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Schematic

idontunderstand
idontunderstand over 6 years ago

im 71 years old and am experimenting with electronics. However as much as I try and study I am getting bogged down with schematics. I’m ok with simple circuits but as they grow I lose all direction. Can someone please colour code a large schematic so I can see where positive and negative are in conjunction with the components. I realise for your community this is obvious but for me quite confusing. I have watched countless videos on schematics and am being told you can build circuits just by following a schematic. However not for me.

many thanks

ROGER

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Top Replies

  • genebren
    genebren over 6 years ago +5
    Roger, The key to understanding electronics is to study the basic rules or laws to which all electronics must follow. These laws (Ohm's law to start with) help you better understand the flow of electricity…
  • ralphjy
    ralphjy over 6 years ago +5
    Hi Roger, Element14 has an excellent series on basic electronics called the Learning Circuit. Have you looked at that? The Learning Circuit It really helps to understand the basic circuit elements before…
  • shabaz
    shabaz over 6 years ago +4
    Hi Roger, In conjunction with all the other excellent techniques mentioned, familiarity over time will make you recognise portions because they will look like patterns you've seen before. Unless it is…
  • shabaz
    shabaz over 6 years ago in reply to idontunderstand +4
    Is there an example of the type of color-code you mean? I've tried in the past to color-code some wires, but I've only found it usable for very small circuits, such as this one: It can sometimes look fine…
  • ralphjy
    ralphjy over 6 years ago in reply to idontunderstand +4
    Hi Roger, I think part of the problem is understanding precisely what you are asking for. I know that might sound strange. I'm not sure what you mean by "where positive ends and negative starts". I think…
  • luislabmo
    luislabmo over 6 years ago +4
    Hello Roger, I think these links may be very, very useful for you: How to Read a Schematic - Sparkfun Skill Builder: Reading Circuit Diagrams - Make Luis
  • DAB
    DAB over 6 years ago +4
    Hi Roger, I am slightly younger than yourself. A good way to approach complex schematics is to create a block diagram view and then look at each section as it relates to the next block. This approach gives…
  • makerkaren
    makerkaren over 6 years ago +4
    Not sure if this will help. This is the circuit diagram from the TLC episode that just came out where I made a mask with a spinning pinwheel on it. It's a small motor controller that uses a pressure sensitive…
  • rachaelp
    rachaelp over 6 years ago +3
    Hi Roger, When you first start with electronics things which some people think are trivially obvious are not as a newbie, don't feel disheartened by this, it'll get easier with time, the key thing is to…
  • genebren
    genebren over 6 years ago in reply to idontunderstand +3
    Hi Roger, I really do understand your frustration, but schematics can represent circuits that are very dynamic. What might be positive at one instance may become negative in another. Then, there are relative…
Parents
  • rachaelp
    rachaelp over 6 years ago

    Hi Roger,

     

    When you first start with electronics things which some people think are trivially obvious are not as a newbie, don't feel disheartened by this, it'll get easier with time, the key thing is to keep at it and, as you have done here, ask for help! Do you have an example of a schematic which you are struggling to understand? If you are looking at something really complex, maybe take a step back and look at some more straightforward designs first, then when you are comfortable with those, move on to the more complex.

     

    The good news is, you're in the right place to find people to help you learn, element14 is full of knowledgeable people who are willing to help people learn!

     

    Best Regards,

     

    Rachael

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  • idontunderstand
    idontunderstand over 6 years ago in reply to rachaelp

    Rachael

    I don’t have a specific schematic as I get lost with anything but the most basic circuits. I can build simple circuits and very much enjoy this, however anything more than lighting a LED I get very confused where positive ends and negative takes over when all the lines are joined and the same colour. I was thinking that if the schematic was colour coded it might help me understand when I am not understanding it.

    Many thanks

     

    Roger

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  • idontunderstand
    idontunderstand over 6 years ago in reply to rachaelp

    Rachael

    I don’t have a specific schematic as I get lost with anything but the most basic circuits. I can build simple circuits and very much enjoy this, however anything more than lighting a LED I get very confused where positive ends and negative takes over when all the lines are joined and the same colour. I was thinking that if the schematic was colour coded it might help me understand when I am not understanding it.

    Many thanks

     

    Roger

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