A
Anonymous
Apr 11, 2026
Rating: 5/5
Stable readings
Using in greenhouse project, very stable data.
Description
Tmall 14-year flagship store Risym Weixin - High-quality bestseller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Interface Type | Single-wire Digital |
| Temperature Range (DHT22) | -40°C to 80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.5°C |
| Humidity Accuracy | ±2% RH |
| Sampling Period | 2 Seconds |
| Pin Count | 3 or 4 Pins |
| Dimensions | 15 x 12 x 7 mm |
| Compatibility | Arduino, ESP32, Raspberry Pi |
5 reviews
A
Anonymous
Apr 06, 2026
Rating: 4/5
Good accuracy
DHT22 is definitely better than DHT11 for precision.
A
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for weather station
Works great with ESP32. Easy to wire up.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Fast shipping
All modules tested working out of the box.
A
Anonymous
Mar 03, 2026
Rating: 3/5
Documentation needed
Had to search for library code online to get it working.
5 FAQ
Q: Is this compatible with 5V logic?
A: Yes, the module operates between 3.3V and 5V DC.
Q: Are these sensors waterproof?
A: No, the electronic components are not waterproof.
Q: Which library should I use?
A: The Adafruit DHT sensor library is recommended.
Q: What is the difference between DHT11 and DHT22?
A: DHT22 offers better accuracy and a wider temperature range.
Q: What is the maximum wire length?
A: We recommend keeping the cable under 20 meters for signal integrity.
