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GND plain issue
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roeyt 2 years ago
Hello, I have 2 pads that are assigned to GND net but show as unconnected. The file has a grid of 80 footprints. They are all exactly the same. I don't know why  2 would miss a connection. Here is the file: [https://easyeda\.com/editor\#id=\|6e38a0014fc545f6a509f5a9a6580b70\|7f8a857a783c43748ceeb6e97a84f903\|e0cb3d5973b349e0ba188ecf7c4d6fa2\|b6b5d0323dfe48bc8630b1bf5b3db219\|051f2c07499b464d9a808febddf94909\|462091c594974b089034875710d51fcd\|dff64a8e72f14fe2bf827421a18a896e\|bb6670a0c160407e9d62975cac9289f9\|da9cbec4edd34c458bcfa83f128d3dd4\|517aee64dea64e2995c4c1a00107d672\|10b14c3b789941d29fab64ad938cc91c\|4b60c83df07e433fb609175d07e5df6d\|ac871185d2e9433e80385d145ec6cb4d\|24603010a32b420993c25544c12f0751\|7dea2937c4d74e869dc40928f2de4e26\|9245721e15fc425e9f69b1dab0c2447e\|ff72e4648ee3482bbe487af14c5f44bb\|2955886464824a859a70dd1d552bd01b\|6a21c06382714aeb925ca44fd0cf7e2f\|e47914053cf6433c8481a29ecaa3137a\|800c82c845c947a79e82ef9a473f958f\|0c19580c945d4668ab111ff487d5f434\|69e3ca310af7445b99b93282bf890ace](https://easyeda.com/editor#id=%7C6e38a0014fc545f6a509f5a9a6580b70%7C7f8a857a783c43748ceeb6e97a84f903%7Ce0cb3d5973b349e0ba188ecf7c4d6fa2%7Cb6b5d0323dfe48bc8630b1bf5b3db219%7C051f2c07499b464d9a808febddf94909%7C462091c594974b089034875710d51fcd%7Cdff64a8e72f14fe2bf827421a18a896e%7Cbb6670a0c160407e9d62975cac9289f9%7Cda9cbec4edd34c458bcfa83f128d3dd4%7C517aee64dea64e2995c4c1a00107d672%7C10b14c3b789941d29fab64ad938cc91c%7C4b60c83df07e433fb609175d07e5df6d%7Cac871185d2e9433e80385d145ec6cb4d%7C24603010a32b420993c25544c12f0751%7C7dea2937c4d74e869dc40928f2de4e26%7C9245721e15fc425e9f69b1dab0c2447e%7Cff72e4648ee3482bbe487af14c5f44bb%7C2955886464824a859a70dd1d552bd01b%7C6a21c06382714aeb925ca44fd0cf7e2f%7Ce47914053cf6433c8481a29ecaa3137a%7C800c82c845c947a79e82ef9a473f958f%7C0c19580c945d4668ab111ff487d5f434%7C69e3ca310af7445b99b93282bf890ace)<br> <br> <br> Thanks for your help ![Group 958.jpg](//image.easyeda.com/pullimage/fjW1h9hCIONZmGBwEVFdtLNRIYVnKrtz61w2rAX9.jpeg)![Group 957.jpg](//image.easyeda.com/pullimage/rrVkvQXGn7BOrx9OPMNCMQkpOr9jMMh12czXszuG.jpeg)
Comments
andyfierman 2 years ago
Your link above opens 22 tabs! When posting links to EasyEDA files, please post only the links to the files that you are asking about. Alternatively, post the link to the Project and clearly identify which file(s) that you are asking about. If you look closely at the your GND plane areas you will see that although many small areas are connected to one or more pads marked as GND, they are not connected to any other GND plane areas. So although they are connected to GND pads and so are not identified as "Islands", they are small areas of GND that are not connected to the main GND plane and so are identified as incomplete connections. It is possible that some of these isolated areas are connected to the main GND plane by pins on components that connect through the metal work of the component itself such as the shields on USB and RJ45 connectors but it is; 1. hard to know if this is the case on your PCB because the components are not clearly identified and so cannot easily be traced back to their manufacturer datasheets;  2. not good practice to rely on this form of connectivity since such connections may be considerably higher resistance than those made by copper on the PCB.
Reply
UserSupport 2 years ago
The copper has gap because of DRC clearance you can draw the track to connect them
Reply
andyfierman 2 years ago
@roeyt, Please change the Category of this topic to PCB Layout because what you are seeing is not a bug. It is the correct behaviour of the tool. Thanks.
Reply
roeyt 1 year ago
Thank you for the feedback. It was indeed an GND island. Appreciate your support.
Reply
andyfierman 1 year ago
@roeyt, You're welcome.
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