=?iso-8859-1?q?reading_in_serial_communication_sometimes_doesn?= =?iso-8859-1?q?=B4t_work?=

[Joe123]

I=B4m working with the example about serial communication. I connected
my electronic card and sometime I read the data at my seial port ok
and sometime  I get serial error or time out. I need the system to be
stable, what can I do?