It is so frustrating...

I was working on the diagram for hours now. Upon design check, I get dozens of "This item is not connected to anything else" messages. Could someone check my drawing, what I am doing wrong. This is my 5th attempt to use Tinycad. All previous tries failed and I reverted to using Visio. However, my version of Visio is so old that is missing many features. Anyway, I uploaded the file to File>Bug Files>VPtester.dsn
I am running Version 2.80.03 Build #514 on Win XP Professional SP3. Please help.



[Non-text portions of this message have been removed]

Comments

  • One of the tricks I've learned is to use snap to grid.A? That guarantees things are actually connected.A?---
    Wayne Johnson,A?A?A?A?A?A?A?A?A?A?A?A? | There are two kinds of people: Those
    A? A? A? A? A? A? A? A? A? A?A?A?A?A?A?A?A? | who say to God, "Thy will be done,"
    A? A? A? A? A? A? A? A? A? A? A? A? A?A? | and those to whom God says, "All right,
    A? A? A? A? A? A? A?A? A?A?A?A?A?A?A?A?A?A?A? | then, have it your way." --C.S. Lewis


    From: "zojda17@... [tinycad]"
    To: tinycad@...
    Sent: Thursday, January 10, 2019 2:07 AM
    Subject: [tinycad] It is so frustrating...

    A? I was working on the diagram for hours now. Upon design check, I get dozens of "This item is not connected to anything else" messages. Could someone check my drawing, what I am doing wrong. This is my 5th attempt to use Tinycad. All previous tries failed and I reverted to using Visio. However, my version of Visio is so old that is missing many features. Anyway, I uploaded the file to File>Bug Files>VPtester.dsn
    I am running Version 2.80.03 Build #514 on Win XP Professional SP3. Please help.

    [Non-text portions of this message have been removed]

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  • I understand your PAIN!
    tedA?- ---- --------- -------oOo- --------- --------- ----- -
    "RPi - Have you coded one today!?"
    of: http://elecurls.tripod.com/
    Choose: Raspberry Pi

    From: "zojda17@... [tinycad]"
    To: tinycad@...
    Sent: Thursday, January 10, 2019 12:07 AM
    Subject: [tinycad] It is so frustrating...

    A? I was working on the diagram for hours now. Upon design check, I get dozens of "This item is not connected to anything else" messages. Could someone check my drawing, what I am doing wrong. This is my 5th attempt to use Tinycad. All previous tries failed and I reverted to using Visio. However, my version of Visio is so old that is missing many features. Anyway, I uploaded the file to File>Bug Files>VPtester.dsn
    I am running Version 2.80.03 Build #514 on Win XP Professional SP3. Please help.

    [Non-text portions of this message have been removed]

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  • Well, looking at your drawing I see a couple of thing wrong. I assume you were using the Fine Grid setting and had snap to grid on (practically essential as mentioned in a previous post). It seems that most, if not all, of the "not connected to anything else" errors are correct - they are NOT connected to anything else. Simply putting a label on a wire doesn't count as a connection unless that same label appears elsewhere and IS connected there. A wire has to connect somewhere else, even a connector pin, or it will cause this error.

    Then there are other small mistakes. If you look at the signal PWMUG2 and it's connection to pin 19, at the 90 degree bend in the wire you can see that somehow the vertical wire doesn't connect to the horizontal one, so the label PWMUG2 isn't applied to pin 19 and it's connection to the circuit below is lost, so again it's not connected to anything. I don't know how the vertical wire got off the grid but redrawing it and replacing the label fixes the problem.


    On connector STB_2_S, the ground pin is for some reason not connected to the ground symbol. I redrew the symbol and reconnected it to the connector and the error went away. It then said the ground symbol itself wasn't connected to anything else. If you put the label GND onto it, then that goes away because you have the same symbol labeled GND elsewhere.


    So. Be sure you have the snap to grid ON when you place a part or a wire. I always have the Fine grid enabled. You also have to be careful that the library part you're placing was drawn with it's pins on the grid. There are some where the pins don't all line up with the grid. Don't use these or re-draw them correctly.


    All is not lost. your drawing can certainly be salvaged without redoing the whole thing. Attack each error separately until you figure out the cause for the error and then make the change(s) you need to to eliminate it.


    I'm certainly not the most sophisticated TinyCAD user but I've been using it for years and have found it's most important to learn the things NOT to do. Good luck to you.


    Jim


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  • Oops. I just noticed the 2nd sheet of your drawing! I see a bunch of places where horizontal and vertical wires which are supposed to be connected to each other aren't. You can tell because TinyCAD automagically puts a black connection dot whenever two wires are joined and the dots aren't there. Oddly, just selecting a wire and then selecting something else seems to make the dot (and the associated error) disappear. I don't know how the wires got that way but that's the cause of many of the errors on sheet 2.

    I also (just) noticed something else: The resistor symbol you are using, "RE1 - Small Resistor" has one of it's pins off grid. this will cause all kinds of problems. One of the pins is just slightly short of the grid point. I'd recommend you re-draw that resistor with the pin properly placed, then use the "replace symbol" function (right click on any resistor) and then be sure "replace all symbols on sheet" is checked. If it messes up your drawing too much, a CTRL-Z will put it all back.


    Jim


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  • One problem I have found is that connections do not always survive a copy/paste operation.A? Wires don't always connect to pins.
    To tell if connections are intact, grab a component and move it slightly.A? If the wires don't move with it, they aren't connected.A?
    null

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  • Jim, you clarified a lot. I was ready to give up. I've hope again.
    Thanks a lot.

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  • Jim
    I download all the libraries from this group. I guess, I have to check all parts and delete those which are bad and draw my own.
    Chris

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  • Great suggestion! Will do.

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  • Hi guys -



    I checked the library for that resistor part with the off-grid pins, but it
    was fixed many releases ago. Windows XT compatibility unfortunately ended
    for TinyCAD when Microsoft ended it for the rest of the community as we use
    the 2015 and 2017 Visual Studio to develop TinyCAD and it no longer supports
    XP. The version that you are using is quite old - the latest version is
    2.90.00, but may not run properly on Windows XP. The libraries are
    identical, otherwise. If you obtain the libraries from the 2.90.00 or
    higher release (a new release is coming soon), I fixed a number of the
    symbols in it that had off grid pins.



    You should also be aware of our new library site https://www.tinycad.net/.
    It should have the latest version of the symbols as well.



    Don
    Sent: Friday, January 11, 2019 4:19 PM
    To: tinycad@...
    Subject: Re:: Re: [tinycad] It is so frustrating...





    Jim
    I download all the libraries from this group. I guess, I have to check all
    parts and delete those which are bad and draw my own.
    Chris

    [Non-text portions of this message have been removed]





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  • Generally the error messages are correct. However it is not always obvious why.
    General observations are: Always use 'Snap to Grid' and I recommend using 'Normal' grid when placing parts and wiring unless ABSOLUTELY necessary.
    Have all the 'Auto wire settings' selected with 15 pixels.
    This makes TinyCAD much easier.

    Many of your problems are when your wire overshoots the symbol pin and then the overshoot is not connected.
    If a wire connects to another wire at right angles it should show a connection dot. Quite a few of yours do not. Selecting the wire and releasing it cured it for me.
    Your 'HDR_8_1' symbol is not correct. It actually has two parts but the 'B' part is not correct and is not on the schematic anyway.
    U4 has pins which should be connected left open but other pins defined as 'No-connect' are connected. Both will flag an error (correctly) but not always on that part.
    Some of your symbols do have duplicated, invalid or unset references and are flagged correctly.
    You have some net labels which are only on one wire (possibly mis-spelled on another wire). This is flagged as unconnected.
    Some nets are flagged as having 'no output driving it' - sometimes this is OK but should be checked.
    VPTESTER_B.dsn is my version with some of the errors removed.
    Phil



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  • An observation which may help is that when you are wiring to a pin, if your defaults ar set correctly, you should see a circle appear round the pin. This indicates that the wire will connect. Not quite sure when this was introduced but I think it was in your version. If not see if you can run something later - I see it in v2.80.03.
    Phil



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  • I think the wire should connect to the pin automatically as soon as one touches the pin.

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