Bill Kuncicky wrote: > The socket on the board is a 28-pin DIP socket, by the way. As you van see on the website of basic stamp, it can't be the basic stamp modules because they are only available in SIP. When you look at the interpreter chips, you can see the basic stamp 1 doesn't have 28-pin DIP socket, so it must be an basic stamp 2, leaves only these 3 options: http://www.parallax.com/detail.asp?product_id=PBASIC2E/P http://www.parallax.com/detail.asp?product_id=PBASIC2C/P http://www.parallax.com/detail.asp?product_id=PBASIC2SX/P -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist