Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Model Compatibility	SHT20, SHT30, SHT31, SHT35
Communication Interface	I2C (Inter-Integrated Circuit)
Operating Voltage Range	3.3V to 5.5V DC
Temperature Measurement Range	-40°C to +125°C
Humidity Measurement Range	0% to 100% RH
Temperature Accuracy	±0.3°C (typical at 25°C)
Humidity Accuracy	±2% RH (typical at 25°C)
Response Time	8 seconds (typical for humidity)
Package Type	DFN Surface Mount Module with Breakout Pins
Application Scope	HVAC, Weather Stations, IoT Devices

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Great accuracy, small footprint

The sensor is very accurate and compact. I deducted one star because the pin spacing is slightly tight for standard breadboards without an adapter, but otherwise, it's a solid component.

Anonymous

Mar 23, 2026

Rating: 4/5

Solid performance for smart home

Using these in multiple rooms for my smart home hub. They are consistent across all units. The wide voltage range is a nice feature allowing flexibility in power supply choices.

Anonymous

Mar 22, 2026

Rating: 5/5

Reliable data logging

I've been running this in a greenhouse monitoring system for three months now. No drift in values and it handles the high humidity environment without issues. Excellent build quality.

Anonymous

Mar 22, 2026

Rating: 5/5

Easy to integrate

As a beginner, I was worried about the I2C protocol, but the library support for this sensor is fantastic. Got it up and running in under 10 minutes. Great value for money.

Anonymous

Mar 21, 2026

Rating: 5/5

Professional grade results

We use these for preliminary environmental testing in our lab. While not replacing our high-end metrology equipment, they provide surprisingly accurate data for the price point.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for my weather station project

This module works flawlessly with my Arduino setup. The I2C communication is stable, and the readings match my calibrated reference meter almost exactly. Highly recommended for DIY enthusiasts.

5 FAQ

Q: Are there sample code libraries available for ESP32?

A: Absolutely. This sensor is widely supported in the Arduino IDE and PlatformIO. You can find excellent libraries like 'Adafruit SHT31' or 'SparkFun SHT31' that work perfectly with ESP32 boards.

Q: Does this come with a protective filter cap?

A: The standard module includes the sensor chip mounted on a PCB. A separate PTFE filter cap is often recommended for dust protection in harsh environments but is sold separately depending on the specific SKU.

Q: What is the maximum cable length recommended for I2C communication with this sensor?

A: For reliable I2C communication, we recommend keeping cable lengths under 30cm (12 inches) without pull-up resistor adjustments. For longer distances, consider using an I2C extender or buffer.

Q: Is this module compatible with Raspberry Pi GPIO pins?

A: Yes, this module operates at 3.3V logic levels which are fully compatible with Raspberry Pi GPIO. Ensure you connect VCC to 3.3V and use the appropriate I2C pins (SDA/SCL).

Q: Can I use 5V directly on the VCC pin?

A: Yes, the module supports a wide voltage range from 3.3V to 5.5V. You can safely connect 5V directly to the VCC pin, as the board includes necessary regulation for the sensor element.

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