Compact and Portable Design: This mini serial data logger features a small and compact build, making it ideal for embedded systems, field data collection, and portable applications. High Compatibility: Supports data logging via UART serial communication and records data in a universally readable format, ensuring easy integration with microcontrollers and development boards. Reliable SD Card Storage: Equipped with an SD card holder, this module ensures stable and secure data storage, suitable for extended logging sessions and large data volumes. Easy to Use: Simple setup and operation with plug-and-play functionality, making it beginner-friendly while meeting the demands of professional developers. Versatile Applications: Perfect for scientific research, industrial monitoring, IoT development, and educational projects requiring reliable data acquisition and storage. This product is an intelligent storage module with an integrated FAT32 file system to enable high-speed and reliable file management and data collection. It features an external TTL interface, allowing real-time data input through the module. The module writes received data into files. It can be used in environmental monitoring, power monitoring, flow data recording, temperature and humidity data recording, GPS observation data collection, quadcopter drone data recording, trajectory recording, and various sensor data recording. Note: Due to different production batches and random styles, specific designations cannot be guaranteed. Color: As shown Material: PCB Package Contents: 1 x Mini serial data logger Only the above package content is included; other items are not part of the package. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.