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How to make easyEDA know pins (1 and 2) and (3 and 4) are connected inside?
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mattbott 7 years ago
I have 4 pin switches where pins 1 and 2 are connected internally, as well as pins 3 and 4. How do I make this in easyEDA?
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andyfierman 7 years ago
I assume that you mean how do you make a **PCB footprint** for this device? Think of it as, in reality, this switch only has 2 terminals. It just has 2 solder fixing points per terminal. So create a schematic symbol that has two terminals. Set the pin *names* and the pin *numbers* of them to `A` and `B` or `1` and `2`. Then create a PCB footprint that has 4 pins but with pins that are connected together given the same name (or number) as the corresponding pins on the schematic symbol. So if you name and number the pins on the schematic symbol `1` and `2`, then on the PCB footprint there will be two pins labelled as `1` and two pins labelled as `2`. For an example of this, have a look at the 3 pin **PowerDI5_HS** package for the (2 pin) **SBR10U200P5_DI** diode schematic symbol (Search in `More Libraries...). This has two pins both named `A` and in a PCB they are both automatically connected together.
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mattbott 7 years ago
This is exactly what I needed. My problem was trying to have 4 terminals on the schematic and make them "connected." Having 2 terminals on the schematic makes a lot of sense. Thank you!
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