if it is a serial transmition , why you dont'n use
a chip like 74vhc943 to manage the output/input
signals from PICs ?

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> From: JOSE ANTONIO CHONG LEAL <antonio@TELNOR.NET>
> To: PICLIST@MITVMA.MIT.EDU
> Subject: serial transmission and receiving.
> Date: Domingo 2 de Noviembre de 1997 12:24 AM
>
> Hi ya all,
>
> im trying to make a little IR control bot with PIC's, it would have 2
> motors each one with FWD and REV. im going to use the 40 KHz IR Modules.
>
> this is my first attempt at a serial transmission project.
>
> since i only have 4 things to make (right motor fwd and rev and left motor
> fwd and rev)
> i can use a nibble of data. if something is to be activated it would
> generate a "1".
>
> im planning to use a continuos loop in the transmitter, so it would send
> the byte over and over again, and the transmitter would catch the byte and
> do whatever it has activated.
>
> but how do i make the receiver recognize the start bit and stop bit????
>
> the transmitter would have either a 71 and the receiver a '84 or vice
> versa, what configuration would be best???
>
> i have an old 16B (not 16B1). an only familiar to micorchip, no parallax
> code.
> any suggestions???tips????............
>
> later, take care.....SALUD!!