Advanced sensing technology: The CHT8305 MINI module uses the latest temperature and humidity sensing technology to provide accurate measurements and fast response time, 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 (MINI package). Its miniature design makes it ideal for space-constrained applications such as smart 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 . Temperature range -40°C ~ +125°C Humidity range 0% ~ 100% RH Temperature accuracy ±0.2°C (0°C~60°C) Humidity accuracy ±2% RH (20%~80% RH) Operating voltage 1.8V ~ 3.6V Communication protocol I²C (address 0x40) Response time 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 line Connect to the SCL pin of MCU SDA I²C data line Connect to the SDA pin of the MCU Typical application scenarios Smart thermometer and hygrometer (with OLED to display real-time data) IoT environmental monitoring (upload data via Wi-Fi/Bluetooth) Agricultural greenhouse monitoring (detect temperature and humidity in the greenhouse) Wearable devices (low-power design, suitable for bracelets/watches) Color: As Shown Material: PCB Package Contents: 1 * CHT8305 MINI Module 1 * pin header (need to be soldered) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.