A
Anonymous
Apr 09, 2026
Rating: 4/5
Reliable sensor
Used it for a greenhouse project. Consistent data over several weeks without drift.
Description
Tmall 14-Year Established Store: Risym Weixin – High-Quality Best-Seller
Reviews
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
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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