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  • Replies 19 replies
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Related

Help?

autodeskguest
autodeskguest over 9 years ago

Hi, I am new to this program. I have tried everything and can't figure out

why nothing I do is working.

 

I need a simple adapter board. I watched videos and everything. I am trying

to simply make a small board that has 42 holes for a m27c160 eprom to fit a

36 hole board.

 

I have went here http://schematicpal.com/ and downloaded the eprom

M27C801-100B1 it shows two boxes the left red box and the right green

circles in the black box. I can only place the red box in the schematic

when I need the other one to just place the holes for me. When I click on

circles they are not circles but pads, I need holes!

 

Plus the eprom clearly has 42 legs yet the only Library file you can place

in is missing majority of pins. This blows my mind it's not even accurate?

You go to the board view and magically it shows the entire chip but

completely useless as it will not let you run traces, that has to be done

in the schematic where they don't exist!!!

 

I have tried drawing circles "holes" manually but when I switch to board

view it does not bring them in? I tried grouping the 42 circles together as

that is what I need for the 27c160 eprom but it does nothing.

 

I can't believe how difficult this is. I want to order these boards but I

need a gerber file. I could whip this thing out in paint in like 10

minutes, here I have wasted countless hours trying to decipher this program

that will not do anything I want it to.

 

I think learning a new language would be easier them deciphering this

program.

--

Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

 

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Top Replies

  • autodeskguest
    autodeskguest over 9 years ago in reply to autodeskguest +1
    On 27/09/15 03:49, Greg wrote: As far as other programs, maybe but I'm pretty burnt out and annoyed right now that I don't think I want to waste any more time learning another program that may not be correct…
  • shabaz
    shabaz over 9 years ago

    Are you sure you're using the right software for your particular desired workflow?

    It doesn't sound like it.

    EAGLE is all about schematics and then building a circuit board from there.

    Schematics parts often don't use the same number of pins as a physical part.

    If you just want to lay 'holes', then there may be other software out there that

    you could be using - EAGLE would be extreme overkill for that -

    although it could do it, you'd have to plough through the user documentation -

    it's not intended to a MS Paint replacement and so the workflow isn't as simple

    with EAGLE.

    By the way, your part number M27C801-100B1 really is a 32-pin device,

    not a 42-pin device.

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  • autodeskguest
    autodeskguest over 9 years ago in reply to shabaz

    I know the M27C801-100B1 is a 32 dip, however it is the chip I currently

    use right now for my boards. I need to move up to the bigger chip which is

    why I need the adapter board made. I only chose that from the library as it

    was all there was and I knew the hole sizes and spacing was what I needed.

     

    I was hoping I could just lay that chip out twice or something and over lap

    the pins or just add the extra holes needed. I'm just going to call it a

    day and pay somebody to do this. I really wanted to do it myself but I

    can't waste all this time into this program.

     

    As far as other programs, maybe but I'm pretty burnt out and annoyed right

    now that I don't think I want to waste any more time learning another

    program that may not be correct for what I need done.

     

    Thanks for the reply. It's nice to get some input from someone.

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • autodeskguest
    autodeskguest over 9 years ago in reply to autodeskguest

    Actually I may be onto something. I imported a header pin file and I am

    using that for the spacing. I just added that component to a schematic and

    switched to board.

     

    I am now placing holes in the exact layout of the header pins and using my

    board and chips I have on hand my chips pins are exactly 7 holes apart so 7

    header pin spaces. I now figured out the group thing. Select a group and

    right clicking I can move all the holes to the correct spots.

     

    I'm going to measure it all and place my holes accordingly and then run

    wires between the holes, I hope that counts as traces lol.

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • shabaz
    shabaz over 9 years ago in reply to autodeskguest

    This is like using the unsharpened edge of the knife to cut pizza. It may work or may not, but it is not ideal - it is a hack.

    Expect to invest several days of time with the EAGLE PDF documentation (and walking through online tutorials or videos -

    there are thousands of them, EAGLE is one of the more popular packages) if you want to do it the right method which involves

    these topics: parts creation (symbol, package, device) and library management and manual routing.

    Your method of searching for the nearest part and just using it as-is on the schematic and overlaying holes for example

    is not popular because it is not scalable (once a board has more than a handful of parts on it) and error-prone for large

    boards (it will violate error rules and design rules unless you manually clear them).

    It might work for your 1-component board, but it is not something EAGLE was designed to intentionally handle without

    flagging errors.

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  • autodeskguest
    autodeskguest over 9 years ago in reply to shabaz

    Well I am at a loss. Besides finding someone to do this for me doing it

    myself is the only option. Since I am not pro at this stuff I can only do

    what I can do. I need this board. I have started on it and I think I can

    make it work. Yes "make it work" is all I am shooing for at this point.

     

    I do not know of any other program to use that would be any simpler or

    different. I still need to d a bit more research about connecting traces

    through the backside of the board as there is not enough room on one side

    to run all the traces.

     

    This is my progress; hack job or not, one way or another I need an adapter

    board so I can make money. I increased the hole sizes and everything seems

    to scale according to the board size and all. Not all the holes need to be

    connected but more do and most will have to route to backside of board.

     

    http://s14.photobucket.com/user/icemanxp300/media/ssssssss_zpsnczob0na.jpg.html

     

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • shabaz
    shabaz over 9 years ago in reply to autodeskguest

    Well, looks like you're kind-of getting there.

    Consider using SIL part MA07-1 (it is in library con-lstb), you could just search for that in the add component dialog, since it is 7 SIL pins then three of them will be 21 pins for one side of your component, and add another three for 42 pins total.

    Do all that in the schematic view, not the board view, and then use the 'Net' icon, _not_ the 'Wire' icon in the toolbar, to draw the lines connecting it to wherever you want. You can flip to the board view at any time, and see the 'airwaves'.

    Once you're done, then in the board view, you can convert the airwaves into routed tracks manually, by clicking on the 'Route Manually" icon in the toolbar. You can flip between top and bottom layer any time with that tool and it will insert a plated through hole via automatically.

     

    That is a quick description, you'll really need to spend a day or two with tutorials/videos to understand it better, there is no quick solution.

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  • autodeskguest
    autodeskguest over 9 years ago in reply to autodeskguest

    On 27/09/15 03:49, Greg wrote:

    As far as other programs, maybe but I'm pretty burnt out and annoyed right

    now that I don't think I want to waste any more time learning another

    program that may not be correct for what I need done.

     

    It seems to me you've not made any effort to learn this one, nor to

    learn the basic principles of the task this one is designed for. Now you

    are fully at liberty to not want to put the effort in, but if you do

    take that tack then you have a moral duty to accept the blame yourself

    and NOT BLAME THE TOOL. It's a perfectly good tool, you just don't want

    to use it right. Like the blunt edge of the pizza knife, or the

    screwdriver as a hammer.

     

    The work flow in electronics design IS ALWAYS to start with a schematic,

    select components with appropriate packages, create library parts as

    required, and only then start to worry about layout. THIS DOES STILL

    APPLY in the trivial case you have, regardless of whether you think "oh

    it's just..." - because even that statement is a description of the

    schematic you should start by drawing. Or rather, the statement is a

    vague, hand-wavy marketing overview of the requirement. You really need

    to formalise that requirement by drawing a schematic. Only then can you

    consider how to implement it on a PCB.

     

    If you give up on your preconception that "it's too trivial" and admit

    that for a proper job you need to be precise in your requirements, then

    you'll find that Eagle does help a lot. Sure, it's a non-trivial

    learning curve, but then all such tools are.

     

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  • autodeskguest
    autodeskguest over 9 years ago in reply to shabaz

    I had to redo that and I did it wrong LOL. It's actually getting funny now.

    I made it so my chip would sit on top of adapter board but that doesn''t

    work because of how I have to solder the header pins. Now I have to redo it

    all.

     

    I may try your advice this time as I ran wires and placed vias manually and

    just toggled between top and bottom when I ran the wires. This is def. a

    learning experience lol. I will get this done tomorrow shouldn't take me

    too long now that I have done a few times.

     

    Will it not work if I do it all in board view or is it just easier to do it

    in schematic? The problem was I initially placed 6 of those headers but it

    did not distinguish them at all when I went to board view. I would have to

    rename or something so I knew which was what.

     

    I can try doing it in schematic view as I have a better idea of what I am

    doing now. we'll see.

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • autodeskguest
    autodeskguest over 9 years ago in reply to autodeskguest

    Rob Pearce wrote on Sun, 27 September 2015 03:48

    On 27/09/15 03:49, Greg wrote:

    As far as other programs, maybe but I'm pretty burnt out and

    annoyed right

    now that I don't think I want to waste any more time learning

    another

    program that may not be correct for what I need done.

     

    It seems to me you've not made any effort to learn this one, nor to

    learn the basic principles of the task this one is designed for. Now

    you

    are fully at liberty to not want to put the effort in, but if you do

    take that tack then you have a moral duty to accept the blame yourself

    and NOT BLAME THE TOOL. It's a perfectly good tool, you just don't

    want

    to use it right. Like the blunt edge of the pizza knife, or the

    screwdriver as a hammer.

     

     

    Dude burnt out because I have spent countless hours trying to learn this

    program w/zero success. Don't say I did not put forth any effort. If

    creating a library part was simple I would have done that. I may be able to

    now as I know more about the program. My main confusion in beginning was

    ignorantly selecting circle instead of hole lol.

     

    I have never used a program like this before so yeah it is kicking my ... I

    imagine most people have some kind of assistance such as a teacher in

    school helping them. I'm on my pc watching videos and reading web pages

    trying to understand this thing.

     

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • autodeskguest
    autodeskguest over 9 years ago in reply to autodeskguest

    This is a waste of my time. I don't think I even did it right last night. I

    need pads around the circles. There is no option to add a pad. This is just

    unreal.

     

    I added (6) 7 pin headers and 6(6) 6 pin header and those have pads, except

    when you draw a wire from them on the schematic view the wires don't show

    in the board layout.

     

    I seriously feel like an idiot. I am way better off waiting for someone to

    respond and do this for me.

     

    You say this program is easy, well it does not seem easy to me. I can't

    even get a trace ran.

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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