It's a small USB to TTL serial tool, using the PL2303 chip. You can use it to connect some serial device to your PC via USB port.

PL2303 USB To TTL Module

Model: IM120525011

Regular Price: $3.90

Special Price $2.00

Availability: In stock

Quick Overview

It's a small USB to TTL serial tool, using the PL2303 chip. You can use it to connect some serial device to your PC via USB port.