This USB to TTL serial converter utilizes the stable and reliable CP2102 chipset and supports a wide range of STC microcontrollers. It is compatible with a wide range of operating systems, including for Windows 98SE to Windows 7, for Mac OS 9/X, and for Linux 2.40, ensuring versatility across different platforms. Enables efficient data communication with baud rates ranging from 300 bps to 1.5 Mbps, with optimal performance at 115,200 bps. The converter enables high-speed data transfer and is ideal for a variety of UART projects that require fast data exchange. The module utilizes a standard USB Type A male and TTL 5-pin connector that includes 5 pins for 3.3V, RST, TXD, RXD, and GND and 5 V. This easy-to-connect setup allows for seamless integration with microcontrollers (MCUs), increasing project flexibility. The module is equipped with three important LED indicators for power, data reception, and data transmission to ensure clear and immediate feedback on operational status. These indicators help troubleshoot problems and simplify the development process by providing real-time updates. The kit includes three USB to TTL 5-pin UART STC downloader modules and three sets of jumpers, making it ideal for a range of USB to TTL electronics projects. It provides everything you need to start connecting your MCU to a PC, offering a comprehensive solution for hobbyists and professionals alike. Colour:As Shown Material:PC board Package Contents: 3 * CP2102 module 3 * DuPont line 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.