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DHT22 Temperature & Humidity Sensor
₹90.0
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The DHT22 Temperature & Humidity Sensor is a high-precision digital sensor that measures both temperature and relative humidity. Compared to the DHT11, the DHT22 offers a wider measurement range and greater accuracy, making it ideal for more demanding environmental monitoring and IoT applications. It provides digital output, is easy to interface with microcontrollers, and is widely used in weather stations, climate control systems, and educational electronics projects.
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Product Specifications
| Specification | Details |
|---|---|
| Sensor Type | Temperature & Humidity Sensor |
| Temperature Range | -40°C to 80°C, ±0.5°C accuracy |
| Humidity Range | 0% to 100% RH, ±2–5% accuracy |
| Output | Digital signal via single-bus protocol |
| Operating Voltage | 3.3V – 6V DC |
| Sampling Rate | 0.5 Hz (1 reading every 2 seconds) |
Key Features
- High-accuracy temperature and humidity measurement
- Wide temperature and humidity range compared to DHT11
- Digital output for easy microcontroller interfacing
- Low power consumption for battery-powered projects
- Factory calibrated for reliable readings
- Compatible with Arduino
- Raspberry Pi
- ESP8266
- ESP32
- and other boards
- Compact and lightweight for embedded projects
Applications
- Weather monitoring stations
- Home automation and HVAC control
- Greenhouse environmental monitoring Data logging systems
- IoT devices and smart sensors
- Educational and DIY electronics projects
- Industrial and laboratory monitoring
Frequently Asked Questions
DHT22 offers a wider temperature (-40°C to 80°C) and humidity (0–100% RH) range with higher accuracy, whereas DHT11 is limited to 0–50°C and 20–90% RH.
Yes, it works with both 3.3V and 5V logic-level microcontrollers.
