Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) - 3.3-5V Analog Output
Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) - 3.3-5V Analog Output - Image 2
Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) - 3.3-5V Analog Output - Image 3
Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) - 3.3-5V Analog Output - Image 4
SKU: SENS-3462
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Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) - 3.3-5V Analog Output

₹1,269.00 (Inclusive of all taxes)
Out of Stock

The Seeed Studio Studio Grove Pro Temperature & Humidity Sensor (DHT22/AM2302) is a high-precision digital sensor module compatible with 3.3V and 5V systems like Arduino and Raspberry Pi. It provides accurate environmental monitoring via a single-wire digital interface.

Features

  • High-precision digital temperature and humidity sensor (DHT22/AM2302 core).
  • Wide measurement range: -40 to 80°C (±0.5°C) and 0 to 99.9% RH (±2%).
  • Ultra-low power consumption, ideal for battery-powered IoT nodes.
  • Single-wire digital output simplifies wiring and microcontroller integration.
  • Grove connector system for plug-and-play prototyping with Seeed Studio Studio base shields.

Out of stock

Description

The Grove Pro Temperature & Humidity Sensor integrates the DHT22 (AM2302) sensor, which combines a capacitive humidity sensor and a precision thermistor. An onboard 8-bit microcontroller converts analog signals to a calibrated digital output, transmitted via a single data pin for reliable readings.

Designed for seamless integration with the Grove ecosystem, this module is ideal for environmental monitoring in smart home systems, HVAC control, weather stations, and data-logging projects. Its robust performance across a wide operating range ensures stable readings in demanding conditions.

Key Features

  • High-accuracy digital sensor with calibrated digital signal output.
  • Excellent long-term stability and fast response time for dynamic environments.
  • Ultra-low power operation (1.5 µA avg.) enables extended battery life in wireless sensor nodes.
  • Compact form factor (40 x 20 x 11 mm) with a protective housing.
  • Grove standardized connector eliminates soldering and simplifies prototyping.
  • Wide operating voltage range (3.3V to 5V DC) ensures compatibility with most microcontrollers.

Applications

  • Indoor environmental monitoring and smart HVAC system control.
  • Weather station and portable meteorological data logger builds.
  • Precision agriculture and greenhouse climate management systems.
  • IoT sensor nodes for home automation and building management.
  • Laboratory equipment and scientific data acquisition setups.

Technical Specifications

Sensor ModelDHT22 (AM2302/RHT03)
Supply Voltage3.3 - 5 V DC
Average Current Consumption1.5 µA
Temperature Range-40 to 80 °C
Temperature Accuracy±0.5 °C
Humidity Range0 to 99.9 % RH
Humidity Accuracy±2 % RH
Output InterfaceSingle-Wire Digital (Grove Analog Port)
Response Time6 - 20 seconds
Dimensions (L x W x H)40 x 20 x 11 mm
Module WeightApprox. 0.01 kg

Frequently Asked Questions

What is the operating voltage range for this Grove sensor?

The module operates from 3.3V to 5V DC, making it directly compatible with common development boards like Arduino (5V) and Raspberry Pi (3.3V) without requiring a logic level shifter.

How do I connect and read data from this sensor?

Connect the module's Grove cable to an Analog port on a Grove base shield. Use the dedicated DHT22 library for Arduino or Python to read the digital signal from the single data pin, which outputs calibrated temperature and humidity values.

What is the response time and measurement accuracy?

The sensor has a response time of 6 to 20 seconds for a new stable reading. It provides high accuracy with ±0.5°C for temperature and ±2% RH for humidity across its full measurement range.

Can this sensor be used outdoors?

Yes, its operating range of -40 to 80°C and 0-99.9% RH suits outdoor applications. For permanent installation, consider a protective enclosure to shield the PCB from direct water exposure, as the sensor element itself is not IP-rated.

Does it require calibration?

No, the DHT22 sensor is factory calibrated. The digital output provides calibrated values, so user calibration is not required. Ensure you are using a correct and updated library to interpret the data packet correctly.

Package Includes

  • 1 x Grove Pro Temperature & Humidity Sensor Module (DHT22).
  • 1 x Grove 4-pin JST cable.
  • 1 x User Manual.

Additional Information

Weight 0.01 kg
Dimensions 4 × 2 × 1.1 cm

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