I use the Scimarec one HS-15P Data sheet and photo is on my website at http://kitsrus.com/modules.html I use it in my Kit 75. Source code how to drive it is on the software download page http://kitsrus.com/soft.html I can sell you at $US5 cash note sent to me. Airmail postage included. regards, Peter Crowcroft DIY Electronics (HK) Ltd PO Box 88458, Sham Shui Po, Hong Kong Voice: 852-2720 0255 Fax: 852-2725 0610 Email: peter@kitsrus.com Web: http://kitsrus.com ----------------------------------------------------------------------