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Connecting pads in board design [message #170863] Wed, 28 June 2017 21:58 Go to next message
Nate Weiler
Messages: 7
Registered: June 2017
Junior Member
I'm designing a simple part for my hobby use, and I started making it in the package editor in a library, but I've decided that I don't want to use it in schematics. I want to have a PCB manufacturer make it, so I created a new board design, but how do I connect the pads together? I saw a discussion on here that said holding CTRL will let you connect manual routes to and from pads, but it looks like crap, ie the lines are not aligned to a particular degree. They're crooked. I had a nice-looking design in the package editor for the library, but I can't figure out how to get that into a board design, which was why I was forced to start from scratch a second time.

I'm new to Eagle, trying to make stuff for hobby use, but all the tutorials and videos I watch are overly complicated for what I'm trying to do. This is the design I made in the library package editor: [img]http://i.imgur.com/QCYBflE.png[/img] ( https://www.element14.com/community/external-link.jspa?url=http%3A%2F%2Fi.i mgur.com%2FQCYBflE.png%5B%2Fimg%5D)

And this is the second design I made in the board editor: [img]http://i.imgur.com/KkHtX4H.png[/img] ( https://www.element14.com/community/external-link.jspa?url=http%3A%2F%2Fi.i mgur.com%2FKkHtX4H.png%5B%2Fimg%5D)

I have a hard time making it perfectly straightly aligned doing it manually. The other question I have is are those the right lines to use that PCB manufacturers use to connect the pads? I just don't know if I'm doing it right. Most videos I've found try convert a schematic to a board, but I don't want to due to the simplicity of the board.

Thanks in advance

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Re: Connecting pads in board design [message #170864 is a reply to message #170863] Wed, 28 June 2017 22:13 Go to previous messageGo to next message
rachaelp
Messages: 604
Registered: March 2015
Location: UK
Senior Member
Hello,

You could use the NAME command to name all the pads that are connected pairs to the same net and then you will see air wires showing the intended connections. Then use the ROUTE command to draw the actual wires. Make sure you set the grid to something sensible and ensure you have an appropriate bend style selected when in route mode.

Best Regards,

Rachael

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Re: Connecting pads in board design [message #170867 is a reply to message #170863] Thu, 29 June 2017 05:43 Go to previous messageGo to next message
Lorenz
Messages: 650
Registered: December 2006
Senior Member
s0s wrote:
> [...] I created a new board design, but how do I connect the pads together?

help signal

in short: use the signal command to connect pads with air wires. Then
use the route command.
--

Lorenz
Re: Connecting pads in board design [message #170868 is a reply to message #170867] Thu, 29 June 2017 06:48 Go to previous message
warrenbrayshaw
Messages: 1767
Registered: January 2010
Location: New Zealand
Senior Member
On 29/06/2017 5:43 p.m., Lorenz wrote:
> s0s wrote:
>> [...] I created a new board design, but how do I connect the pads together?
>
> help signal
>
> in short: use the signal command to connect pads with air wires. Then
> use the route command.
>

The OP has been using the via tool to place vias directly to the board
and refers to them as pads.

'Pads' can only be created placed when creating a package using the PAD
tool in the package editor within a library.

In the Board editor, vias look the same as pads and so will serve the
same purpose but the Signal tool will not connect vias. If you give the
vias you want connected, the same name, using the NAME tool, airwires
will be added automatically. An airwire is the same whether arrived at
this way or applied between pads from a package added to the board from
a library and then connected using the SIGNAL tool.

Putting these airwires in place means the routing tool will connect to
the end of the airwires which will be the centre of the pad/via and
hence the traces should be vertical. The OP example images suggest the
routing was ending on a grid point.

HTH
Warren






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