USB TO TTL PL2303 USB to TTL Serial UART RS232 Adaptor

The PL2303 USB to TTL Serial UART RS232 Adaptor is your smart and convenient accessory for connecting RS-232 serial devices to your USB-equipped Windows host computer. It provides a bridge connection with a standard DB 9-pin male serial port connector on one end and a standard Type-A USB plug connector on the other end.
PL2303 USB to TTL Serial UART RS232 Adaptor
Fully enclosed professional finish.
Built-in PL2303TA USB to Serial Controller
Designed to be used for USB to TTL electronic projects
TTL interface output, easy to connect to your MCU
Dual 3.3V and 5V Power output (by Changing the red wire termination)
Can independently power the circuit with 5V or 3.3V
Compact design
Operation:
Red – power. This pin provides up to 500mA current. YOU MUST NOT use other power supplies if you choose to power the target device with this Adaptor.
Black – ground (always needed, regardless of the Adaptor is powering the target device or not)
White RX (3.3V, which is compatible with 5V logic)
Green TX (3.3V, which is compatible with 5V logic)
3.3V and 5V Selection:
Open the plastic case (twist the USB connector and then evenly pull apart the plastic case) and change the red wire termination from the pad marked 5V or 3V3.

Supports the following Windows OS
Windows 98SE
Windows ME
Windows 2000 SP4
Windows XP SP2 and above (32 &64 bit)
Windows Server 2003 (32 &64 bit)
Windows Server 2008 / 2008 R2 (32 &64 bit)
Windows Vista (32 &64 bit)
Windows 7 (32 &64 bit)
NOTE: For Windows 7, please use RC build 7100 or above.
Windows 8, 8.1, &10
Development Resources: demo codes, schematics, datasheets, etc
Reference for Arduino and reference to all matters

Windows Driver Installer Setup Program

Ardunio from Wikipedia