A
Anonymous
Apr 03, 2026
Rating: 5/5
Great for IoT
Using with ESP32 for home automation. Very reliable over the past month.
Description
DHT22/AM2302 digital temperature and humidity sensor module for environmental temperature and humidity detection
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | Single-wire digital |
| Operating Voltage | 3.3V - 5.5V DC |
| Temperature Range | -40°C to 80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.5°C |
| Humidity Accuracy | ±2% RH |
| Resolution | 0.1°C / 0.1% RH |
| Sampling Period | 2 seconds |
| PCB Size | 15mm x 25mm |
| Mounting Type | Through-hole PIN |
5 reviews
A
Anonymous
Mar 10, 2026
Rating: 5/5
Accurate readings
Compared to a professional hygrometer and it was very close. Great for the price.
A
Anonymous
Feb 18, 2026
Rating: 4/5
Good value
Readings are stable and consistent. Wish the connector was included in the package.
A
Anonymous
Jan 26, 2026
Rating: 5/5
Perfect for Arduino
Works straight out of the box. Libraries are easy to find and implement for beginners.
A
Anonymous
Jan 24, 2026
Rating: 3/5
Pins were bent
Sensor works but arrived with bent headers. Had to fix them before use.
5 FAQ
Q: What is the maximum cable length?
A: Recommended under 20 meters to ensure signal integrity.
Q: Does it work with 3.3V logic?
A: Yes it supports 3.3V to 5.5V power and logic levels.
Q: Is a library available for this?
A: Yes standard DHT libraries work perfectly with this module.
Q: Is this sensor waterproof?
A: No the sensor is not waterproof. Please use a protective enclosure for outdoor use.
Q: Is it factory calibrated?
A: Yes calibration is done at the factory. No user calibration needed.
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