6-in-1 USB to Serial Converter

A versatile USB-to-serial converter module supporting six conversion modes: USB-TTL, USB-232, USB-485, TTL-232, TTL-485, and 232-485. Switch between modes using onboard DIP switches — no need for multiple adapters.

Built around the CP2102 chip with 3.3V/5V compatibility. Includes 500mA fuse protection against short circuits and over-current, plus LED indicators for power (yellow), RX (red), and TX (green) status.

Key Features

• 6 Conversion Modes – USB-TTL, USB-232, USB-485, TTL-232, TTL-485, 232-485
• DIP Switch Selection – Quickly switch modes without rewiring
• 3.3V/5V Compatible – Works with both voltage levels
• 500mA Fuse Protection – Over-current and short-circuit protection built in
• Status LEDs – Yellow (USB/COM), red (RX), green (TX)
• Up to 2 Mbps – High-speed baud rate support

Specifications

• Chip – CP2102
• Voltage – 3.3V/5V compatible
• Baud Rate – Up to 2 Mbps
• Protection – 500mA fuse (over-current and short-circuit)
• OS Support – Windows, Linux, macOS
• Dimensions – 31 × 18mm

Mode Selection

• USB to TTL – DIP1 (USB) On, DIP2 (485) Off, S1 Down
• USB to 232 – DIP1 (USB) On, DIP2 (485) Off, S1 Up
• USB to 485 – DIP1 (USB) On, DIP2 (485) On, S1 Down
• TTL to 232 – DIP1 (USB) Off, DIP2 (485) Off, S1 Down
• TTL to 485 – DIP1 (USB) Off, DIP2 (485) On, S1 Down
• 232 to 485 – DIP1 (USB) Off, DIP2 (485) On, S1 Down

Ideal For

• Debugging and programming microcontrollers via serial
• Industrial RS-485 and RS-232 device communication
• Converting between serial protocols without multiple adapters

Package Contents

• 1× 6-in-1 USB to Serial Converter