Karl Cunningham wrote:
On 7/11/2008 1:28 PM, Gus Wirth wrote:
How much of the RS-232 stuff do you need? Do you need just Rx/Tx or do
you need the full blown handshake lines also?
I'm playing around with an old Netgear WGT634U home router that runs
Linux <http://www.openwrt.org>, has serial ports, ethernet ports, and
a mini-PCI slot for the radio. You wouldn't need the radio, so maybe
you could pick one up cheap. The serial ports are Rx/Tx only, no
handshaking and are 3.3 Volts. You would also need a tiny RS-232
converter like the one here:
<http://www.compsys1.com/workbench/On_top_of_the_Bench/Max233_Adapter/max233_adapter.html>
Other routers like the Linksys WRT54G will work as well.
I'd be willing to help you with this if you want.
That's a great idea. It would be way cool to just use a small appliance
like that. I don't need any of the handshake lines, just RxD and TxD.
I've used the Maxim RS-232 converters before and am familiar with them.
Somewhere I've got an old Linksys router. I'll dig it out to see if it
runs Linux and see if it has a serial port.
You could also just get a dedicated device. There are little embedded
controllers that can do what you want like something from Netburner
<http://www.netburner.com> or JK Microsystems <http://www.jkmicro.com>
Gus
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