[Arduino] FTP Server for using WIZ550 ioShield-A on Arduino

This project describes that how to use FTP server using the WIZ550 ioShield. The FTP is used to transfer the files between the computers on the network.
By DongEun Koak
Hardware Components
Arduino mega
X 1
WIZ550 ioShield-
X 1
Software Apps and online services


  • Arduino Due, WIZ550 ioShield-A, Sd card, LAN Cable

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The File Transfer Protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network.

FTP is built on a client-server model architecture and uses separate control and data connections between the client and the server. FTP users may authenticate themselves with a clear-text sign-in protocol, normally in the form of a username and password, but can connect anonymously if the server is configured to allow it. For secure transmission that protects the username and password, and encrypts the content, FTP is often secured with SSL/TLS (FTPS). SSH File Transfer Protocol (SFTP) is sometimes also used instead; it is technologically different.



  1. For using Arduino Due, You must use more 1.5.x version of Arduino IDE




2. Download Arduino Ethernet Driver for using WIZ550io
  1. Download Arduino Ethernet Driver
  2. Copy the ethernet driver to Arduino Directory ( arduino-1.5.7/libraries/ )
    • Change the Ethernet directory to Ethernet_old
    • Copy the download driver to arduino-1.5.7/liibraries/



3. Caution: For using WIZ550io, you have to modify the Arduino-1.5.7/libraries/utility/w5100.h as below


3. Download Arduino FTP Server for using WIZ550io
  1. Download FTP Server Library (It is written by me)
  2. Modify SD library
    1. Change member variable of SDClass to public on arduino-1.5.7/libraries/SD/src/SD/SD.h



3. Open the WIZ550io_FTPServer_UsingSDCard.ino and then upload to Arduino Due Board.


4. Run this application using serial monitor

4. Run FTP Client using app of smartphone

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5. Log Message on Serial Monitor




Source: http://kaizen8501.blogspot.in/2014/09/arduino-ftp-server-for-using-wiz550.html


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