PL2303HX PL2303 USB to UART TTL Cable Module RS232 Converter 4 Pin
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

PL2303HX PL2303 USB to UART TTL Cable Module RS232 Converter 4 Pin

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  • Product SKU: KG536
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The PL2303HX is a USB to UART TTL (Transistor-Transistor Logic) converter module that allows communication between a computer or other USB-equipped device and a UART device through a USB port. It is commonly used for connecting microcontrollers, development boards, and other serial communication devices to a computer for programming, debugging, and data transfer.

Here's some information about the PL2303HX module and its key features:

PL2303 Chip:The PL2303HX module is based on the PL2303 chip, which is a popular USB to UART bridge controller chip manufactured by Prolific Technology Inc.

USB Interface: It has a USB Type-A connector on one end, which you can plug into a computer or USB host.

UART Interface: The other end typically has a 4-pin header or wires that can be connected to a UART device. The 4 pins are usually labeled as TX (transmit), RX (receive), VCC (power supply voltage), and GND (ground).

Voltage Levels: The module is designed to work with TTL-level (5V or 3.3V) UART devices. It may require a voltage level converter if you need to interface it with devices that use different voltage levels.

Driver Installation: When connecting the PL2303HX to a computer for the first time, you may need to install drivers, especially if you're using a Windows operating system. The drivers allow the computer to recognize the module as a virtual COM port.

Cross-Platform: It is compatible with various operating systems, including Windows, Linux, and macOS.


The PL2303HX module is commonly used in various applications, such as programming microcontrollers like Arduino, debugging embedded systems, configuring network devices, and interfacing with serial devices like GPS modules and sensors.

LED Indicators: Some PL2303HX modules come with built-in LEDs that indicate data transmission activity, making it easier to troubleshoot communication issues.

Baud Rate Configuration: You can typically configure the baud rate and other communication parameters to match the requirements of your UART device.

DTR and RTS Control: It may also support DTR (Data Terminal Ready) and RTS (Request to Send) control signals for controlling and resetting connected devices.

Technical Details

  • Converter Chip: PC-PL2303HX Chip
  • Cable Length :1 Meter
  • Weight (gm): 30


  • Built-in TTL COM PC-PL2303HX Chip
  • Standard USB type and TTL 4-pin connector
  • Simple and Easy way to give USB support to your designs
  • Available for Linux, Mac, WinCE, and Windows (XP, 7), Win 8

Pin Connection

  • Red: +5 V
  • Black: GND
  • White: RXD
  • Green: TXD


  • Single-chip upgrade solution for Legacy RS232 devices to USB interface
  • USB to RS232 converters/cables/dongles
  • Healthcare/Medical USB Interface Data Transfer Cable
  • Personal Infotainment/Media Player Docking USB Interface
  • Cellular/PDA USB Interface Data Transfer Cable
  • Serial-over-IP Wireless Solution
  • USB Barcode/Smart Card Readers
  • GPS/Navigation USB Interface
  • Point-of-Sale (POS) Terminals/Printers
  • PC Docking Station/Port Replicators
  • Industrial/Instrumentation/Automation Control USB Interface

Physical Attributes

  • Total cable length (cm): 100
  • Weight (gm): 27

Package Includes

  • 1 x PL2303HX PL2303 USB to UART TTL Cable Module RS232 Converter 4 Pin

Customer Reviews

Based on 16 reviews
Raj kamal

On the board there is no quartz, but there is a place for it. On itself, through the terminal works.

Bhuvan Suryawanshi

Works, on the board there is 3,3 and 5v power supply, very happy to do it

Lalit Gupta


Sanchit Sachan


Gardner Heaney

All is ok

Vadlamudi Leela Anjanyelu

Everything is fine, stitched the console with a Mach

Murali Krishna

Fast enough delivery. Inexpensive. Nothing to check yet.


Got it

Rakesh Behera

all here works well thank you.

Raven Mayer

Order received! 4 pin RS232 pl2303hx converter, TTL USB cable module to UART
Thank you seller! Working well!