and ESP32.

You can combine it with other development boards and modules from our Arduino Components Collection for complete DIY projects.

3. Easy 3-Pin Connection

The module provides a simple interface:

No additional signal conversion circuit is required.

4. Compact PCB Design

The small PCB size makes it easy to integrate into prototypes, breadboard projects and embedded applications.

5. Built-in Indicator LED

The onboard LED indicator helps users quickly identify the power status during installation and testing.

Specifications

Applications

The DHT11 Temperature Humidity Sensor Module can be used in various electronics and IoT projects:

• Arduino temperature monitoring projects
• Smart home environmental monitoring
• Greenhouse monitoring systems
• Weather station DIY projects
• IoT sensor networks
• STEM education experiments
• Raspberry Pi environmental sensing
• Data logging systems

For projects requiring more advanced environmental sensing, you can also check our related Sensor Modules Collection.

How to Use with Arduino

Typical connection:

DHT11 VCC  → Arduino 5V
DHT11 GND  → Arduino GND
DHT11 DATA → Arduino Digital Pin

After connecting the module, users can read temperature and humidity values through Arduino libraries and display the data on LCD screens or upload it to IoT platforms.

Want to see how this module works? Watch this tutorial video and learn how to connect and use it in your DIY project.

Package Includes

1 × DHT11 Temperature Humidity Sensor Module

Notes

• Please avoid placing the sensor in direct contact with water.
• The sensor is designed for general environmental monitoring applications.
• For higher accuracy applications, professional-grade sensors are recommended.

FAQ

Q1: Is this DHT11 sensor module compatible with Arduino UNO?

Yes. This module works well with Arduino UNO, Nano, Mega and most Arduino-compatible boards.

Q2: Can I use this module with ESP32?

Yes. The DHT11 Temperature Humidity Sensor Module supports 3.3V operation and can be connected to ESP32 development boards.

Q3: What is the output signal type?

The module uses a digital output signal, which allows direct connection with microcontroller GPIO pins.

Q4: What is the measuring range of this sensor?

The temperature range is approximately 0°C-50°C, and humidity measurement range is about 20%-95% RH.

Q5: Is this suitable for greenhouse monitoring?

Yes. It is commonly used in simple greenhouse monitoring, plant care projects and environmental sensing applications.