Hi: Did you consider ChipKit? http://chipkit.net/ I found out about them because of the home version of LabVIEW . It's my understanding it uses not only Arduino shields, but also Pmods some= of which are based on very sophisticated ICs. http://digilentinc.com/Products/Catalog.cfm?NavPath=3D2,401&Cat=3D9 Mail_Attachment -- Have Fun, Brooke Clarke http://www.PRC68.com http://www.end2partygovernment.com/2012Issues.html http://www.prc68.com/I/DietNutrition.html piclist-request@mit.edu wrote: > [OT] Robots as an educational tool for kids --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .