Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Interface Type	I²C (Inter-Integrated Circuit)
Operating Voltage	3.3V to 5.5V DC
Temperature Range	-40°C to +125°C
Humidity Range	0% to 100% RH
Temperature Accuracy	±0.3°C (typical at 25°C)
Humidity Accuracy	±2% RH (typical at 25°C)
Probe Cable Length	1.5 Meters
Ingress Protection	IP67 Waterproof Rated
Response Time	8 Seconds (typical)
Compatible Platforms	Arduino, Raspberry Pi, ESP32, STM32

5 reviews

Anonymous

Apr 03, 2026

Rating: 5/5

Accurate compared to calibration unit

Tested this against a certified laboratory meter. The temperature variance was negligible and humidity was within the stated 2% tolerance. Excellent value for the price point.

Anonymous

Mar 23, 2026

Rating: 4/5

Good sensor, mind the pull-up resistors

Works great with my ESP32 project. Just remember you need external pull-up resistors on the SDA and SCL lines if your board doesn't have them built-in. Otherwise, solid performance.

Anonymous

Feb 20, 2026

Rating: 5/5

Perfect for environmental monitoring

I installed three of these in my greenhouse setup. The I²C communication is stable and the waterproofing holds up well against misting systems. Readings match my handheld hygrometer closely.

Anonymous

Feb 18, 2026

Rating: 5/5

Survived heavy rain and snow

Mounted this outside under a small overhang. It has been through rain and freezing temperatures without any corrosion or data errors. The probe housing is very durable.

Anonymous

Feb 12, 2026

Rating: 4/5

Great value, slightly slow response

For the price, you can't beat it. The response time is around 8 seconds as advertised, which is fine for logging but not for rapid change detection. Would buy again.

5 FAQ

Q: Is the probe head fully submersible in water?

A: The probe has an IP67 rating, meaning it can withstand temporary immersion up to 1 meter for 30 minutes. It is designed for high humidity and rain, not continuous deep submersion.

Q: Can I extend the cable length to 5 meters?

A: Yes, you can extend the cable, but please ensure you use shielded wire for the I²C lines to prevent signal degradation over longer distances.

Q: What is the default I²C address?

A: The default I²C address is typically 0x44. Some variants may use 0x45 depending on the specific chip configuration, but 0x44 is the standard for this module.

Q: Do you provide a library for Arduino?

A: We recommend using the standard Adafruit SHT31 or Sensirion SHT3x libraries available in the Arduino Library Manager, as they are fully compatible with this sensor.

Q: Can I power this directly from a 5V Arduino pin?

A: Yes, the module supports an operating voltage range of 3.3V to 5.5V DC, so it is compatible with 5V logic boards like the Arduino Uno.

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