<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title> </title> <div style="width:100%;height:100%;"> <div style="width:100%;text-align:center;height:30px;" id="title"> <span style="font-weight:bold;font-size:16px;">Optimal USB To 8-Way TTL Serial Port Module CH348 Multi-Channel UART Expansion Board Typec To 8 TTL Module PCB Board</span> </div> <div id="description"> <div class="ui-box-body"> <span style="font-size:18px;"> <div> This is a high-speed USB bus adapter module that realizes the function of USB to 8 TTL serial ports. It is used to expand the asynchronous serial port for the computer, or directly upgrade the ordinary serial port device or MCU to the USB bus. <br />Built-in firmware, emulates the standard serial port, used to upgrade the serial port peripherals, or add additional serial ports through USB. <br />The serial port application under the Windows operating system on the computer is fully compatible without modification. <br />Supports Windows, Linux, Android, macos and other operating systems. <br />Hardware full-duplex serial port, built-in independent transmit and receive buffer, communication baud rate supports 1200bps-6Mbps. <br /> <br />The serial port supports 8 data bits, odd parity, even parity and no parity, and supports 1 or 2 stop bits. <br />Each serial port has a built-in 2048-byte receive FIF0 and a 1024-byte transmit FIFO. <br />Supports half-duplex, provides 4 TNOWs to indicate the serial port is sending status, which can be used to control RS485 transceiver switch. <br />Supports RS232, RS485, RS422 and other interfaces through external level conversion devices. <br />Indicator light: <br />Red light: Connect USB, 3.3V power indicator light. <br />Emerald green light: The computer driver has been successfully installed, and the emerald green light is on. <br />Normal: It can be used only when both indicators are on. <br />Colour:Black <br />Material:PCB+Plastic <br /> <br />Package Contents: <br />1 x USB to TTL Serial Port Module <br /> <br />Only the above package content, other products are not included. <br />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. </div></span> </div> </div> <div id="details"> <div class="ui-box-body"> <span style="font-size:18px;"> <table border="0" cellpadding="0" cellspacing="0" style="width: 100.0%;"> <tbody> <tr> <td style="margin: 0 auto; text-align: center;"><p></p><p></p><p></p><p></p><p></p></td> </tr> </tbody> </table> </span> <br /> <p> <br /> </p> <p> </p> </div> </div> </div></div></div>