Y-SHT31-D Digital Temperature & Humidity Sensor Module (I2C / IIC)
The GY-SHT31-D is a high-precision digital temperature and humidity sensor module based on the SHT31 sensor. It features an I2C (IIC) interface for fast and reliable communication, making it ideal for integration with Arduino, ESP32, Raspberry Pi, and other microcontroller platforms.
This module provides accurate environmental readings with excellent long-term stability and low power consumption. Its compact design and easy-to-use interface make it perfect for both DIY electronics projects and professional applications.
🔧 Key Features
- 🌡️ High-accuracy temperature and humidity measurement
- 🔌 I2C (IIC) digital interface for easy communication
- ⚡ Low power consumption – ideal for battery-powered devices
- 🎯 Factory-calibrated sensor for reliable readings
- 📦 Compact module for easy integration
- 🔁 Fast response time and excellent repeatability
📊 Specifications
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Sensor Chip: SHT31
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Interface: I2C (IIC)
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Temperature Range: -40°C to +125°C
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Humidity Range: 0% to 100% RH
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Temperature Accuracy: ±0.3°C (typical)
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Humidity Accuracy: ±2% RH (typical)
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Operating Voltage: 2.4V – 5.5V
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I2C Address: 0x44 (default) / 0x45 (selectable)
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Dimensions: Approx. 20 × 15 mm
🧠 Applications
- 🌱 Smart agriculture & greenhouse monitoring
- 🏠 Home automation systems
- 🌬️ HVAC and climate control
- 📊 Weather stations
- 🤖 Arduino / ESP32 / Raspberry Pi projects
📦 Package Includes
- 1 × GY-SHT31-D Temperature & Humidity Sensor Module
⚠️ Important Notes
- Requires pull-up resistors on I2C lines (often included on module)
- Avoid exposure to water or condensation for accurate readings
- Compatible with common libraries for Arduino and other platforms
⭐ Why Choose This Sensor?
The GY-SHT31-D offers excellent accuracy, stability, and ease of use, making it a reliable choice for environmental sensing in both hobby and professional projects.
