PL2303 USB to Serial UART (TTL) Converter Module & Adapter

The PL2303 USB to Serial UART (TTL) Converter Module & Adapter is a reliable bridge between a computer’s USB port and TTL serial interfaces on microcontrollers or embedded boards.
Built around the Prolific PL2303 chipset, it ensures stable, high-speed communication for programming, firmware updates, and real-time debugging.

Compatible with Windows, macOS, and Linux, this module is ideal for connecting Arduino, Raspberry Pi, ESP8266/ESP32 boards, GPS receivers, routers, and other serial devices.
The adapter features onboard jumpers for 3.3 V or 5 V logic level selection, making it versatile for a wide range of projects.

🔹 Key Features

• USB-to-TTL Serial Interface: Seamless connection between PC and microcontrollers.

• PL2303 Chipset: Reliable driver support and high-speed data transfer.

• Selectable Logic Level: 3.3 V / 5 V jumper for flexible compatibility.

• Plug & Play: No external power required; powered directly from USB.

• LED Indicators: TX/RX LEDs for real-time data monitoring.

🔹 Technical Specifications

• Chipset: Prolific PL2303 (latest revision)

• Interface Voltage: Selectable 3.3 V or 5 V

• USB Type: USB 2.0 full-speed

• Baud Rate: Up to 1 Mbps

• Operating Voltage (VCC): 3.3 V or 5 V (jumper selectable)

• Pins: VCC, GND, TXD, RXD, CTS, RTS

• Operating Temperature: –20 °C to +85 °C

• Dimensions: ~45 mm × 17 mm × 6 mm

🔹 Applications & Use Cases

• Arduino Programming & Debugging

• Raspberry Pi Serial Console Access

• ESP8266/ESP32 Firmware Uploading

• Router & Modem Console (OpenWRT, DD-WRT)

• GPS and Sensor Data Logging

• IoT Development & Testing

🔹 Advantages for Makers & Engineers

• Compatible with Arduino and Accessories and a wide range of Electronics Components.

• Works across major operating systems with readily available Prolific drivers.

• Ideal for field debugging and firmware flashing.

🔹 Safety & Precautions

• Install the correct Prolific driver for your operating system to avoid connection errors.

• Always match the logic level (3.3 V or 5 V) to your target device.

• Avoid hot-plugging when working with sensitive embedded hardware.

🔗 Helpful Internal Links

• Pair with Arduino and Accessories for easy microcontroller programming.

• Explore more Electronics Components for complementary sensors and modules.

• Find reliable Power Supply solutions for your projects.

🎥 Video Tutorial

[YouTube tutorial link here]

📝 Product Summary

The PL2303 USB to Serial UART (TTL) Converter Module and Adapter delivers fast, stable USB-to-TTL communication, perfect for Arduino programming, Raspberry Pi console access, IoT development, and embedded system debugging.