[amsat-bb] Re: OLPC Serial Port built-in...

Peter Guelzow peter.guelzow at kourou.de
Tue Nov 13 12:42:23 PST 2007

As I wrote in my original post:

There is in fact a serial port for development, which can be used..
more here:   http://wiki.laptop.org/go/Serial_adapters

So no need to bit banging...   

73s Peter

Robert Bruninga wrote:
>>> Does the OLPC have a serial port?
>> No. but it does have 3 x USB... and a sound card.
> But since the sound card has been shown to have a DC input
> capability, it would seem that it could be used as an RS-232
> serial port too.  Just a little bit-banger software...
> The output might not have enough swing to drive other devices,
> but the input should work.  That would be a great capability...
> For backward compatibility with RS-232 devices out there...  A
> good project for someone...

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