i'm not an expert, but i dont think any position critical motion control
being done over wireless would be a good idea, especially if it was a cheap
wireless solution.  I would think that it would be susceptible to noise ad
interference, which could cause parts of the machine being somewhere they
aren't supposed to be.

Is there any reason you cant just run 4 wires there?  or  8 if you want to
convert the parallel
 port to differential logic(3 signals, their suppliment signals, ground and
+supply for the differential to open ended logic converter circuit.  I would
trust copper more than RF.  If i did go RF i would avoid anything higher
than 900 mhz due to penetration / signal reflection issues. also plenty of
power to make sure nothing around overpowers your transmitted signal.

good luck in your build
Jim


On Wed, Nov 26, 2008 at 3:37 PM, Olusegun A. <[EMAIL PROTECTED]> wrote:

> Good day all,
> Please I would be glad if someone could help me out with a simple RF DATA
> LINK TRANSMITTER AND RECEIVER for Parallel port. I intend to extend my
> paralle port by wireless means. I got one but I could not get the ICs here
> in Nigeria, Even if the circuit will just transmit only 3 pins of the
> Paralel port and ground. Thank you all
>
> Olusegun Abode
> +234 8037045535
> Email:[EMAIL PROTECTED] <[EMAIL PROTECTED]>
>
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