Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model | DHT11 / DHT22 (AM2302) |
| Operating Voltage | 3.3V - 5.5V DC |
| Temperature Range | 0°C to 50°C (DHT11), -40°C to 80°C (DHT22) |
| Humidity Range | 20% to 90% RH (DHT11), 0% to 100% RH (DHT22) |
| Accuracy | ±2°C / ±5% RH (DHT11), ±0.5°C / ±2% RH (DHT22) |
| Sampling Period | 1 second (DHT11), 2 seconds (DHT22) |
| Interface | Single-wire digital serial |
| Pin Count | 3 or 4 pins (depending on module version) |
| Compatibility | Arduino, Raspberry Pi, ESP8266, ESP32 |
| Package Includes | 1x Sensor Module with mounting holes |
Anonymous
Mar 23, 2026
Rating: 3/5
Slow sampling rate
Works as advertised, but keep in mind the DHT11 can only sample once per second. If you need faster updates for a real-time graph, this might feel a bit sluggish compared to more expensive sensors.
Anonymous
Mar 23, 2026
Rating: 4/5
Good value, but get the DHT22 for outdoors
The sensor works well, but I realized too late that the DHT11 isn't great for outdoor use due to its limited temperature range. I swapped it for the DHT22 included in the same shop and now it handles the winter cold perfectly.
Anonymous
Mar 22, 2026
Rating: 4/5
Solid basic sensor
Not the most precise sensor on the market, but for the price, you cannot beat it. Ideal for triggering fans or heaters based on rough thresholds rather than scientific measurement.
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect for beginner Arduino projects
I bought the DHT11 version for a simple weather station project. It was incredibly easy to wire up and the library support is excellent. Readings are stable enough for indoor monitoring.
Anonymous
Mar 14, 2026
Rating: 5/5
Great for university projects
Bought five of these for a class project. All of them worked out of the box. The documentation online is plentiful which made debugging our code very easy.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable and consistent data
Been running this on an ESP32 for three months straight. The humidity readings match my dedicated hygrometer very closely. No drift issues so far.
Q: Does this come with a waterproof casing?
A: No, this is a bare PCB module intended for indoor use or integration into your own 3D printed or enclosed housing. It is not water-resistant.
Q: Which Arduino library do you recommend for reading data?
A: The 'DHT sensor library' by Adafruit is the most popular and reliable choice. It supports both DHT11 and DHT22 models seamlessly.
Q: How long is the cable if I buy the version with wires attached?
A: Please note that this specific listing is for the compact module header pin version. It does not include extended cables; you will need to solder your own wires or use jumper cables.
Q: What is the main difference between the DHT11 and DHT22 listed here?
A: The DHT22 (AM2302) offers higher accuracy, a wider temperature and humidity range, and better resolution, though it has a slower sampling rate (2s) compared to the DHT11 (1s).
Q: Can I use this directly with 5V logic without a level shifter?
A: Yes, the module typically includes a pull-up resistor and is designed to operate comfortably between 3.3V and 5V, making it compatible with both Arduino (5V) and ESP32 (3.3V).
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