Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Model Compatibility	DHT11, DHT22, AM2302, SHT30, SHT31
Operating Voltage	3.3V - 5.5V DC
Temperature Range	-40°C to +80°C (DHT22/SHT30)
Humidity Range	0% to 100% RH
Accuracy	±0.5°C / ±2% RH (SHT30)
Interface Type	Single-wire Digital / I2C
Response Time	< 8 Seconds
PCB Dimensions	15mm x 15mm x 5mm
Mounting Hole	3mm Diameter
Application	Arduino, Raspberry Pi, IoT Projects

6 reviews

Anonymous

Mar 29, 2026

Rating: 4/5

Good value, reliable readings

Using these to monitor humidity in my greenhouse. They seem consistent and the price point allows me to place several sensors around the room. One star off because the pin headers were slightly bent on arrival, but easy to fix.

Anonymous

Mar 24, 2026

Rating: 5/5

Great for learning IoT

As a beginner, I found this module very easy to integrate into my first ESP8266 project. The documentation linked in the description helped me get the data logging up and running in under an hour.

Anonymous

Mar 24, 2026

Rating: 5/5

Industrial grade performance

The SHT31 variant provides excellent stability for our prototype enclosure testing. Fast response time and low power consumption make it ideal for battery-operated devices.

Anonymous

Mar 12, 2026

Rating: 5/5

Compact and efficient

Love how small these modules are. I fitted three of them inside a custom 3D printed case for my living room automation system. No issues with connectivity or data spikes.

Anonymous

Mar 01, 2026

Rating: 3/5

Works but needs calibration

The sensor works out of the box, but I noticed a slight offset in humidity readings compared to a calibrated reference meter. After applying a software correction factor, it works perfectly fine for home use.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect for my weather station

I bought the SHT30 version for an outdoor weather station project. The accuracy is noticeably better than the older DHT11 modules I used previously. Setup with Arduino was straightforward using the standard libraries.

5 FAQ

Q: Is this module compatible with 3.3V logic levels like the ESP32?

A: Yes, the module operates within a 3.3V to 5.5V range, making it fully compatible with both 3.3V and 5V microcontrollers like the ESP32 and Arduino Uno.

Q: What library do you recommend for reading the SHT30 data?

A: We recommend using the 'Adafruit SHT31' library or the 'SparkFun SHT31' library, both available in the Arduino Library Manager. They are well-maintained and support the SHT30 series seamlessly.

Q: Can I connect multiple sensors to one microcontroller pin?

A: For DHT11/DHT22 models using the single-wire interface, you can connect multiple sensors to different GPIO pins. They cannot share the same data line simultaneously. SHT30 models use I2C, allowing multiple devices on the same bus if they have different addresses.

Q: What is the difference between the DHT22 and SHT30 versions listed?

A: The DHT22 offers good general-purpose accuracy, while the SHT30 provides higher precision, faster response times, and better long-term stability, though it typically uses the I2C interface instead of the single-wire protocol.

Q: Does this come with a waterproof probe cover?

A: No, this listing is for the bare PCB module only. The sensor element itself is not waterproof. For outdoor use, we recommend purchasing a separate ABS plastic housing with a breathable membrane.

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