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Schematic drawing program

Discussion in 'Electronic Design' started by pimpom, Dec 25, 2009.

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  1. pimpom

    pimpom Guest

    Does anyone know of a free Windows software for drawing circuit
    diagrams with the following features? It does not have to be a
    dedicated prog for schematics and I'm *not* talking about a CAD
    program with schematic capture, simulation and pcb layout. It can
    be a painting program with these features.

    1. Have a symbols library from which symbols can be selected with
    a mouse click and placed anywhere on the work space with another
    click - like brushes in a painting program..

    2. Being bundled with an extensive library of electronic symbols
    would be a bonus, but this is not essential as long as
    user-created symbols can be added easily.

    3. Can save directly in popular image formats like bmp, png,
    jpeg, gif.
  2. kicad open source
  3. Rich Webb

    Rich Webb Guest

    If you don't want to mess with schematic capture as such then give Dia a
    try. It's a FOSS "Visio-like" app that works well for diagramming,
    flowcharts, and such. It originated in the Linux world but there is an
    installer for, and it works pretty well on, Windows. See here for Windows and over at for the main project page.
  4. Jamie

    Jamie Guest

    take a lot at "TinyCad" on the net..
  5. Jamie

    Jamie Guest

    I meant Take look at TinyCad..

    Must of had too much to drink last night :)
  6. 2nd Tiny Cad, <> has potential.

  7. pimpom

    pimpom Guest

    :) Merry Christmas!
    I already have a copy of TinyCAD that I downloaded quite some
    time ago, but never really tried out seriously. I installed it
    just now and had a quick look. The "Export as image file" feature
    seems to be just what I wanted. I also like the default white
    background unlike many CAD programs that use a black one.

    I haven't tried creating a user library of symbols. If that's as
    easy as I hope it will be, then this could be just what I wanted.
  8. pimpom

    pimpom Guest

    I already have KiCad and LTspice, but AFAIK they can't save in
    standard image formats.
  9. pimpom

    pimpom Guest

    Ah, but CorelDraw isn't free.
  10. Rich Webb

    Rich Webb Guest

    Ahh! Thanks for that. I've used xcircuit in the past but had completely
    forgotten about it. Must be getting old(er).

  11. My Gonzo utilities, of course.

    (3) is not even wrong. The ONLY format you should consider for a
    schematic is .pdf.

    Many thanks,

    Don Lancaster voice phone: (928)428-4073
    Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
    rss: email:

    Please visit my GURU's LAIR web site at
  12. Fred Abse

    Fred Abse Guest

    Set up a Postscript printer driver to print to file, print using this from
    LTSpice, then use Ghostscript (free) to convert the resulting Postscript
    file to pretty much any image format you want.
  13. Ian Bell

    Ian Bell Guest

    Yes, and it is absolute crap. It's line drawing is counter intuitive and
    its library severely limited. Like the rest of the program it is
    basically rubbish.


  14. YD

    YD Guest

    Try KiCAD. Schematic capture and PCB with extensive bundled library
    you can add your own to. Dunno about graphic capture.

    - YD.
  15. pimpom

    pimpom Guest

    Thanks. I've just discovered that I already have ExpressPCB, but
    have never used it (I must have downloaded it some time ago).
    I'll try it out.
  16. pimpom

    pimpom Guest

    I beg to differ. It depends on what the schematic is to be used
    for. Bitmap-based diagrams are very well suited for illustration
    on websites and image hosting sites, with links provided in
    forums and NGs.

    I use Circuitmaker 2000 for most of my design work and I have
    access to Protel. But I sometimes want to present circuit
    diagrams as pictures.
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