Re: Serial IR receiver problem

[Erk <mrman_man@xxxxxxx>]

> You can use your soundcard to see the IR signal but you'll need to attenuate
> the signal since you're pulling the output up to DCD which I think is
> 10-12V. For a 5V signal see...
>
>      http://davehouston.net/learn.htm
>
> There's free soundcard oscilloscope software at...
>
>      http://www.zelscope.com/
>
> I would not entirely rule out EMI. You may need both devices using the same
> ground and power to see it.

I modified the circuit and run the zelscope. The results shows very
little or no difference in the signal when the skype thing is attached
and not. Screenshots here: http://www.hjerten.com/erik/IR_signal.gif

I guess that leaves me with trying another IR receiver or USB
controler. I think I'll go with the USB UIRT.