Followup to: <9mgtpb$mf4$1@sisko.my.home>
By author: "Tony Hoyle" <tmh@nothing-on.tv>
In newsgroup: linux.dev.kernel
>
> I'm looking to attach a serial device to my box that has only TTL level
> I/O. Since I'm more of a software than a hardware person making a
> circuit board up with a max232 in is a bit risky... I want to connect
> the I/O to the parallel port.
>
Most RS232 boards accept TTL level input, so your only problem is
output. You may want to simply construct a level converter, such as a
voltage divider or zener diode on your input.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Aug 31 2001 - 21:00:31 EST