1、Efficient Conversion: Utilizes the high performance FT231 chip for seamless USB to UART conversion, with full modem control, exceptional efficiency to meet your conversion needs and enhance data communication. 2、Easy to Use: Simply install the driver to generate a virtual serial port, user‑friendly operation suitable for beginners and experienced users alike, making it easy to get started. 3、Seamless Computer Connection: Equipped with a MicroUSB port for seamless computer connection, rapid and smooth data transmission that greatly boosts work efficiency. 4、Data Indicator Light: On board transmission and reception indicator lights provide real‑time communication feedback, facilitating effective data reading and writing management. 5、Additional Power Output: In addition to conversion function, features a 3.3V power output pin for sustained and stable power supply, ensuring optimal operational performance of your devices. Item Type: MicroUSB to UART TTL Module Material: PCB Weight: Approx. 13g / 0.5oz Chip: FT231, generates virtual serial port after driver installation Power Supply: MicroUSB 5V power supply On board transmission and reception indicator lights: The transmission and reception indicator lights will flash during communication Function: Achieves USB to UART functionality, with full modem control, module equipped with green LED for receiving data indication, red LED for transmitting data indication, MicroUSB port for easy connection to computer, and 3.3V power output pin 1 x MicroUSB to UART TTL Module 1 x User Manual