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getting started with uProcesors

Discussion in 'Electronic Basics' started by tempus fugit, May 2, 2007.

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  1. tempus fugit

    tempus fugit Guest

    Hey all;

    I've been noticing a few posts here and there that refer to PICs and other
    uProcessors, and was thinking about experimenting a bit with them. What do
    you need to get started? How do you program the uP? Are the components
    expensive?

    Thanks
     
  2. Jan Nielsen

    Jan Nielsen Guest

    tempus fugit skrev:
    If you do not know C or assembly, you can use a PICAXE.
    It is programmed in basic, using a serial cable and some resistors, so
    inexpensive.
    Its somewhat slow and limited compared to the real thing though.
    http://www.rev-ed.co.uk/picaxe/ All needed parts with a few chips will
    probaly end in 20$

    For the real thing you need pic programmer, and compiler if its not
    included with the chip you choose, but I dont know enough about them to
    give the complete story.


    /Jan
     
  3. Randy Day

    Randy Day Guest


    They're fun, though there's a bit of a learning curve.

    You write a program, compile it to machine code,
    then send the code to the uP via the programmer.
    Apply power to the uP and your code runs.

    The chips can be $2 or less for a good learner model.
    The programming hardware can be $20-30 to build your
    own. A commercial all-in-one hardware/software IDE
    can be $80-300.
    You need:
    - a hardware programmer device (commercial or homebrew)
    it connects to your computer via USB/serial/parport,
    and you plug your micro into it.
    - a code compiler (commercial, shareware or freeware)
    - a micro (of course)

    There are probably hundreds of code editors/compilers
    and IDE's available online. C, Assembly Language and
    Basic are the most popular 'human-readable' languages
    for uP's.

    There are schematics for programmer modules online if
    you want to build it yourself, but you could encounter
    compatibility problems mixing Joe's Ultimate Compiler
    with Steve's Universal Programmer. YMMV.

    Me, I chickened out and went commercial; I got the
    PicKit II from MicroChip. It had the hardware, micro,
    software AND lots of tutorials and sample programs
    (Assembly). Easy to install, hooks up to a USB port on
    my Windows box. I'm sure others will recommend other
    packages for other micros.
     
  4. A good intro can be found:
    http://www.voti.nl/swp/n_index.html
    Sells also PICs, programmers and some more electronics.

    Another site with programmer can be found:
    http://www.oshonsoft.com/picprog.html

    These are only some examples. There's much, much more on the net.

    petrus bitbyter
     
  5. zoot

    zoot Guest

    Aren't there any programmer software /hardware running on Linux?
    Regards
    Zoot
     
  6. Wouter van Ooijens Wisp program(mer) is based on Python, so it would run
    under Linux.

    petrus bitbyter
     
  7. BobG

    BobG Guest

    PICs have a large market share, but go to AVRfreaks.net and read a few
    messages about how great the AVR microcontrollers are and easy to
    program and on and on.
     
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