ART2003 18F progrmammer---super eazy!

pic18f2550 art2003

This is a working PIC 18F programmer...super easy, what you need is only one resistor and one capacitor!

But beware that the programmer need extra capacitor to RB7 and RB6 for longer wire. For my case i use 1nF cap.

Happy using!

art2003 pic18f2550

Can somebody please help me here regarding this programmer,

Can I use an external +5V power supply from a 9V source dropped to +5V with L7805?
I used it but won't worked. There may me mistake in wiring. But it is definitely a shame to miswire such a simple schematic.
Before wiring that I used two 1.5V AA sized battery. And I put the 3V volt to the supply pins of PIC18F2550. It shouldn't worked as the PIC's minimum voltage rating is 4.5V.

Is there any chance of destruction of the PIC18F2550 through this operation?

I have only two PIC18F2550. Ohooo!!If I have destroyed it???
I'm building a ART2003 programmer on vero/perfboard. As I built it on my breadboard which is old and got some track breaking/rusting etc.
I'll test it tuesday.