Cheap, easy PIC USB Programmer based on DIYpack

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Hi,
month ago I found USB Programmer DIYpack
oryginal site: http://kitsrus.com/pic.html
and direct for all_pack: http://kitsrus.com/zip/diypack25.zip

I rebuild a little this project, so that it was simpler to make in household conditions.
In my version, standard PC connection is realized by RS232,
so, now is posiible to use most popular RS232<->USB converter.
Eagle projetc is attached:

maybe it will be usefull 

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