>
> Thanks for your reply,
> But unfortunately I don't have RS232 dongle and I couldn't find it
> so I have to order it wait for shipping.
> I have to find another way to do this. I have only USB ports and a
> USBtoSerial Converter (http://www.serialadapter.com/P505155344.jpg).
> Can I use a RS232toParallel Converter??
> Best Regards;
> Orkun ÇANGA
There is not much chance you can get parallel programming to work
without a REAL parallel port.
Personally, I wouldn't go this way but here is a transistor based
level shifter that requires one NPN and one PNP transistor. For the
product, the transistors are in a common package.
http://www.sparkfun.com/commerce/product_info.php?products_id=449
You can see how the Basic Stamp does it here:
http://www.parallax.com/dl/docs/prod/schem/BS2px24SchematicRevA.pdf
The unmarked resistors are 10k and they use the equivalent of a 2N3904
and 2N3906 which you can get at Radio Shack (probably generic equivalent).
I wouldn't do it this way because I would have concerns for damaging
the OOPic.
Richard
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