Xiaofan Chen writes: > 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. Exactly that's what I'm going to do: this simple programmer shall I use only as a jumpstart programmer for 'Open Programmer v0.6.x' that can one find here: http://openprog.altervista.org/OP_eng.html Thanks! -- Regards, Paul Chany http://csanyi-pal.info -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist