hello sayzer

actually I know this protocolle befor the problem how can I emplement it and make an "A"
appears on the notepad or microsoftword using pic 16f877A

I used shiftout ...., ..... , 5 [% 010100110/11]

but it not working how can I control the clock frequency I want it between 10 - 16.7 KHz !

please give me some help.