A
Anonymous
Mar 03, 2026
Rating: 3/5
One arrived DOA
First one didn't work, but seller replaced it quickly. Second one works fine.
Description
DHT22 Single-Bus Digital Temperature and Humidity Sensor with Adapter Board AM2302 Module High Precision
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | Single-wire digital |
| Power Supply | 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 |
| Board Size | 15mm x 25mm |
| Pin Configuration | 3-Pin Header (VCC, DATA, GND) |
5 reviews
A
Anonymous
Mar 01, 2026
Rating: 4/5
Good sensor, slow update rate
Accuracy is decent but remember it only updates every 2 seconds.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Accurate enough for home monitoring
Compared it to my thermostat and it was within 1 degree. Great value.
A
Anonymous
Feb 11, 2026
Rating: 5/5
Works with Raspberry Pi GPIO
Just needed a pull-up resistor. Easy to integrate into Python scripts.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Perfect for Arduino projects
Works flawlessly with the standard DHT library. Readings are stable.
5 FAQ
Q: Which library should I use for Arduino?
A: We recommend the Adafruit DHT sensor library available in the IDE manager.
Q: Can I use this outdoors?
A: The sensor itself is somewhat protected, but we recommend an enclosure for outdoor weather exposure.
Q: Is a pull-up resistor included on the board?
A: Yes, this adapter board includes the necessary 10k pull-up resistor.
Q: Does this work with 5V logic?
A: Yes, it supports 3.3V to 5.5V power supply.
Q: What is the wire length from the board to the sensor?
A: The sensor is mounted directly on the PCB. There is no extension cable included.
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