Product Description: DHT22 | AM2302 Original Digital Temperature and Humidity Sensor Module
The DHT22 (also known as AM2302) is an advanced digital temperature and humidity sensor module, widely used in various applications where precise environmental monitoring is essential. This sensor can measure temperature in the range of -40°C to 80°C with an accuracy of ±0.5°C, and humidity in the range of 0% to 100% RH with an accuracy of ±2-5% RH. It provides reliable data through a digital signal, ensuring ease of integration into various microcontroller-based projects, such as Arduino, Raspberry Pi, and other IoT applications. The module is designed for low power consumption and is equipped with a built-in resistor for easier use, making it ideal for both beginners and advanced users. With its high precision, wide measuring range, and simple interfacing, the DHT22 is perfect for home automation, climate control systems, weather stations, and more.
Features:
- Wide Measurement Range: Measures temperature from -40°C to 80°C and humidity from 0% to 100% RH.
- High Accuracy: Offers temperature accuracy of ±0.5°C and humidity accuracy of ±2-5% RH, providing reliable readings.
- Digital Output: Provides a digital output signal, simplifying interfacing with microcontrollers like Arduino or Raspberry Pi.
- Low Power Consumption: Designed for low power usage, making it ideal for battery-powered projects.
- Built-In Resistor: Includes an integrated pull-up resistor, ensuring easier setup and usage.
- Easy to Interface: Compatible with popular development platforms and easy to connect via a single-wire digital interface.
- Durable and Reliable: Designed for consistent performance in various environments, ensuring long-term reliability.
- Compact Design: Small and lightweight, making it ideal for space-constrained applications.
Applications:
- Home Automation: Used in smart home systems for monitoring temperature and humidity to control heating, ventilation, and air conditioning (HVAC).
- Weather Stations: Ideal for weather monitoring stations, where precise environmental data is crucial.
- Industrial Monitoring: Used in industrial environments to monitor and control temperature and humidity levels for machinery, processes, or storage conditions.
- Greenhouses: Perfect for monitoring and controlling environmental conditions in agriculture, such as greenhouses, to ensure optimal growth conditions for plants.
- IoT Projects: Commonly used in Internet of Things (IoT) applications for remote monitoring and data logging.
- Climate Control: Used in climate control systems to regulate temperature and humidity in indoor spaces, such as offices, warehouses, or laboratories.
- Consumer Electronics: Integrated into weather stations, air quality monitors, and other consumer devices.
Package Included:
1 x DHT22 | AM2302 Digital Temperature and Humidity Sensor Module
Please note that the product image is for illustrative purposes only. The actual product may vary slightly in appearance.





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