DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
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DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
Easy to connect: With a built-in resistor, No need to solder or breadboard
DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces
商品＃: 89230420

DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces

商品＃: 89230420

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Easy to connect: With a built-in resistor, No need to solder or breadboard
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What Stands Out

High Accuracy
The DHT22 sensor offers superior temperature and humidity measurement with precision, making it ideal for applications requiring reliable data such as weather stations or home automation.
Dual Sensor Design
Included in a pack of two, this module allows simultaneous monitoring of temperature and humidity, enhancing efficiency for various projects and reducing costs compared to single-pack alternatives.
Wide Range
Operating within a broad temperature range of -40 to +80 °C and 0 to 100% RH, the DHT22 is versatile and suitable for a diverse array of environments and applications.

產品詳情

Shop DHT22 Temperature and Humidity Sensor Module for Arduino ESP32 Raspberry Pi, 3 Pieces online at a best price in Taiwan. B0CKL52NQ4
  • BUILT-IN MODULE DESIGN: Unlike bare DHT22 sensors, this module includes a filtering capacitor and pull-up resistor on the PCB, ensuring stable readings without any additional external components
  • HIGH ACCURACY MEASUREMENTS: Measures temperature from -40 to +80 degrees C (plus or minus 0.5 degree accuracy) and humidity from 0 to 100% RH (plus or minus 2-5%) using the proven AM2302 element
  • COMES WITH CONNECTING CABLE: Includes a pre-wired cable for direct connection to your microcontroller; simply plug in and start reading sensor data without soldering or breadboard wiring
  • 3-PIN SIMPLE INTERFACE: Connects via VCC, DATA, and GND; works with Arduino, ESP32, ESP8266, and Raspberry Pi using any standard digital I/O pin and a single data line protocol
  • 3 PACK VALUE SET: Includes 3 DHT22 sensor modules each with a connecting cable; perfect for multi-zone monitoring, classroom projects, or having spares on hand for your builds

Product Technical Details

Package Dimensions‎3.94 x 2.76 x 0.63 inches
Item Weight‎1.06 ounces
Manufacturer‎DIYables
Item model number‎DIY-DHT22-MODULE-3PCS

Who Should Buy?

Suitable For
  • Home Automation

    Ideal for users wanting to integrate temperature and humidity sensors into smart home systems for better climate control.

  • Research Projects

    Perfect for students and researchers conducting experiments requiring precise humidity and temperature data collection.

  • DIY Enthusiasts

    Great for hobbyists building weather stations or environmental monitoring systems in personal projects or robotics.

Not Suitable For
  • Extreme Weather

    Not suitable for harsh environments, as sensors may not function accurately outside their specified operating ranges.

產品描述

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客戶問題與解答

  • 問題: What is the DHT22 Temperature and Humidity Sensor Module used for?

    Answer: The DHT22 sensor is widely used for measuring temperature and humidity in various applications. Commonly found in weather stations, HVAC systems, and indoor environment monitoring, it provides precise readings that help create comfortable living and working conditions. It's well-suited for projects involving microcontrollers like Arduino and Raspberry Pi, making it perfect for hobbyists and professionals looking to incorporate environmental monitoring into their designs.
  • 問題: What are the key specifications of the DHT22 Sensor?

    Answer: The DHT22 sensor operates within a temperature range of -40 to +80 degrees Celsius and a humidity range of 0-100% with a small margin of error. It offers a digital output with a sampling rate of up to 0.5 Hz, making it suitable for various applications including data logging and real-time monitoring. Its high accuracy and reliability make it a popular choice for both DIY projects and professional setups.
  • 問題: How do I connect the DHT22 sensor to an Arduino?

    Answer: To connect the DHT22 sensor to an Arduino, use three pins: VCC (Power), GND (Ground), and DATA (Signal). Connect the VCC pin to the 5V output of the Arduino, the GND pin to Ground, and the DATA pin to a digital input on the Arduino. Make sure to use a pull-up resistor (typically around 10k ohms) between the DATA and VCC pins for stable readings. This setup allows for seamless temperature and humidity data acquisition in your projects.
  • 問題: How accurate is the DHT22 Temperature and Humidity Sensor?

    Answer: The DHT22 sensor boasts high accuracy with a temperature accuracy of ±0.5 degrees Celsius and humidity accuracy of ±2-5%. This level of precision ensures that the readings you obtain are reliable, which is crucial for applications that demand exact environmental data, such as climate research or agricultural monitoring. Utilizing the DHT22 allows users to make informed decisions based on accurate data.
  • 問題: Can I use multiple DHT22 sensors in one project?

    Answer: Yes, you can use multiple DHT22 sensors in a single project. However, you should consider using different GPIO pins for each sensor's data pin when connecting to a microcontroller like Arduino. This enables simultaneous monitoring of temperature and humidity in different areas, which is ideal for larger environments or complex systems needing localized readings. This versatility enhances your project's capabilities.
  • 問題: What is the difference between DHT11 and DHT22 sensors?

    Answer: The main differences between the DHT11 and DHT22 sensors are accuracy, range, and cost. The DHT22 provides a broader temperature range (-40 to 80 degrees Celsius) and better humidity accuracy (±2-5%) compared to DHT11, which is limited to 0 to 50 degrees Celsius and has an accuracy of ±5%. For projects requiring greater precision or extreme conditions, the DHT22 is the superior choice.
  • 問題: How do I calibrate the DHT22 sensor?

    Answer: The DHT22 sensor typically does not require calibration for general use, as it is factory calibrated. However, if extreme precision is necessary, you can compare its readings with a reliable reference sensor and apply offsets in your software to account for any discrepancies. This calibration ensures that your projects provide the most accurate temperature and humidity data possible.
  • 問題: What programming languages can I use with the DHT22 sensor?

    Answer: The DHT22 sensor can be easily integrated with various programming languages, with popular choices being C/C++ for Arduino, Python for Raspberry Pi, and even JavaScript for Node.js projects. Libraries are available for these languages, making it simple to read sensor values and incorporate them into your applications. This flexibility allows developers from different backgrounds to work with the sensor comfortably.
  • 問題: Where can I buy DHT22 Temperature and Humidity Sensor Module, 2 Pieces in Taiwan?

    Answer: You can buy the DHT22 Temperature and Humidity Sensor Module, 2 Pieces on Ubuy. Ubuy offers a wide selection of electronic components, including various sensors, ensuring you find what you need for your projects. With their user-friendly platform, you can easily browse, select, and order the DHT22 sensors to enhance your environmental monitoring systems.

DIYables Industrial Electrical ‎DIY-DHT22-MODULE-3PCS Editorial Review

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優點

  • High accuracy
  • Wide range
  • Easy integration
  • Low power consumption
  • Durable design

缺點

  • Limited to indoor use

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特色和優勢

  • Includes 2 DHT22 modules for versatile use.
  • Compatible with Arduino, Raspberry Pi, ESP32, and ESP8266.
  • Built-in resistor eliminates the need for soldering or breadboarding.
  • Operates on a simple DC 3.3V-5V power supply.
  • Comes with tutorials for easy setup across multiple platforms.
  • Ideal for DIY projects and enhancing microcontroller applications.

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