Please help me anyone, please? I have been using the serial port (COM1) of my computer. But after a while, the port be opened anymore? What is the problem here? What is the worst case scenario? ____________________________________________________________________ Get free email and a permanent address at http://www.netaddress.com/?N=3D= 1 -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads