[Arm-netbook] rs232 level shifters

[luke.leighton]

On Tue, Nov 19, 2013 at 12:50 PM, mike.valk at gmail.com
<mike.valk at gmail.com> wrote:
> 2013/11/16 luke.leighton <luke.leighton at gmail.com>
>
>> On Sat, Nov 16, 2013 at 8:22 PM, Henrik Nordström
>> <henrik at henriknordstrom.net> wrote:
>> > lör 2013-11-16 klockan 13:23 +0000 skrev luke.leighton:
>> >> https://www.sparkfun.com/tutorials/215
>> >>
>> >> in the end i went with this for the router, using an IMD2A for the two
>> >> transistors.
>> >
>> > Personally I haven't used RS232 in ages, only different "TTL" serial
>> > variants of 5V or 3.3V.
>>
>>  yehh i have to be reaasonably compatible with RS232, as this is
>> actually going to have a 9-pin header on it.  although the only thing
>> it will be connected to in most cases is one of those... yup, USB
>> serial converters.
>
>
> Why don't we include a USB to TTL-Serial chip on the card and/or carrier.

 USB-to-TTL.... ah, because that would take out one of the 4 USB
ports.  in this "product" there's only 1 4-port hub.

l.