M5Stack Technology Co., Ltd. presents the U103, a multifunction sensor module designed to accurately measure Carbon Dioxide (CO2), relative humidity, and ambient temperature. This electronic component utilizes an I2C interface for efficient data communication, enabling seamless integration into various embedded systems. The U103 operates within a temperature range of -10°C to 60°C, making it suitable for diverse environmental monitoring applications. Its compact design and comprehensive sensing capabilities make it an ideal choice for projects in smart building automation, environmental monitoring, and industrial control systems. The sensor's output provides real-time data for all three measured parameters through a standard I2C protocol.