GY-SHT40 Digital Temperature and Humidity Sensor

The GY SHT40 Digital Temperature and Humidity Sensor module is a high precision environmental sensing module based on the SHT40 digital sensor. It provides accurate measurement of ambient temperature and relative humidity using a calibrated sensor with digital I2C communication interface for easy integration with microcontrollers.

This module is suitable for environmental monitoring, weather stations, HVAC control, smart home systems, and IoT applications. The digital output ensures stable measurements and reduces noise compared to analog sensors. It can be easily interfaced with development platforms such as Arduino/ESP32/Raspberry Pi.

Key Features

• High accuracy digital temperature and humidity measurement
• Based on SHT40 precision environmental sensor
• I2C digital communication interface
• Fast response and stable readings
• Factory calibrated sensor output
• Compact module suitable for embedded systems
• Compatible with Arduino/ESP32/Raspberry Pi platforms

Specifications

• Sensor Model = SHT40
• Operating Voltage = 2.4V to 5.5V
• Communication Interface = I2C digital interface
• Temperature Measurement Range = -40 C to +125 C
• Humidity Measurement Range = 0 percent RH to 100 percent RH
• Temperature Accuracy = plus minus 0.2 C typical
• Humidity Accuracy = plus minus 1.8 percent RH typical
• Response Time = Fast response digital sensor

Interfaces

• VCC = Power supply input
• GND = Ground
• SDA = I2C data line
• SCL = I2C clock line