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Anybody know where I can get a collection of electrical symbols clip art

Discussion in 'General Electronics Discussion' started by Robert Hill, Mar 18, 2015.

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  1. Robert Hill

    Robert Hill

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    Mar 5, 2015
    Hi all,

    Just wondering if anyone knows where I might find a set of downloadable clip art/images of all the usual circuit component symbols.

    I've tried using some of the circuit designer software and haven't got very far with them so thought about just using a desktop publisher and some images of symbols but haven't found any so far. Anyone know of any on the web?

    Thanks,
    Bob
     
  2. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Hi Bob
    Is this to draw circuit diagrams with? If so what are you having trouble with?
    Adam
     
  3. Robert Hill

    Robert Hill

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    Mar 5, 2015
    Yes, for drawing diagrammes with to share on the forum. I've tried universal circuit simulator and similar ones but they're a bit complicated for what I need, I need something simple and basic
     
  4. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Tina Ti is what you need. It's free and very easy to use. Download it and give me a shout if you have any issues. http://www.ti.com/tool/tina-ti
    Adam
     
  5. Robert Hill

    Robert Hill

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    Mar 5, 2015
    Thanks will give it a go. Also looking at tiny cad, is that worth giving a go as well?
     
  6. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Never used it. But I would stick to one package for the moment. If you want to do PCBs later on then DIP TRACE is another good package.
    Adam
     
  7. KMoffett

    KMoffett

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    ExperssPCB is a free schematic/PCB program. The schematic program is pretty intuitive and easy the make new symbols or modify existing ones. You can export the schematics to Bitmap or Metafile formats. Note, it's not a simulator.

    http://www.expresspcb.com/

    Ken
     
  8. BobK

    BobK

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    I second ExpressPCB as the easiest package I have seen to learn and use, though the schematics are not particularly pretty.

    Bob
     
  9. KMoffett

    KMoffett

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    Jan 21, 2009
    Bob,

    I disagree. I think the schematics are beautiful! Well, for the price.

    Ken
     
  10. Robert Hill

    Robert Hill

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    Mar 5, 2015
    I've just got the texas instruments one - quite scary having to fill in the info for us exports thing!

    just playing with it now.

    Is there a way to run a visual simulation of circuits in the TI programme? In the sense that if you've got LED's as part of the circuit they'll flash etc. Can't see an option for it at present.
     
  11. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    It should flash on it's own.
    Adam
     
  12. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Ahh I was mistaken. I have the student addition of Tina which does flash the LEDs. To see the output you can connect an Oscilloscope to the circuit using one of the meters to the circuit or use the transient analysis option. Tell me what you want to draw and I can help.
    Adam
     
  13. Robert Hill

    Robert Hill

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    Mar 5, 2015
    This is what i've drawn so far. I've put a copy up on the circuit design section to ask for feedback as well.
    QUIZ SHOW.JPG

    I'll play with it a bit more and come back if i've got questions. Thanks for all your help so far!
     
  14. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Robert you have opened a new post with the same circuit info. Just keep one otherwise it might confuse people. We will answer any questions related to this even questions about the drawing of the circuit. Choose one to carry on with. Any related info from the other can be merged by one of the moderators later.
    Adam
     
  15. Robert Hill

    Robert Hill

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    Mar 5, 2015
    Ok thanks, didn't mean to be untidy. I'll not post anymore in this one as it's achieved my purpose of finding a good program to draw schematics with. I'll post in the other one
     
  16. Arouse1973

    Arouse1973 Adam

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    Ok Robert, no probs.
    Adam
     
  17. Colin Mitchell

    Colin Mitchell

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    You cant put a transistor directly across a battery.
     
  18. Gryd3

    Gryd3

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    Jun 25, 2014
    All of the transistors in that circuit are connected directly between the positive and 0V rail of the battery.

    As Colin mentioned, this is a no-go. As soon as one of those transistors conducts, it will short out the battery.
    Step back, and think about the function you want the the transistors to do. Add a current limiting resistor and you will be much better off ;)

    Pull down resistor is connected between the transistor and the 0V line. You then take the measurement between the transistor and resistor.
    When the transistor is 'off' it behaves like an open circuit and the measurement will be 0V. When the transistor turns 'on' it behaves like a short circuit which results in the full battery voltage being across the resistor. The measurement here will be 'high'.

    Pull up resistor is connected between the transistor and the positive line. You then take the measurement between the transistor and resistor.
    When the transistor is 'off' it behaves like an open circuit and the measurement will be 'high'. When the transistor turns 'on' it behaves like a short circuit which results in the full battery voltage being across the resistor. The measurement here will be 0V.

    The difference is merely which side the resistor will be in relation to the transistor.
    Other than that, if you are using a transistor to 'power' something that's a bit of a different story, but the resistor would essentially be replaced by what you want to power.
     
  19. Arouse1973

    Arouse1973 Adam

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    Dec 18, 2013
    Guys stop posting on this thread. We have already covered this on another thread. Robert opened a very similar post with the same circuit. I noticed this and asked him just to post on the other thread to save confusion.
    Cheers
    Adam
     
    Gryd3 likes this.
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