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Home / Computer Hardware, Monitors & Peripherals / Risym DHT22 Single-Bus Digital Temperature and Humidity Sensor Expansion Board 2302 Module Electronic Building Blocks Accessories
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Sensor Model DHT22 (AM2302)
Operating Voltage 3.3V - 5.5V DC
Output Signal Digital Single Bus
Temperature Range -40°C to +80°C
Humidity Range 0% to 100% RH
Temperature Accuracy ±0.5°C
Humidity Accuracy ±2% RH
Sampling Rate 0.5Hz (Max)
Pin Pitch 2.54mm Standard
Package Includes 1x Sensor Module, 1x Dupont Line

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 4/5

Reliable sensor

Used it for a greenhouse project. Consistent data over several weeks without drift.

A

Anonymous

Mar 14, 2026

Rating: 4/5

Good module, slight delay

Sampling rate is slow as expected for DHT22 but accurate. Good for general environmental monitoring.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for Weather Station

Works flawlessly with my Arduino Uno. Readings are stable and consistent compared to my other sensors.

A

Anonymous

Feb 23, 2026

Rating: 5/5

Great value kit

Comes with jumper wires which is convenient. Saves time sourcing compatible cables separately.

A

Anonymous

Jan 30, 2026

Rating: 5/5

Easy to integrate

Library support is excellent. Plug and play with Raspberry Pi GPIO pins. Very satisfied.

5 FAQ

Q: Are wires included in the box?

A: Yes, Dupont lines are included in the kit for easy connection.

Q: What library do you recommend?

A: The Adafruit DHT sensor library works best for most microcontroller platforms.

Q: Does it work with 3.3V logic?

A: Yes, it supports operating voltages between 3.3V and 5.5V DC.

Q: Is this sensor waterproof?

A: No, the DHT22 sensor module is not waterproof and should be kept in a dry enclosure.

Q: How fast can I read data?

A: The maximum sampling rate is 0.5Hz, meaning you can read new data once every 2 seconds.

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