Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface | I2C |
| Operating Voltage | 3.3V - 5V DC |
| Temperature Range | -40°C to +125°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| Package Type | GY Module Breakout |
| Communication Protocol | I2C / Two-Wire |
| PCB Dimensions | 16mm x 16mm |
| Compatible Platforms | Arduino, ESP32, Raspberry Pi |
Anonymous
Apr 07, 2026
Rating: 5/5
Reliable data for greenhouse
Using this for automated greenhouse monitoring. It handles the humidity well without drifting.
Anonymous
Mar 06, 2026
Rating: 4/5
Good value sensor
Solid sensor for the price. The pins are slightly fragile so be careful when soldering headers.
Anonymous
Feb 27, 2026
Rating: 5/5
Perfect for school projects
Bought this for a physics project. Very straightforward to use with Arduino Uno.
Anonymous
Feb 13, 2026
Rating: 4/5
Good but check voltage
Make sure to use 3.3V logic if possible. Works on 5V but level shifting is recommended for longevity.
Anonymous
Jan 21, 2026
Rating: 5/5
Works perfectly with ESP32
Easy to wire up and the library support is excellent. Readings are stable and match my reference meter closely.
Q: What library should I use for this sensor?
A: The Adafruit SHT31 library is widely used and supports most variants in this series.
Q: What is the default I2C address?
A: The default I2C address is typically 0x44, though some variants may use 0x45 depending on the pin configuration.
Q: Is the sensor waterproof?
A: No, the chip and PCB are not waterproof. Please house it in a ventilated enclosure for outdoor use.
Q: Does this work with a 5V Arduino Uno?
A: Yes, it is compatible with 5V systems, but we recommend using a logic level converter for best reliability.
Q: How fast does it update readings?
A: The typical response time is around 8 seconds for full accuracy, but faster polling modes are available.
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