>As a more high-tech solution, a simply DC motor could be >used to open/close the door, what will automate the >cooling process, and make it nice. Next you will be using an old CD-ROM drive system to push the board out the door when cooled, and a voice chip to announce "Your board is ready Sir" :)))) -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads