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Ground Symbol
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machmakemagaz 7 years ago
**Feature Request** Brief title for your desired feature: Please add a real GND-Symbol. The symbol with 3 horizontal lines at the bottom is EARTH, with 3 diagonal lines is GND of a case. GND is just one thicker line: https://de.wikipedia.org/wiki/Masse_(Elektronik)#/media/File:Schaltzeichen_Masse.svg
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andyfierman 7 years ago
Hi Hi Machmakemagaz, Welcome to EasyEDA. Please note that it is not clear that there is any functional difference between the: ![enter image description here][1] and: ![enter image description here][2] ground symbols. The page: https://de.wikipedia.org/wiki/Masse_(Elektronik) Describes: ![enter image description here][3] as: Ground Housing (Masse, Gehäuse) and: ![enter image description here][4] as: Ground, housing simpler shape (Masse, Gehäuse einfachere Form) [1]: /editor/20161206/58468306e211d.png [2]: /editor/20161206/58468337e4cdf.png [3]: /editor/20161206/58468306e211d.png [4]: /editor/20161206/58468337e4cdf.png
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machmakemagaz 7 years ago
The first sign is (in Germany/EU?) rather used for housing. The second simple sign is the better one if you want to show **common** ground (not connected to any housing). The first sign (and other "erath" signs) are (in simple words) "bad/old US-style".
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andyfierman 7 years ago
Understood. Somebody needs to update the Wiki page then! :) This is something that Support needs to do because although I can create a nice symbol, I cannot create it the same way as the built-in earth symbols (which also cannot be edited and resaved in the same way that most other symbols in the EasyEDA Libs can by double clicking on them).
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machmakemagaz 7 years ago
I try to paint a nice symbol and it works a little bit. But how I can make it a net part? If I place it in the schematic, there will be Name and Value shown and it is not connected to ground.
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EasyEDA 7 years ago
@Machmakemagaz That symbol you can't create, just EasyEDA can create. or it will be a part
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machmakemagaz 7 years ago
I try to figure it out correctly. But in this time here my German description: > Masse (Ground/GND) und Erde sind zwar oft identisch, können aber unterschiedliche Potentiale haben. Zudem sollte es nur **eine** Verbindung zwischen Masse, Gehäuse-Masse (die nur bei metallischen Gehäusen Sinn macht) und Erde geben, es kann aber in einer Schaltung mehrmals das Symbol für Masse benutzt werden - vor allem, um für mehr Übersicht auf Verbindungen zu verzichten. Eine Gehäuse-Masse ist zudem nicht unbedingt vorhanden (Kunststoffgehäuse), so dass nicht sicher sein kann, dass zwischen verschiedenen Gehäuse-Massen eine elektrische Verbindung besteht. Es kann dann eine Verbindung zwischen Masse und Gehäuse-Masse vorgesehen sein, aber keine existieren. Erde und Gehäuse-Masse sind ebenso zu verbinden. Während Erde allgemein keine schützende Funktion hat und deshalb elektrisch unspezifiziert ist, gelten für [Schutzerdung][1] spezielle Anforderungen. And this is what google translation do: > Ground (ground / GND) and earth are often identical, but can have different potentials. In addition, there should be only **one** connection between ground, body ground (which makes sense only for metallic housings) and earth, but the symbol for ground can be used in a circuit several times - above all, in order to avoid connections. A housing mass is also not necessarily present (plastic housing), so that it can not be certain that an electrical connection exists between different housing masses. A connection between ground and housing ground can then be provided, but none exist. Earth and housing ground must also be connected. While earth generally has no protective function and is therefore electrically unspecified, special requirements apply to earth protection https://de.wikipedia.org/wiki/Schutzerdung#Schutzma.C3.9Fnahme_Schutzerdung. [1]: https://de.wikipedia.org/wiki/Schutzerdung#Schutzma.C3.9Fnahme_Schutzerdung
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andyfierman 7 years ago
@Components, Can you create a symbol for Machmakemagaz? (I do not have access to the EasyEDA Libs Symbol creation editor.) :)
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dillon 7 years ago
![enter image description here][1] [1]: /editor/20161213/584f8f68a2b48.png Is this? If yes, will add it at next version.
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andyfierman 7 years ago
@ Dillon, That's correct. I have emailed you a json showing the symbol I have made that is in the same proportions as the other three ground symbols we already have. You just have to convert it into something you can put into the ground symbols section of the EasyEDA Libs. Thanks.
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dillon 7 years ago
![enter image description here][1] [1]: /editor/20161214/5850b8c46ad07.png But this symbol can be changed to GND or any netlabel
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machmakemagaz 7 years ago
But it is not the correct symbol. The diagonally line must be thicker. Nice will be if it 3 times thicker than the vertical one. I read the DIN EN 60617-2 which is an IEC Norm so the same symbols are world wide the same. I update the German Wikipedia entry https://de.wikipedia.org/wiki/Masse_(Elektronik). ![Ground Chassis][1] This is Ground Chassis. This is not Earth. This is the **only one** GND-Symbol ![without hatching][2] This can be used for GND if there is no ambiguity. The line for the frame must be thicker. ![Equipotentiality][3] Equipotentiality. Very special never used in normal circuits. ![Earth][4] This is **earth**. GND **can** be earth bust must not. [1]: https://upload.wikimedia.org/wikipedia/commons/2/2d/Chassis_Ground.svg [2]: https://de.wikipedia.org/wiki/Datei:Schaltzeichen_Masse.svg [3]: https://de.wikipedia.org/wiki/Datei:Signal_Ground.svg [4]: https://de.wikipedia.org/wiki/Datei:Earth_Ground.svg
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machmakemagaz 7 years ago
dammed where are the pics? https://de.wikipedia.org/wiki/Datei:Schaltzeichen_Masse.svg https://de.wikipedia.org/wiki/Datei:Signal_Ground.svg https://de.wikipedia.org/wiki/Datei:Earth_Ground.svg
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machmakemagaz 7 years ago
Thank you for adding GND3
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psrinivasu biomimicry 5 months ago
@andyfierman
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