The PL2303 USB to TTL Module/Adapter is a reliable and versatile interface designed for serial communication, device upgrades, and microcontroller programming. Built around the high-performance Prolific PL2303HX controller, this module ensures stable, high-speed data transmission and is widely used in embedded development, firmware updates, and debugging applications.
Ideal for satellite set-top box upgrades, routers, HDDs, ADSL/broadband modems, GPS modules, Xbox 360 consoles, vehicle inspection tools, DVD players, and more. It is also compatible with microcontroller programming for STC, NXP, Renesas, NEC, and other MCUs.
The adapter converts USB signals to TTL-level serial signals, making it a must-have tool for electronics enthusiasts, developers, and technicians. With built-in protection features, data indicators, and dual-voltage pin support, it provides both safety and convenience during operation.
Key Features
Chipset: PL2303HX — stable, high-speed USB to TTL conversion.
Wide Application: Suitable for firmware upgrades, UART communication, and MCU programming.
Protection: Integrated 500mA self-recovery fuse for short-circuit and overload protection.
Status Indicators: Two onboard data transmission LEDs for real-time monitoring.
Voltage Support: Reserved 3.3V and 5V pin interfaces, compatible with multiple systems.
Durability: Encased in a transparent heat-shrink sleeve for insulation and protection.
Safe Packaging: Supplied in electrostatic protection packaging to prevent damage.
OS Support: Compatible with Windows 7 and later (with drivers).
Technical Specifications
Controller IC: Prolific PL2303HX
Input: USB 2.0 (Type-A)
Output Signal: TTL level (3.3V / 5V selectable)
Data Transfer Rate: Up to 1 Mbps (stable high-speed operation)
Protection: 500mA polyfuse auto-reset
Indicators: RX/TX data transfer LEDs
Dimensions: ~ 50mm 15mm (PCB size, varies by batch)
Cable Length: Standard USB plug-and-play interface (no extra cable required)
Operating Systems: Windows XP / Vista / 7 / 8 / 10 (driver installation required), Linux, Mac OS (with driver support)
