can help me by telling places where I >can found a lot of things (also surplus stores)? Try mail order houses--you can possibly get a catalog from them: Digi-Key Corporation 701 Brooks Avenue South Thief River Falls, MN 56701-0677 USA (800) 344-4539 or JAMECO 1355 Shoreway Road Belmont, CA 94002-4100 (800) 831-4242 Hope this helps. Rgds, Wanda Benson Square [1] Electronics POB 501 Kelseyville, Calif. 95451 USA (707)279-8881 VOICE (707)279-8883 FAX squareone@zapcom (E-MAIL) -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=-=-=-=-=- http://www.zapcom.net/~squareone (Table of Contents for "Easy PIC'n) "Easy PIC'n, A Beginner's Guide to Using PIC16/17 Microcontrollers" by David Benson, published by Square 1 Electronics ISBN 0-9654162-0-8, $29.95 + S/H, $3.00 in the U.S., $5 - $14 for other countries **Watch for the 1997 release of an intermediate book entitled, "PIC'n Up The Pace", and advanced and PIC project books from Square [1]. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=-=-=-=-=