[Thinkpad] OT: Need an accesssory

[Alex Austin]

Phidgets makes external USB devices aimed at experimenters/tinkerers. I'm
sure you could find someone on their forums to help you write the code.

On 4/18/07, Keith Schawel <thinkpad at li.ath.cx> wrote:
>
> A quick google search for "db9 to relay" gave me this:
> http://www.tieline.com/Tieline_04/Prosolutions/RC800.html
>
> Seems to be a relay controller that is operated from a serial port.  They
> also seem to have an SDK for it, but I know you are not wanting to write
> your own code.
>
> Personally, I think this one is neat though:
> http://www.controlbyweb.com/webrelay/index.html
>
> Cheap?  I don't know about that... but cheap is asking a lot when you
> aren't
> doing your own programming.  I have never used either of these products,
> but
> I was bored so I decided to try and help.  I hope I did something.  Good
> luck!
>
> Keith
>
> On 4/18/07, jrace at attglobal.net <jrace at attglobal.net> wrote:
> >
> > I have a requirement to operate a relay at Location 1 upon occurrence
> > of an event at Location 2, both connected to the internet.  Is there
> > some set of hardware accessories which could be connected to a PC
> > (e.g. by USB cable or as PC Card, or to serial port or parallel port)
> > which would accomplish this task?   I can visualize various ways how
> this
> > might be done but lack the skill to write the code. E.g.  a tcp/ip
> message
> > could activate writing to a certain memory address, which would raise
> > a certain parallel port pin high, which could operate the relay.  (Many
> > other implementations possible e.g. a serial string.)
> >
> > I welcome any ideas how to do this but I have a preference for cheap
> > out-of-box solution.  (Multiple different relay operations due to
> > different messages also of interest.)
> >
> > Jeffrey Race
> >
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-- 
- Alex Austin
Circuitsoft Computer Services
(651) 238-9273
www.circuitsoftcs.com

"...and then I visited Wikipedia ...and the next 8 hours are a blur."