Description:
This is the PL2303HX USB to TTL (Serial) Converter Module with 5 pins. It features an imported RS232 TTL controller that provides stable performance, along with a high-speed 500mA self-recovery fuse for protection.
The module includes two data transmission indicators that allow for real-time monitoring of data transfer status. It has reserved 3.3V and 5V pin interfaces, making it easy to power different voltage systems such as DD-WRT. The entire board is covered with a high-quality transparent heat-shrinkable sleeve, ensuring insulation and protecting the PCB from potential shorts.
For information on resolving Prolific USB driver issues on Windows 8.1 and Windows 10, please refer to the VIDEOS section.
Applications:
- All kinds of satellite set-top box upgrade
- Router, HDD, ADSL, broadband modem firmware upgrade or cracked upgrade
- Cellphone, XBOX360, GPS serial communication, vehicle inspection and test, DVD flash and so on
- Burn writes STC MCU, NXP MCU, Renesas MCU, NEC MCU and so on
- Simple UART communication commonly used UART debugging tools in the supper terminal
- USB signal transferred to the TTL signal may be used by electronic enthusiasts
Drivers Download: Visit prolific.com.tw
Features:
- Adopt imported controller PL2303HX, which can stabilize the flash with high speed
- 500mA self-recovery fuse for protection
- Two data transmission indicators can monitor data transfer status in real time
- Reserve 3.3V and 5V pin interface, easy for the DDWRT of different voltage system that needs power
- The entire board is coated by the high-quality transparent heat-shrinkable sleeve, making the PCB in insulation state from outside
- So that the board won’t be burnt down by material shortcut
- The electrostatic package ensures the board will not be damaged before use
- Support WIN7 system
Specifications:
| Input Supply voltage (V) | 3.3 ~ 5 |
|---|---|
| Model | PL2303HX |
| Support | Windows 98 to Windows 7 (32 bit and 64 bit) Mac OS 8 to OS X (32 bit and 64 bit) Linux |
| Length (mm): | 52 |
| Width (mm): | 15.5 |
| Height (mm): | 6.5 |
| Weight (g): | 5 |
Package Includes:
- 1 x PL2303- PL2303HX USB To TTL Serial Converter Module.
Attachments:
Videos:
PL2303 – PL2303HX USB To TTL Serial UART Converter Module Overview
The PL2303 – PL2303HX USB To TTL Serial UART Converter Module is a compact interface board that converts USB signals to 3.3V/5V TTL-level serial data. It’s ideal for connecting PCs and laptops to microcontrollers, routers, set-top boxes or other devices requiring UART communication.
Key Features of PL2303 – PL2303HX USB To TTL Serial UART Converter Module
- Imported PL2303HX controller for stable, high-speed USB-to-TTL conversion
- Built-in 500mA self-recovery fuse protects against overcurrent
- Dual TX/RX indicator LEDs for real-time data transfer monitoring
- Separate 3.3V and 5V output pins to suit different voltage systems
- Transparent heat-shrinkable sleeve provides insulation and PCB protection
- Fast shipping from Zbotic with online tracking
Applications and Use Cases
- Flashing or debugging DD-WRT and other router firmware via serial console
- Serial communication link for Arduino, ESP modules and other microcontrollers
- Upgrading satellite set-top boxes or LED display controllers
- Interfacing TTL-level GPS modules or Bluetooth HC-05/06 adapters
- Logging and monitoring sensor outputs on embedded prototypes
How to Use PL2303 – PL2303HX USB To TTL Serial UART Converter Module
Plug the module into a USB port on your computer and install the PL2303HX driver. Choose the required voltage by wiring either the 3.3V or 5V pin to your target device’s VCC. Connect TX of the module to RX of your device and RX to TX. Power up your device and open a serial terminal at the appropriate baud rate to begin communication.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Is the PL2303HX module compatible with Windows 10?
Yes, the module works with Windows 10. Install the official Prolific PL2303HX driver. If you encounter driver errors on Windows 8.1 or 10, refer to the VIDEOS section on Zbotic.in for step-by-step troubleshooting.
How do I select between 3.3V and 5V output?
The board provides both 3.3V and 5V pins. Simply connect the appropriate voltage pin to your device’s power input and leave the other unconnected. Ensure your device’s maximum voltage rating matches the pin you choose.
Can I use this module to flash firmware on a DD-WRT router?
Absolutely. The PL2303HX converter supplies TTL-level serial signals required by most routers’ console headers. Use the 3.3V pin when working with typical router boards and follow the manufacturer’s serial flashing procedure.
Technical Specifications
| Model | PL2303 |
|---|---|
| Pin Count | 5-pin |
| Interface / Protocol | UART, USB, TTL |
| SKU | AI0325 |
| Weight | 0.01 kg |
| Availability | Out of Stock |
Applications & Use Cases
The PL2303 - PL2303HX USB To TTL Serial UART Converter Module – 5 Pin is a versatile usb interface module used across a wide range of applications including serial communication, industrial automation, data logging, PLC interfacing, and IoT gateway.
Common use cases:
- Converting USB to RS485 for industrial equipment
- Building a data logger for factory sensors
- Debugging embedded systems via UART
This product is ideal for embedded system developers and industrial automation engineers.
Technical Tip: Industrial-grade modules with isolation protect against ground loops and voltage spikes in noisy environments.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components


Neeraj Jain (verified owner) –
Excellent PL2303 – PL2303HX USB To TTL! Output is stable and reliable. Perfect for my electronics project.
Aryan Dubey (verified owner) –
Bought multiple units of this PL2303 – PL2303HX USB To TTL. All consistent quality. Zbotic is reliable.
Rahul Deshpande (verified owner) –
Great PL2303 – PL2303HX USB To TTL. Voltage is rock solid under varying loads. Highly recommended.
Kartik Yadav (verified owner) –
Bought multiple units of this PL2303 – PL2303HX USB To TTL. All consistent quality. Zbotic is reliable.
Chetan Tiwari (verified owner) –
This PL2303 – PL2303HX USB To TTL performs flawlessly. Voltage regulation is precise and consistent.
Karan Mukherjee –
Perfect PL2303 – PL2303HX USB To TTL for my portable project. Battery life is better than expected.
Sanjay Garg –
Very satisfied with this PL2303 – PL2303HX USB To TTL. Using it in my solar project, charges perfectly.
Anil Chatterjee (verified owner) –
Superb PL2303 – PL2303HX USB To TTL! Efficiency is high and it runs cool even under load.
Nakul Bhandari (verified owner) –
Perfect PL2303 – PL2303HX USB To TTL for my portable project. Battery life is better than expected.
Raghav Menon (verified owner) –
Very satisfied with this PL2303 – PL2303HX USB To TTL. Using it in my solar project, charges perfectly.
Aslam (verified owner) –
Lokesh Rao –
Outstanding! This PL2303 – PL2303HX USB To TTL supplies clean power to my sensitive circuits. No noise at all.
Nakul Shah (verified owner) –
Superb PL2303 – PL2303HX USB To TTL! Efficiency is high and it runs cool even under load.
Sakshi Negi (verified owner) –
Very satisfied with this PL2303 – PL2303HX USB To TTL. Using it in my solar project, charges perfectly.
Lalit Vohra (verified owner) –
Great quality PL2303 – PL2303HX USB To TTL. Powering my entire project board with this. Very reliable.