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Home / Computer Hardware, Monitors & Peripherals / Serial SHT20/SHT30 Temperature and Humidity Sensor Test Module by WitMotion

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Interface Type UART Serial (TTL)
Sensor Chip SHT20 / SHT30 Compatible
Operating Voltage 3.3V - 5.5V DC
Temperature Range -40°C to +125°C
Humidity Range 0% to 100% RH
Temperature Accuracy ±0.3°C (typical)
Humidity Accuracy ±2% RH (typical)
Module Dimensions 25mm x 15mm x 5mm
Mounting Type PCB Screw Holes
Warranty Period 12 Months

5 reviews

A

Anonymous

Apr 09, 2026

Rating: 5/5

Reliable for storage

Using this in a medication storage unit to ensure environmental conditions stay within range. It has been running continuously for months without issues.

A

Anonymous

Apr 05, 2026

Rating: 5/5

Excellent support

Had a question about voltage requirements and the support team responded quickly. The module itself is robust and handles voltage fluctuations well.

A

Anonymous

Mar 19, 2026

Rating: 5/5

Compact and precise

Fits easily into my custom enclosure. The size is perfect for tight spaces where larger sensors wouldn't fit. Highly recommend for DIY projects.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Great for kennel monitoring

Works perfectly with my Arduino setup to monitor the humidity in our dog kennels. The serial output is easy to parse and the readings are consistent.

A

Anonymous

Feb 04, 2026

Rating: 4/5

Accurate readings

Good sensor overall. The wiring instructions could be clearer for beginners, but once connected, the temperature data is very reliable.

5 FAQ

Q: Does this work with Raspberry Pi?

A: Yes, this module is compatible with Raspberry Pi via the UART GPIO pins. Please ensure you configure the serial interface correctly in your OS settings.

Q: What is the default baud rate?

A: The default baud rate is 9600 bps. This can be adjusted via command if your project requires a different communication speed.

Q: Can it log data internally?

A: No, this module outputs real-time data only. You will need a microcontroller or computer connected to record and log the sensor readings.

Q: Is it safe for animal enclosures?

A: Yes, it operates on low voltage and generates minimal heat, making it safe for use in veterinary clinics and animal housing environments.

Q: Is the PCB waterproof?

A: The sensor chip itself is resistant to humidity, but the PCB is not waterproof. We recommend housing it in a protective enclosure for wet environments.

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