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do,s JDM enough to programm pic 18f4550 or we need some thing else??????????????????????????????????????????????????????????????????????????????????????????????????
Assuming you are going to program more than that one 4550 in your lifetime ? - then save yourself hours of hassle and money ordering parts and building ciruits and trying various software to make it all work, plus all the headache pills to calm you down when it doesn't work, unless you are one of very lucky few who succeed in getting them to work.
Just buy a ready made, guaranteed , Microchip Pickit2 programmer / debbugger / logic analyzer - you will not regret it - promise !
( if you intend to use all the latest chips then the Pk3 is the way to go, but the Pk2 still the best bet )
well...i`m was building JDM type programmer to program my 2550 and 4550, but never success. it frustating me.
and then i built Tait style programmer (parralel port) and it works beautifully with my 877A, 2550 and 4550.
but as wp100 said, better to own pickit 2/3. save yourself from a really frustating day. )
i can understode that but in my home there is no way to buy one like kit2 or 3....and in these time i just want to build jdm for pic 18f4550 and it is important now and just for these pic.....i,m try to build kit2 but i,m could not...i have mny problelm to have a complet undrstode for the articals...so i hope to provide me with any schmetic that not complected like jdm or the tait style programmer and tell me what softwear and hardwaer i need.....and thanx
i use it as a ICSP programmer
you need only Vdd, Vss, MCLR, RB6 and RB7 to program a pic
see the pinout of your pic and connect this pins to the pic pins
I use WinPic PIC programmer software
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