1、Smart Data Storage Functionality: This module is a smart storage solution that records data received through the UART interface in TXT format to an storage card. It serves the purpose of logging serial data efficiently, offering a simple method for data documentation and retrieval. 2、Versatile Connectivity Options: Equipped with an onboard Type C interface and UART interface, the module allows data access in U disk mode via the Type C port and data transmission through the UART port. It eliminates the need for a USB card reader, enabling file retrieval from the small memory card directly to your computer's designated directory. 3、User Friendly Control Features: Featuring onboard control key, this TTL serial record module facilitates easy switching between U disk mode and RTC time setting mode. 2 LED indicators display system operating status, while the onboard storage card slot supports FAT32 and EXFAT formats, with a capacity of up to 128GB. 4、Integrated Real Time Clock Support: With an onboard CR1220 battery holder, the TTL serial converter adapter supports RTC for real time logging of data acquisition times. It can handle baud rates from 56000bps to 2Mbps, with a default rate of 115200bps, ensuring accurate and timely data recording. 5、Wide Range of Applications: Ideal for scenarios such as environmental monitoring, flow data logging, drone data, and various sensor data recording, the module is compatible with development and testing using for RasPi, for STM32, and other microcontroller devices. This versatility makes it a valuable tool for diverse projects. Item Type: TTL Serial Record Module Material: PCB Power Supply Voltage: 3.3V or 5V Battery Specification: 1x CR1220 (Not Included) Supported Baud Rates: 56000bps to 2Mbps, Default 115200bps Storage Card: Maximum Support 128G (Not Included) 1 x TTL Serial Record Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store