On Tue, Jul 21, 2009 at 9:04 PM, Csanyi Pal wrote: > I want to build this PIC Programmer so I can programming the PIC > F184550. > > The image of the schematic is here: > http://csanyi-pal.info/album/index.php/album/section/2 > > or here on the original website: > http://www.ise.pw.edu.pl/~wzab/opiclab/ > > My question is: why isn't connected the pin D(5) 7 nowhere? Because it is not necessary. > So if I build this simple programmer then where to connect this pin? Just leave it open. > Any advices will be appreciated! An advice is not to use such simple programmer since you will run into problems in the future. But if you are only to use this as a jumpstart programmer (eg: use this to program a bootloader into the PIC18F4550), then it is probably a good choice. -- Xiaofan http://mcuee.blogspot.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist