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PCB design with external connections. [message #170939] Wed, 12 July 2017 23:44 Go to next message
Rishab Sharma
Messages: 3
Registered: July 2017
Junior Member
I need to design a PCB with multiple independent components. The connections will be provided externally. How do I make pins/connections in the schematic?

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Re: PCB design with external connections. [message #170940 is a reply to message #170939] Thu, 13 July 2017 07:42 Go to previous message
Rob Pearce
Messages: 484
Registered: September 2012
Senior Member
On 13/07/17 00:44, Rishab Sharma wrote:
> I need to design a PCB with multiple independent components. The connections will be provided externally. How do I make pins/connections in the schematic?
>
There are three options:
1) create a new library for the off-board components, with schematic
symbols showing their off-board placement somehow. One option is to have
gaps between the symbol and the pins. Then associate them with packages
that have the pads you want to connect your wires to.

2) Decide on a connector you're going to use for all off-board
components to hang off. Show this connector on the schematic, with some
annotation text to explain what's connected to it.

3) Just draw the connections using pads, e.g. from testpad.lbr, and
annotate the schematic. This will allow you to put your wires anywhere
you like on the board.


I would probably choose option 1 because, to me, it's by far the
clearest and neatest. Option 3 is flexible but that leads to ugly
assemblies.
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