>Anything out there with 3 hardware UARTS and costs about nothing ?(I'm
being
>lazy)

>Could just about do this with 8 i/o lines (2 x TX, 3 x RX, 2 x IIC = 7)
>Something else will crop up needing at least one more.

>Modest EEROM on chip would be nice but not essential.

Use a maxim i2c UART chip on a low end PIC? using I2C would also allow IBC
EEPROM if needed.

You do not say what sort of card reader. If it is a swipe card then it could
beep for retry if something else is happening that fouls up the read.

--
http://www.piclist.com hint: To leave the PICList
mailto:piclist-unsubscribe-request@mitvma.mit.edu