CHT8305 Module Digital Temperature and Humidity Sensor for Home Automation, Weather Stations, HVAC Systems,

CHT8305 Module Digital Temperature and Humidity Sensor for Home Automation, Weather Stations, HVAC Systems, Description

Advanced sensing technology: The CHT8305 module uses the latest temperature and humidity sensing technology to provide accurate measurements and fast response , making it an ideal choice for monitoring critical environmental data.
Compact and versatile: The high-precision digital temperature and humidity sensor uses an I²C interface and is small in size ( package). Its miniature design makes it ideal for space-constrained applications such as homes, environmental monitoring, weather stations, and wearable devices, ensuring seamless integration and uncompromised performance.
Easy integration: The sensor module is designed for easy integration with a variety of electronic projects and systems, equipped with a user-friendly interface and supports two digital outputs.
Reliable performance: Designed with durability and reliability in mind, it can operate effectively in a variety of environmental conditions and is a reliable choice for hobbyists and professional developers.
The CHT8305 module integrates temperature + humidity detection, has the characteristics of low power consumption, fast response, and high stability, and is compatible with mainstream development boards such as for , ESP32, and for Raspberry Pi.

Temperature range -40C ~ +125C
Humidity range 0% ~ RH
Temperature accuracy 0.2C (0C~60C)
Humidity accuracy 2% RH (20%~80% RH)
Operating voltage 1.8V ~ 3.6V
Communication protocol I²C (address 0x40)
Response Humidity: 8s (τ63%), temperature: 5s
Module size About 10mm x 10mm (including PCB)
Pin definition
Pin Function
VCC Power input 1.8V~3.6V (recommended 3.3V)
GND Ground Power ground
SCL I²C clock Connect to the SCL pin of MCU
SDA I²C data Connect to the SDA pin of the MCU
Typical application scenarios