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Trouble with footprint on a component
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zogster 1 year ago
Hope someone can help with this… (I've completed a few simple projects with EasyEDA/JLCPCB including surface mount assembly, so I have some experience but not much) A component that I want to add to a project, a surface mount encoder, is causing problems when I create or update the PCB: ![image.png](//image.easyeda.com/pullimage/6fkhBonG13IOjUYxjywZjawv5m0WZbr8U3mZv0k6.png) I gather this is usually an issue with pin numbering/names, but when I check the footprint things seem to line up: ![Screenshot 2023-01-31 at 15.51.28.png](//image.easyeda.com/pullimage/NHacd5KH7zj6cSP6OookA5diFHfAM1dPQei8NWRI.png) So what am I missing and how can I fix this?
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MrToM 1 year ago
Hi, All you should need to do is assign the 6 missing pins in 'Component PIN information' (See your last image) 12-17 inc. . Just click the right hand box for each of those in red and change it to any number associated with GND, so 6,7,8,9,10 or 11 for eg. (I used 10) . You should find you can then update the PCB. . Regards MrToM.
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andyfierman 1 year ago
The symbol is rubbish. It does not match the actual device or the footprint assigned to it. There is also a spurious drawn object in it just above and to the left of pin 9: ![image.png](//image.easyeda.com/pullimage/qLOfrGji2S0vrGi7JehG0LkmbqPiT9Mrhc7NITYq.png) May I suggest that you use my modified version of both the symbol and the footprint: ![image.png](//image.easyeda.com/pullimage/RwGQMHS88Ird1myhaww1lwXXO3jz0CgtrjYrRcSX.png) ![image.png](//image.easyeda.com/pullimage/sSy3NzIswad94iWocZnjsB42lr86AuJgcyy851Y8.png) Note that all the pads for soldering the device body to the PCB are numbered and named as GND. This is OK. See: [https://easyeda.com/forum/topic/How-to-avoid-DRC-errors-when-connecting-to-PCB-Footprints-a-k-a-PCB-Libs-90bf944fe3644b21a7d27a9e9d8df8d6](https://easyeda.com/forum/topic/How-to-avoid-DRC-errors-when-connecting-to-PCB-Footprints-a-k-a-PCB-Libs-90bf944fe3644b21a7d27a9e9d8df8d6)<br> <br> And here it is showing the correct pad to pin mapping: ![image.png](//image.easyeda.com/pullimage/75HPTjcVnWmvQm8jCrwcSvRh9sa7hybfWaXtcAtl.png) I have submitted an Error Report so it may get fixed in the library but in the meantime you'll find my part in the **User Contributed** library. :)
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zogster 1 year ago
Thanks fellas, problem solved, and I understand this much better than I did earlier today!
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