Measure Temperature with a Sensor Made for Embedded Builds

The Temperature and Humidity Sensor DHT22 Module is a temperature and humidity sensor with digital output designed for climate logging, weather nodes, and room monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Temperature Range: -40-80℃ / resolution0.1℃ / error <±0.5℃; Supply Voltage: 3.3V to 5V DC; Interface: Digital GPIO.

Important: Sensor response time depends on airflow, mounting, and thermal contact. Keep heat sources and self-heating from nearby parts in mind.

Why you’ll love it

Key feature: Further, the unit combines full-range temperature profiles to measure the temperature from 00C to 500C.
Users can interface the sensing module: Users can interface the sensing module with MCU with the help of one digital pin.
Sensing range: -40-80℃ / resolution0.1℃ / error <±0.5℃
Power range: 3.3V to 5V DC
Compact size: 38 x 20mm
Useful spec: VCC,GND,S

Compare with similar products

Product	Sensor style	Standout
Temperature and Humidity Sensor DHT22 Module	temperature and humidity sensor with digital output	Current item
Temperature and Humidity DHT11 Sensor	temperature and humidity sensor	digital output, humidity sensing
Temperature Humidity Sensor HDC1080	temperature and humidity sensor with I2C	digital output, humidity sensing
Temperature and Humidity Capacitive Digital AM2302 DHT22 Sensor	temperature and humidity sensor with 1-Wire	SPI interface, analog output

What you can build

This sensor is a good fit for weather stations, room monitors, greenhouses, incubators, and climate data loggers.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include probe mounts, thermal paste if needed, and a data logger, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product	Temperature and Humidity Sensor DHT22 Module
Temperature Range	-40-80℃ / resolution0.1℃ / error <±0.5℃
Humidity Range	0-100%RH / resolution0.1%RH / error±2%RH
Supply Voltage	3.3V to 5V DC
Size	38 x 20mm
Wiring map	VCC,GND,S
Interface	Digital GPIO
Category	thermal heat temperature sensors

Wiring & usage notes

Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code. Sensor response time depends on airflow, mounting, and thermal contact. Keep heat sources and self-heating from nearby parts in mind.

What’s in the box

1 × Temperature and Humidity Sensor DHT22 Module

Frequently Asked Questions

What does the Temperature and Humidity Sensor DHT22 Module measure? It is designed to measure temperature and humidity.

Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.

How do I connect this Digital GPIO sensor? This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.

What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.

Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.