DHT11 Digital Temperature Sensors (Digital Output)

The DHT11 Digital Temperature and Humidity Sensor is a compact and affordable solution for measuring both temperature and humidity in a variety of applications. With its digital output, this sensor simplifies integration with microcontrollers like Arduino, Raspberry Pi, and other digital systems. It provides reliable and accurate readings for temperature and humidity, making it perfect for projects such as weather stations, home automation, and environmental monitoring.

Key Features:

• Digital Output: Unlike analog sensors, the DHT11 provides a digital output, eliminating the need for complex analog-to-digital conversion, making it easier to interface with microcontrollers and other systems.

• Temperature and Humidity Measurement: Measures both temperature (in Celsius) and humidity (in % RH), providing dual functionality in a single, compact sensor.

• Temperature Range: Measures temperature from 0°C to 50°C, offering good coverage for indoor environments and typical weather conditions.

• Humidity Range: Measures humidity from 20% to 80% with a typical accuracy of ±5% RH, suitable for various indoor environmental applications.

• Low Power Consumption: Operates with low power, making it ideal for battery-operated or long-duration projects.

• Easy to Interface: Works seamlessly with popular development platforms such as Arduino, Raspberry Pi, and other microcontroller-based systems, using a single data pin for communication.

• Fast Response Time: Quick and reliable readings with minimal delay, ensuring real-time monitoring in your projects.

• Cost-Effective: An affordable option for DIY electronics projects and applications that require both temperature and humidity data.

Applications:

• Home Automation: Monitor indoor environmental conditions such as room temperature and humidity, and automate systems such as heating, ventilation, and air conditioning (HVAC).

• Weather Stations: Ideal for DIY weather stations to track temperature and humidity in real-time, useful for gardening, agriculture, or simply personal interest.

• Environmental Monitoring: Perfect for monitoring environmental conditions in greenhouses, server rooms, or sensitive equipment storage where temperature and humidity control is critical.

• IoT Projects: Integrate into IoT-based applications to send real-time environmental data to the cloud or control devices based on temperature or humidity readings.

• Indoor Climate Control: Use in smart homes to regulate air quality and comfort by controlling appliances based on environmental conditions.

Specifications:

• Temperature Range: 0°C to 50°C

• Humidity Range: 20% to 80% RH

• Output Type: Digital (single-wire communication)

• Accuracy:

  • Temperature: ±2°C

  • Humidity: ±5% RH

• Power Supply: 3.3V to 5V DC

• Current Consumption: Low power (approximately 2.5mA during measurement)

• Interface: Single-wire digital communication (requires 1 GPIO pin)

• Response Time: Quick response time with a typical data update interval of 1 second

• Package Type: 4-Pin (VCC, GND, Data, NC)

• Size: Compact and easy to integrate into various projects

Why Choose the DHT11 Digital Temperature and Humidity Sensor?

• Dual Functionality: Measures both temperature and humidity in a single sensor, reducing the need for multiple sensors in your projects.

• Easy Integration: Simple digital output interface makes it easy to use with microcontrollers and development platforms like Arduino, ESP32, and Raspberry Pi.

• Affordable: An inexpensive option for both beginner and advanced electronics enthusiasts who want reliable environmental data without breaking the budget.

• Low Power: Perfect for battery-operated devices or energy-efficient designs that require long-term monitoring.

• Reliable Performance: Despite being an entry-level sensor, the DHT11 offers consistent and reliable readings for most basic temperature and humidity monitoring applications.

Package Includes:

• 1x DHT11 Digital Temperature and Humidity Sensor