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PIC programmer

Discussion in 'Electronic Design' started by Fernando, Mar 12, 2005.

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  1. Fernando

    Fernando Guest

    I need help to acquire a programmer of PICs that works perfectly.
    I have Warp-13 NewFound Electronic and another of the manufacturer Olimex,
    neither one assist my demand. I am wanting to program 16F628, 16F874 and
    I would like to know where I can buy a programmer to be reliable, because up
    to now I spent money without having a satisfactory result, only a mistake.

    Fernando Carvalho

    Fernando Carvalho
  2. Chris

    Chris Guest

    Hi, Fernando. As to your Olimex programmer (you don't mention which
    one) you might want to try the US user group for the programmers:

    Browse thru the old posts, and you might find your problem solved.
    Also look at the tutorials and the FAQs on that site.

    I'll bet you've already spent all the money you need to program PICs.
    But without any specific information, I'd just suggest that you first
    look to your cables. The contacts do wear out. Borrow a new one and
    try it. Also try to use a test bed computer with a minimal system and
    no other concurrent programs. I've seen "development beds" which have
    so many programs running, they hang themselves up whenever anyone
    presses a key or clicks the mouse. It's best to reformat and reload
    from scratch. Make sure the BIOS settings for the PC ports are
    correct. You don't need the fastest computer, but you sure need the
    most reliable. Look also at the port pins on the PC. If some are
    wobbly, that might cause problems.

    Good luck
  3. Luhan Monat

    Luhan Monat Guest

    Jameco Electronics has one for about $60 American. I have not tried it,
    but have found that they are very good about products they have sold me
    over the last 25 years or so.
  4. Tim Shoppa

    Tim Shoppa Guest

    I need help to acquire a programmer of PICs that works perfectly.
    OK, a few questions:

    1. ICSP? If so, LVSP or HVSP? In any event, anything else hanging on
    MCLR, clock, or data programming lines?

    2. Vcc = 5V or something else?

    #2 is very important - officially a programmer is supposed to verify at
    min and max operating Vcc. Few (no?) hobby programmers verify at other
    than 5V.

    #1 is moderately important for ICSP. Simple parallel ports drivers or
    even most buffers won't have enough drive current if there's other
    loads on the pins.

  5. Brian

    Brian Guest

    Hi Fernando,

    I'm using Picstart Plus (that I got from Digikey), and have had very good
    luck with it. It will program the three Pic chips that you mentioned. It
    uses the serial port for communications. I am very happy with it.

  6. I need help to acquire a programmer of PICs that works perfectly.
    I sell some rpogrammers, but if you just want to program those types
    but can not succeed using the programmers you mention IMHO you are
    doing somthing seriously wrong. Get help, from one of the forums,
    maybe can help.

    Wouter van Ooijen

    -- ------------------------------------
    Webshop for PICs and other electronics
    Teacher electronics and informatics
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