* Provide USB to serial Port , easy to use PC as terminal to access Pi

* Provide Arduino-Pro-Mini access pin easy upload program to Arduino

* Provide Pi pin1 to pin10 prototype area for easy modify use.

* Provide TXD, RXD LED for easy check status.

* Use FTDI FT232RL chip, support most OS

* Support OS information   FTDI Link

Plug-in Pi Model A/B

     Plug-in Pi 3B+

Plug-in Pi ZeroW

 easy upload program to Arduino-Pro-Mini

Example: Windows XP

   in Windows XP use putty open a serial port

   in Windows XP you can use Putty as Terminal in computer

    to access your Raspberry Pi 

Example : Windows 7

Example: Windows 10

 in Windows10 use Putty as Terminal access Raspberry Pi