Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Accessory Type: Extension Board _x005f_x000D_ Compatible With: Waveshare _x005f_x000D_ Use: Serial level conversion _x005f_x000D_ Product Size: _x005f_x000D_ Type A interface: 44.45 x 19.05mm/1.75 x 0.75inch _x005f_x000D_ Micro interface: 44.81 x 19.05mm/1.76 x 0.75inch _x005f_x000D_ Mini: 46.17 x 19.11mm/1.81 x 0.75inch _x005f_x000D_ Type C connector: 44.45 x 19.05mm/1.75 x 0.75inch _x005f_x000D_ VCClO: Output 3.3V or 5V (module powered by USB, must jump the jumper cap to 3.3V or 5V) _x005f_x000D_ GND: connect to GND  _x005f_x000D_ TXD: connect to MCU.RX (signal flow: MCU.RXPC.RX) _x005f_x000D_ RTS: connect to MCU.CTS (signal flow direction: MCU.CTSPC.CTS) _x005f_x000D_ This product does not come with USB cable. The module is USB to TTL level, do not connect directly to the RS232 level, so as not to burn the module. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x FT232 USB UART Board _x005f_x000D_ 2pcs x 5PlN pin + 5PIN header _x005f_x000D_ 1 x Dupont cable bulk header 6PIN to custom _x005f_x000D_ 1. Original FT232RL Chip for Enhanced Stability: The FT232 module features the original FT232RL chip, ensuring a much higher level of stability compared to counterfeit products. Customers can trust in its reliable performance and durability. 2. Wide Compatibility with Multiple Operating Systems: This USB to UART module supports various operating systems, including Mac, Linux, Android, WinCE, and Windows 7/8/8.1/10. It offers flexibility for users across different platforms. 3. Three Power Supply Modes: The USB to UART board supports three power supply modes: 5V external power, 3.3V external power, or external power ranging from 3.3V to 5V. Users can choose the appropriate mode based on their specific requirements. 4. LED Indicators for Easy Monitoring: Equipped with three LED (TXD LED, RXD LED, POWER LED), this serial converter allows users to conveniently monitor the status of transmission, reception, and power. The LED provide visual feedback for seamless operation. 5. Versatile Pin Layout: The USB to serial port features a pin layout that includes TXD, RXD, RTS#, and CTS# pins with bent headers for easy connection. Additionally, it offers reserved solder pads for other functions, allowing users to integrate the module into their system using either top or bottom insertion and providing compatibility with prototyping boards.