Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Compatibility | DHT11, DHT22 (AM2302), SHT30, SHT31 |
| Interface Type | Digital Single-Bus |
| Operating Voltage | 3.3V - 5V DC |
| Temperature Range (DHT22) | -40°C to +80°C |
| Humidity Range (DHT22) | 0% to 100% RH |
| Accuracy (Humidity) | ±2% RH (Max) |
| Sampling Period | 2 Seconds |
| Pin Configuration | 4-Pin Header (VCC, Data, NC, GND) |
| Application Scope | Arduino, Raspberry Pi, IoT Projects |
| Package Contents | 1x Sensor Module, 1x Pin Header Strip |
Anonymous
Mar 21, 2026
Rating: 4/5
Solid performance
The build quality is decent for the price. I am using the SHT30 variant for a more precise project, and it communicates well over I2C. Shipping was fast.
Anonymous
Mar 11, 2026
Rating: 5/5
Perfect for Arduino Projects
These sensors work flawlessly with my Arduino Uno. The DHT22 version provides much better accuracy than the DHT11. Setup was easy using standard libraries.
Anonymous
Mar 10, 2026
Rating: 5/5
Bulk buy success
Purchased a lot for our community maker space. All units tested working out of the box. Great for teaching students about environmental sensing.
Anonymous
Mar 10, 2026
Rating: 4/5
Good value for monitoring plants
I bought five of these for my automated greenhouse system. They are reliable, though you need to wait a few seconds between readings as specified in the datasheet.
Anonymous
Mar 06, 2026
Rating: 5/5
Great starter sensor
As someone new to electronics, this module was very forgiving. The pins are clearly marked, and there are plenty of tutorials online to get started quickly.
Anonymous
Mar 03, 2026
Rating: 3/5
Works but requires pull-up resistor
The sensor works fine, but beginners should note that you often need an external pull-up resistor on the data line if your board doesn't have one built-in.
Q: Can these sensors be used outdoors?
A: While the electronic components can function outdoors, the sensor itself is not waterproof. You must house it in a ventilated, weatherproof enclosure for outdoor use.
Q: Is this compatible with Raspberry Pi GPIO pins?
A: Yes, these sensors are fully compatible with Raspberry Pi. However, ensure you use the correct voltage level (3.3V) and include a pull-up resistor on the data pin.
Q: Which library do you recommend for ESP32?
A: For ESP32, we recommend using the 'DHT sensor library' by Adafruit available in the Arduino IDE Library Manager, which supports both ESP32 and ESP8266 boards.
Q: What is the main difference between the DHT11 and DHT22 included here?
A: The DHT22 (AM2302) offers a wider temperature range (-40 to 80°C) and higher accuracy compared to the DHT11 (0 to 50°C). The DHT22 also has a slower sampling rate.
Q: Do I need to solder the pins myself?
A: The module typically comes with a separate pin header strip. You will need to solder them onto the board yourself unless you purchase a pre-soldered version.
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