DHT11 Digital Temperature and Humidity Sensor Module

The DHT11 Temperature and Humidity Sensor is a premium, high-performance sensor module designed for accurate and reliable environmental monitoring. Featuring a calibrated digital signal output and an 8-bit high-performance microcontroller, it delivers fast, stable, and precise measurements for both temperature and humidity. Its advanced technology ensures long-term accuracy and excellent anti-interference performance, making it a must-have component for Arduino, Raspberry Pi, and other electronics projects.

Key Features & Benefits

• Calibrated digital signal output for accurate readings
• Fast response time for real-time monitoring
• High accuracy and stable performance in various conditions
• Anti-interference design for reliable operation in noisy environments
• Compact size and low power consumption for IoT and smart home projects

How the DHT11 Sensor Works

The sensor combines a resistive humidity element with a temperature sensor using wet NTC technology. It is engineered for precise temperature and humidity measurement, offering a consistent and reliable solution for electronics and IoT projects. The sensor outputs data digitally, making integration with Arduino, Raspberry Pi, and microcontrollers straightforward.

Factory Calibration & Accuracy

Each DHT11 sensor is factory-calibrated in a controlled humidity chamber. Calibration coefficients are stored in the OTP program memory, ensuring accurate signal output for both temperature and humidity. This built-in calibration allows hobbyists and professionals to trust the sensor for environmental and climate monitoring applications.

Technical Specifications

• Operating Voltage: 3.5V to 5.5V DC
• Output Type: Serial digital data
• Humidity Range: 20% to 90% RH
• Temperature Range: 0°C to 50°C
• Resolution: 16-bit for both temperature and humidity
• Signal Transmission Distance: Up to 20 meters

Applications of DHT11 Sensor

• Temperature and humidity monitoring for homes, offices, and labs
• Local and remote weather stations
• Automatic climate and HVAC control systems
• Environmental and agricultural monitoring
• IoT, smart home, and automation projects
• Data logging for research and electronics experiments

Pin Configuration & Easy Setup

The DHT11 sensor comes in a 4-pin single-row package. Connecting is simple: link the data pin to an I/O pin of your MCU with a 5K pull-up resistor. The data pin outputs temperature and humidity as serial data. Ready-made libraries for Arduino and Raspberry Pi speed up project development, making it ideal for beginners and advanced users alike.

Why Choose the DHT11 Sensor?

Its compact size, low power consumption, and reliable performance make the DHT11 sensor perfect for both hobbyists and professionals. From electronics students and makers to IoT developers and smart home enthusiasts, this sensor provides accurate, real-time environmental data for a wide range of projects. Special packaging options are also available upon request to meet unique requirements.

Whether you are building an Arduino weather station, automating your smart home, or monitoring environmental conditions for research, the DHT11 sensor is your reliable choice for precise and consistent temperature and humidity measurements. Enhance your projects with accuracy, durability, and ease of use.