✅ Key Features:

• Based on the Prolific PL2303 chipset for excellent compatibility

• Converts USB signals to TTL serial (UART) levels

• Supports 3.3V and 5V logic levels (jumper/switch selectable on some versions)

• Compact design with standard 4-pin header (VCC, GND, TXD, RXD)

• Plug-and-play with most operating systems (Windows, Linux, macOS)

• Supports baud rates up to 1Mbps

📦 Specifications:

• Chipset: Prolific PL2303

• Input (USB): USB 2.0 (compatible with USB 1.1 & 3.0)

• Output (TTL): TXD, RXD, VCC, GND pins

• Logic Voltage: 3.3V or 5V (depending on version)

• Operating System Support: Windows XP/Vista/7/8/10, Linux, Mac OS

• Baud Rate: 75bps to 1Mbps

• Dimensions: Approx. 45mm x 15mm

🔌 Applications:

• Programming Arduino, ESP8266, ESP32, and other microcontrollers

• Debugging and serial communication for embedded systems

• Connecting GPS modules, GSM modules, and other serial devices to PC

• DIY electronics and prototyping

💡 Why Choose PL2303 USB-TTL Module?
It’s an affordable, easy-to-use, and reliable adapter for anyone needing serial communication between a computer and electronic devices. Perfect for programming and debugging in your next project.