PL2303 PL2303HX USB To TTL(Serial) Converter Module - 5 Pin

The PL2303 PL2303HX USB to TTL (Serial) Converter Module provides a reliable and cost-effective bridge between a computer USB port and microcontroller UART serial interfaces. Built around the Prolific PL2303HX controller, this module enables seamless serial communication, firmware updates, and debugging for development boards and embedded projects.

It features a convenient 5-pin breakout header supporting standard connections including TXD, RXD, GND, 5V, and 3.3V power outputs. It is widely used for programming microcontrollers, interfacing GPS modules, communicating with wireless boards, and testing serial data streams in electronics prototyping.

Key Features

• Type: USB to TTL Serial Converter Module

• Controller IC: Prolific PL2303HX

• Pinout Connections: TXD, RXD, GND, 5V, 3.3V

• Easy circuit assembly and driver integration

• Reusable and durable design for bench testing

• Compact form factor convenient for breadboards and jumper wire hookups

Applications

• Microcontroller programming and serial debugging

• ESP32, ESP8266, and Arduino board communication

• Interfacing GPS modules, GSM modems, and Bluetooth adapters with PCs

• Terminal monitoring and hardware serial diagnostics

• Educational STEM projects & embedded systems labs

• DIY electronics & prototyping