How to connect pins with a custom-designed ground plane
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supernhtr 1 week ago
[https://easyeda\.com/editor\#id=\|0b799f88e57d47d5a6120e735fa5a29b](https://easyeda.com/editor#id=|0b799f88e57d47d5a6120e735fa5a29b) In this PCB layout, I have an SMA connector and a custom-designed ground plane. The 4 outer pins of the SMA connector should be connected to the ground plane. Although I named the 4 pins and the ground plane with the same name "GND", they don't look like connected in the editor. Could anyone give some advice on this problem? Thanks! ![image.png](//image.easyeda.com/pullimage/1rAI7c0pJoOkpKhrpLOc23j9XpbmMTVJNw2F0qnd.png)
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andyfierman 1 week ago
The problem is that all you have done is change the default name of "Inner4" to "GroundPlane" but you have left it derfined as a Signal layer. That does not automagically turn it into a ground plane. Similarly your layer named "PowerPlane". To define a layer as a plane you must set the **Type** attribute to **Plane**: ![image.png](//image.easyeda.com/pullimage/4syna7Anbyn7pHRoIbtdFNLXLDQrmOrxGyOrgwRM.png) You then have to assign the same net name of that plane to the net that you want it to be connected to using the **Plane Zone Properties**: [https://docs.easyeda.com/en/PCB/Layer-Manager/index.html](https://docs.easyeda.com/en/PCB/Layer-Manager/index.html)
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supernhtr 1 week ago
@andyfierman  Thank you very much for your reply! I defined the type of "PowerPlane" and "GroundPlane" as "Signal" because I need custom-designed planes. For example, in the "PowerPlane" layer, I divided the whole plane into 2 unconnected sub-planes, one of them provides 5V voltage and the other provides 10.5~11V (as shown in Fig. 1). I don't know how I can achieve this if the type of layer is "Plane". ![20190411123212.png](//image.easyeda.com/pullimage/x5FuU7OWizTVWFLGbZEHPIIiMOm1KseITu6isePx.png)                                                                                             Fig. 1 Also, I created 4 holes on the corners of this PCB so that I can fix the PCB with screws. I am not sure but I think different layers might be electrically connected through the metal screws, that why I created some cut-out regions on each layer (Fig. 2). Are they unnecessary? ![image.png](//image.easyeda.com/pullimage/PFj13tP3e824mdtNsqcfntQw0f4aZiZPnJcsI5bL.png)                                    Fig. 2 Thanks!
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andyfierman 1 week ago
You can split a plane in a layer defined as a plane as described in: [https://docs.easyeda.com/en/PCB/Layer-Manager/index.html](https://docs.easyeda.com/en/PCB/Layer-Manager/index.html) If that is not sufficient for your needs, you can define the layer as a Signal layer and then simply use the Copper Area tool. Please see the Tutorial for more information.
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supernhtr 1 week ago
@andyfierman Thanks for your reply! It solved my problem perfectly!
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andyfierman 1 week ago
For more help on EasyEDA: [https://easyeda\.com/andyfierman/Welcome\_to\_EasyEDA\-31e1288f882e49e582699b8eb7fe9b1f](https://easyeda.com/andyfierman/Welcome_to_EasyEDA-31e1288f882e49e582699b8eb7fe9b1f)
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