Re: [kicad-users] vias in a pad?
I was doing a Radio UHF transmitter this month and having viaa in the ground place was mandatory. I finaly found that is is *very* simple: * In this example, ground id mostly in the bottom layer * start a track in the botom layer from a nearby ground track * change layers so that a Via is added * double-click to end the track * go back to the bottom layer and do it again, many times :) It is fast enough, and easy. Alain Em 24-08-2010 09:33, James Moody escreveu: A number of components I've come across lately (DC motor controller chips, ESD protection devices, for example) have a thermal or ground pad underneath the chip. This requires that a large pad be included in the footprint, and the usual recommendation is that several vias are used in this pad to connect it to the ground layer. This is also part of the thermal management scheme. For example, if you look at page 10 of the datasheet for the Allegro A4983, it describes how to lay out the board. It shows 9 vias in the under-chip pad used to aid in solder flow and heat transfer. My first thought for how to do this in KiCad was to define a bunch of vias on the board. My second thought was to change the module so that the large pad was actually several small pads butt up against each other, tiled together to make one large pad, and have each pad be a through-hole style pad with a very narrow drill. Is there a better approach or feature I've missed? Thanks. --Jim
Re: [kicad-users] Re: Bitmap2kicad
That is very interesting, but... will it work with the new variable width font in the later Kicad versions? FWICU it is based in fixed size font. If you give it a try, please post feedback :) Alain Em 24-08-2010 16:43, mgebha escreveu: Are you looking for something like that? http://www.jave.de/docs/kicad/image2module.html --- In kicad-users@yahoogroups.com, ross brossb...@... wrote: Hi All: I was wondering where to find 'Bitmap2kicad' a Google search brings back to the Kicad main page. Any help is appreciated. Thanks Ross Bell
Re: [kicad-users] Re: Cannot connect pins in schematics-editor
For what I kno, this is a case where workint the standad track will make it easy: If you have a schematic, just change the part in the schematic, then in cvpcb, then import the net usinf replace parts and the connections will not be lost :) Alain Em 03-05-2010 10:02, luck_hans escreveu: For example i have two parts, connected with tracks, i remove these parts and after readding these parts i want to connect them again to these tracks. The tracks netname will then be something like 0 if i do remember well. Of course i can switch of DRC an connect the tracks manually, but that wont change the tracks netname, so it will keep giving me errors. This is especially interesting for me since i design some Antenna-patterns with it and want to change the used IC´s for certain designs. Anyway, back to topic. Since i have done the above mentioned workaround and saved the project under a different name the error wont occur again for now. I will send you the previous files and the actual files. Thanks a lot for your help! I am working in a young startup-company and referring from my personal experience with KiCad i could convince my bosses to give it a try. Uptil now we are very satisfied and i hope we can contribute something back in future too. Regards Patrick
Re: [kicad-users] Segment size change
size or width? Em 03-05-2010 18:47, williamehlers2004 escreveu: How do I change a segment size without changing the entire net? W.Ehlers
Re: [kicad-users] Re: Cannot connect pins in schematics-editor
Could you send this file to th Devellopers list? Alain (not a developer) Em 30-04-2010 10:49, luck_hans escreveu: My PCBnew also only crashes in certain pcb´s. So far i have solved the problem by removing all parts with the global remove-command, then clicking the design-rules-button from the menu and when it loads without crashing undo the remove all parts command. Then it works until reloading the whole pcb. Maybe one of my parts is corupted in some way. By the way, is there any way to reconnect existing conducting paths with a different or non-exsisting netnumber to parts with different netnumbers? Thanks for your help so far, best regards, Patrick
Re: [kicad-users] Re: Schematic ERC
I am not sure, but IIRC you can connect them with a junction... BUT... I have a rule: allways have at least a small piece of wire straight from the component and before any conection at all. This rule is old, prior to Kicad I used it in Orcad too. It did save me from many errors allong the way :) Alain Em 27-04-2010 05:29, ymasquel escreveu: Hi John, For your last subject, there is no auto-connect between pins of symbols (power symbols like others). The only connection is made by wires or named nets/busses. Yves. --- In kicad-users@yahoogroups.com, NeonJohnj...@... wrote: Thanks for the tip. I finally punted and ran the annotation with the reannotate everything. That got the ERC working. Now I'm chasing phantom errors. In most cases, deleting the trace or more often, the ground symbol and re-placing it will make the error go away. I've learned that if I drop a ground symbol right on the pin of a component with no connecting wire, it'll get flagged as a non-connect. Real PITA. I have a LOT of those to fix. John Stephen Eaton wrote: G'day John, I myself am fairly new to kicad as well, but have just finished a project as a means to better learn kicad. With my experiences I found that ERC won't fully run until it sees all components are annotated. Have you run the annotation tool to see if it picks up the unannoted component? Stephen... From: kicad-users@yahoogroups.com [mailto:kicad-us...@yahoogroups.com] On Behalf Of NeonJohn Sent: Tuesday, 27 April 2010 12:02 PM To: kicad-users@yahoogroups.com Subject: [kicad-users] Schematic ERC I'm using the latest official release under Ubuntu (Build: (20100406 SVN-R2509)-final) After abandoning KiCAD a couple of releases ago as not ready for prime time, I'm back to try again. I've entered a fairly complex design involving an FPGA, a processor and some analog stuff. Being fairly new to this and considering the complexity, I can't believe that I made no mistakes. that's what the ERC checker is saying. When I bring it up and click Test ERC, I get the following message: item not annotated: 0.1uF? Annotation required! But nothing in the marker window. I've checked every single bypass capacitor both manually and by searching for the value. They're all annotated. So. Is ERC broken in this release or was I really that good? :-) And what's with the annotation message? Thanks, John -- John DeArmond Tellico Plains, Occupied TN http://www.neon-john.com-- email from here http://www.johndearmond.com-- Best damned Blog on the net PGP key: wwwkeys.pgp.net: BCB68D77 Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] component with dissimilar parts?
I have done it for relays 2x contacts, 1x coil) and 4051 (separate control)... Em 26-04-2010 17:26, David escreveu: Is it possible to create, for example, a 12AX7A with three parts in it? Part A B are the triodes, but is it possible to have the third as the filament which isn't round but shaped different?
Re: [kicad-users] Heterogenous multi-part components
Yes, I regularly do that... Sometimes even a separate unit only for power. It *is* a bit tedious... In the library editor, you have to use the last icon on the top to allow diferent layouts for each unit. Then you have to draw each one. Then you place the pins and (I believe this is a bug) it will keep telling you that a pin at this location, but it is ok. Sometimes you have to change an option in a line or other component to allow it to be different on each unit. Aproximately :) Alain Em 20-04-2010 07:59, ne562 escreveu: Is it possible to create heterogenous schematic components (ie 3 logic + 1 logic with power pins) ?
Re: [kicad-users] Re: Has anyone used the autorouters in GEDA to route their kicad design?
Autorouter is the top most misunderstood piece of software. Most peole just think that it will make the boar for them. That is not the way to go. Freeroute is great for complex boards, but it usualy makes a mess of the conections and you will not be able to change much afterwards. The internal router o Kicad is good and very effective for smaler/simpler boards. It doesn't generate such complex traces, but it easyer to work on the board aftewards. I personaly have developped a very interesting technique: I run repeatedly an autorouter just to evaluate my placement, then I discard and try a better placement. This is very effective... Alain Em 08-04-2010 12:06, juliorz escreveu: What is wrong with using the auto router included in KICAD? (that is what I use)
Re: [kicad-users] Print several PCBs per page
The correct way of doing it is: import into pcbnew all 3 boards and position them as whished. Then you can generate gerbers and drills or prints just the normal way. It works just fine, I use it regularly. Alain Em 06-04-2010 14:57, oliver602 escreveu: Hi, I want to print the same PCB 3 times on one sheet to make 3 PCBs from one laminate in one go. I can not find out how to scale the output properly from pcbnew to gimp or inkscape where I had planed to copy and past the boards side by side. Outputing an SVG file from pcbnew also doesnt seam to include drill holes. Can anybody tell me the best way to get a number of PCBs on one page and how to get the scalling right? Thanks!
Re: [kicad-users] Zero-size Gerber file outputs
probably you dont have the board drawn in the corresponding layer. Alain fred47prime escreveu: On the Windows 20100221-RC4 version, running under Windows Vista Home Premium, the plot command for Gerber files results in zero-size files. Plotting to postscript works. Are there any known problems or work-arounds? Thanks, Fred Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] Re: pcbnew is amazing slow under windows 7
It is not over the years, it is in the last few months this is what happens when you try a work in progress. Kicad team is working very hard in several new alternatives, at the current moment the main issue there is this speed problem which is windows centered... But there has been a lot of work on that matter *right now*. Old solutions have lots of problems, new solutions have others... It has to work on Linux, Mac, windows, hardware accelerated drivers, and I don't know what more. It is not an easy work, but it will be better when finished. Alain Carl Rash escreveu: I am running windows 7 ultimate 64-bit, I run an old version of Kicad (2007-11-29-RC2) compiled to 64-Bit executables using MS visual studio .net 2003 and the 2003 SDK. My screen refresh is blazing fast. I wonder what has happened to Kicad over the years?
Re: [kicad-users] Re: pcbnew is amazing slow under windows 7
Please dont say silly things. If you thing that Windows is crap, I may agree with you. But there are lots of people out thete that *need* to use it, or are not as smart as you are to use only Linux. Kicad is NOT AT ALL ruling Windows out. There is a lot of work going on on the Development List to make windows as fast as possible and it will certainly get better before the final release. Alain PS: I am stepping this this because that is the second time that someone that should not speak in kicad's behalf sends an unpolite anwer to a windows user. I am not a regular Windows user myself, but I have a lot of good friends that are and I moving to Kicad is just one more step out of Windows. DanielW escreveu: There's another solution you're missing: use a CAD package that's designed to work well under Windows, unlike KiCad. Someone who's willing to shell out hard-earned cash for Windows 7 should be happy to also buy a nice commercial CAD package, such as Orcad. Trying to run Free software on Windows is just silly. If you're going to buy into the whole commercial software thing, then don't do it halfway. Use paid, commercial software for everything you do in Windows, as the whole environment is one where Microsoft and its ISV partners work together to bring you the software experience they think you should have, for a fee, and if you're bought Windows, then that proves that you also buy into Microsoft's vision. Microsoft's vision does NOT include any Free software; they've stated this publicly over and over. Personally, I'm perfectly happy with KiCad running on Kubuntu. Dan --- In kicad-users@yahoogroups.com, dickelbeck d...@... wrote: --- In kicad-users@yahoogroups.com, o00batman00o anthony.siegrist@ wrote: Hello Since I upgraded to windows 7, I can't use pcbnew beacause the screen refresh is amazing slow. I can see dot grid showing up from left to right. I notice the same behavior on all PC running Windows Vista or 7. My temporary solution is to run Kicad under Ubuntu via VirtualBox. By this way refreshing rate is in my opinion 10 times faster. Does someone noticed the same issue? No, but I don't use Windows. Is there a solution ? Use Ubuntu? How much pain do you need, before you switch? I hit my threshold 6 years ago. I assume you use Windows for a reason, is that reason so that you can call Microsoft and get help on issues like this? Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] Re: pcbnew is amazing slow under windows 7
Things are abit moe complicated than that. The new version of Kicad has a major rework os it's internals. It is getting really better, for what I can see. There were problems in MAC, it seems to be solved, there are more problems in Windows, they are analyzing something like 3 alternatives right this weekend... Ah... and not all developpers use Linux, so at least some of the inner team is using windows... Don't despair. And if you want everything ok, why not jut grab the stable release? Alain kajdas escreveu: Exactly. It is like complaining to Apple that their programs do not work well under Vista. I guess the problem could be fixed somehow but most of Kicad developers use Linux, (I use Fedora) and their priority is in their own interest. Someone may eventually fix it when they see the need for it but I got tired of developing code when you have roadblocks behind every corner and MS charging toll. Linux programs running on Windows use compatibility-emulation libraries which always degrade performance. There may be a new library bug or new MIcrosoft 'feature' and who wants to spend time to find out which. M.
Re: [kicad-users] Re: pcbnew is amazing slow under windows 7
Greg Dyess escreveu: Having said that, I run KiCad on a machine (quad core, 2.4 GHz, 2 GB RAM) that dual-boots Windows XP Pro and Ubuntu 9.10. I see no discernable difference in performance between the two, so it's highly unlikely that Windows vs Ubuntu can account for the performance issues the user is reporting. I also run KiCad on a 3-year old laptop (dual-core, 32 bit @ 1.7 GHz with 2.5 GB RAM) and have performance complaints there either. I just want to make myself 100% clear: if you are running the latest *stable* version there is no performace issue. The performance problem is in the SVN version, which is a developer's only version. And the devellopers are working on it :) Alain
Re: [kicad-users] Re: libs silkscreens unusable
Hi Heiko, I also edit all the components I use. Very few and rare ones I can add to my personal library as-is. You will see that for the nexet board, the time that you will spend goes down... maybe even less thaen some comercial packeges :) Ah, and *yes* I also miss a fenceguard or keep-out layer. Or even layers like top/bottom/all ... what making a VOTATION, maybe if enough people miss it, it can be included in the TODO list... Alain Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/kicad-users/ * Your email settings: Individual Email | Traditional * To change settings online go to: http://groups.yahoo.com/group/kicad-users/join (Yahoo! ID required) * To change settings via email: kicad-users-dig...@yahoogroups.com kicad-users-fullfeatu...@yahoogroups.com * To unsubscribe from this group, send an email to: kicad-users-unsubscr...@yahoogroups.com * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
Re: [kicad-users] Re: KiCAD Parts Repo
patrick escreveu: what do you think about the idea of accessing the repo within kicad? I believe that it would be limiting. I explain: as it is an open project, every time the repo access is improved, kicad will need to be changed, which is not good. This can be avoided it it is done by a plugin :) -- I have been following this thread, an I have one idea (FWIW): there should me an entity recognizeable by kicad, probably exportable in XML format that should contain: payload: one and only one component or module either for eeschem or pcbnew information: name, tags, description, *images* (maybe more than one for 3D), author, etc.. And Kicad should be able to recongnize, import and export such entities . My idea is based in that this can make it possible to make a usefull repository of all this, possibly even in Google apps engine :) Oh! and it is very important to clearly specify the Licence (something like MPL) right from the begining, or it may become a problem... Alain
Re: [kicad-users] Re: KiCAD Parts Repo
Chris Albertson escreveu: I agree. but management should be automated Not for me. Easy to use: yes, that automation crazyness that updates my module while I am using it: NO. Alain
Re: [kicad-users] Re: screen capture tutorial
Yes, and an important one: save it in a format that can be seen in LINUX. Kicad is multiplatform, it makes no sense if the tutorial runs only in windows... In fact, this is a bit strange, as FWIK recordmydesktop is a Linux app... thanks,, Alain patrick escreveu: testing the screen capture application (recordmydesktop): http://dl.dropbox.com/u/1455235/examplekicad.ogv (open it with vlc, mplayer - theora codec). the final video will be uploaded to vimeo. any suggestion or recommandation before doing the final video? pat
Re: [kicad-users] Kicad and GPL license
The GPL has restrictions about derived work. Anything that you do with Kicad is made with kicad, so it has no restrictions. BUT.. there is a catch!!! Your schematics and board contains parts of the library and modules, and thus are derived work of those. You have to beware of these licences :( BUT... again The GPL restriction is only for *distribution*, so if you do not distribute (not even to a subsidiary) the restriction does not apply. As an exaple, GCC has a different licence for the compiler and for the library. There are even compatible libraries with different licences... Alain yukku yukkoo escreveu: Hi, I also wanted to know how the Kicad licensing works, is it just the source code that is GPL or all schematics created from Kicad also are GPL ? and how about the component libararies ? Thanks in advance Regards yukku
Re: [kicad-users] Way to check for unrouted nets?
burnsrobbie escreveu: As is usual, there were a few errors on the PCB; this time 2 unrouted nets that I missed. Not a disaster but irritating all the same. Is there a function or report out of the PCB program that would show unconnected nets (that the schematic would say should be connected). IIRC, when you load the net in pcbnew, ther is an option to show unconected pins or something. NOTE TO THE DEVELLOPERS: IMHO, this should be default on :) This often happens because of a pin name different in eeschema and the module and it is very hard to spot... Alain
Re: [kicad-users] Re: topological autorouter integration with KiCAD
CalvinG escreveu: Would you use wxWidgets for the GUI, or are you thinking about command line only? Obviously KiCAD is multi-platform, with a large portion of users running Win32 OSs. Please, dont forget us, Linux users ;) I am very excited about this new router, thanks... Alain
Re: [kicad-users] Re: Cvpcb cannot find netlist
I use to do things that way too, but there is one thing more: after renaming the files, you have to edit the .pro file and change the names of the .sch and .pcb files. Alain sdaau escreveu: Ah well: .. Or is it maybe that filenames should strictly have one period only in the filename? Yes in fact it is - I renamed myproject1.2.net to myproject1-2.net and now it seems I do not get that problem anymore... Cheers!
[kicad-users] Re: What open source Linux with a GUI would be nice analog simulator do you sugjest?
List busines in in the list. Reposting... josh escreveu: In EESchema their is a export netlist option. One output option is SPICE , ORCAD PCB2, CAD STAR, and ADD PLUGIN. If the other options didn't export to QUCS then a plugin would be logical right? what is that format? what does that format do? --- In kicad-users@yahoogroups.com, Alain Mouette ala...@... wrote: al davis escreveu: On Thursday 29 October 2009, David wrote: The only problem with merging kicad and QUCS is that the latter is written in QT but the former uses Wxwidgets libraries. If Kicad could be ported to QT it would also be aligned with Ktechlab which is also written in QT. All three are written in C++, but the team doing the porting would have to have extensive knowledge of the required libraries. The real issue there is that there is a LOT of duplicated work. The strength of Qucs is in the part that is duplicated. IMHO, this would be the wrong way to go. Imagine if in order to use FreeRoute, all kicad would have had to be ported to Java :( NO. The simple and practical way is just to read and write files in GUCS format. Specially that such files are very well documented. Alain
Re: [kicad-users] Re: What open source Linux with a GUI would be nice analog simulator do you sugjest?
I was waiting for my own repost to the list to answer so that it would not get lost, I just didn't see the message. Qucs files is detailed in it's own help screen, with all details. A very simple way of porting a schematic from Kicad to Qucs would be to write a separeate script to read a .sch from kicad and generate a qucs schematic file. Both are ascii... Alain josh_eeg escreveu: I was trying to discuss a possible way to output a netlist into QUCS I wasn't shure what one I reply to to send it to the people who were discussing that sorry about posting a short message twice. --- In kicad-users@yahoogroups.com, Alain Mouette ala...@... wrote: List busines in in the list. Reposting... josh escreveu: In EESchema their is a export netlist option. One output option is SPICE , ORCAD PCB2, CAD STAR, and ADD PLUGIN. If the other options didn't export to QUCS then a plugin would be logical right? what is that format? what does that format do? --- In kicad-users@yahoogroups.com, Alain Mouette alainm@ wrote: al davis escreveu: On Thursday 29 October 2009, David wrote: The only problem with merging kicad and QUCS is that the latter is written in QT but the former uses Wxwidgets libraries. If Kicad could be ported to QT it would also be aligned with Ktechlab which is also written in QT. All three are written in C++, but the team doing the porting would have to have extensive knowledge of the required libraries. The real issue there is that there is a LOT of duplicated work. The strength of Qucs is in the part that is duplicated. IMHO, this would be the wrong way to go. Imagine if in order to use FreeRoute, all kicad would have had to be ported to Java :( NO. The simple and practical way is just to read and write files in GUCS format. Specially that such files are very well documented. Alain Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] Re: What open source Linux with a GUI would be nice analog simulator do you sugjest?
I use GUCS on Linux. It is a very nice GUI and uses spice for simulations. In many situations I find it better than EWB... Alain josh_eeg escreveu: I think I ment what programs you mentioned I use ubuntu linux and wondered what to search for to find a spice in the package manager. A gui would be nice but I worked without them. --- In kicad-users@yahoogroups.com, Al Davis a...@... wrote: On Thursday 29 October 2009, josh_eeg wrote: What open source Linux with a GUI would be nice analog simulator do you sugjest? If you insist on a GUI, the only real choice is Qucs. Without a GUI, the most technically advanced is Gnucap. If you want something more traditional, there is NGspice. I searched the forms and LT switcher cad 3 is not open source I agree it is easy and nice to work with. But I think their might be more. Very much not open source. While I have the opportunity ... I need help with Gnucap. In particular, to make it work in an integrated way with Kicad. Any takers?
Re: [kicad-users] Re: What open source Linux with a GUI would be nice analog simulator do you sugjest?
al davis escreveu: On Thursday 29 October 2009, David wrote: The only problem with merging kicad and QUCS is that the latter is written in QT but the former uses Wxwidgets libraries. If Kicad could be ported to QT it would also be aligned with Ktechlab which is also written in QT. All three are written in C++, but the team doing the porting would have to have extensive knowledge of the required libraries. The real issue there is that there is a LOT of duplicated work. The strength of Qucs is in the part that is duplicated. IMHO, this would be the wrong way to go. Imagine if in order to use FreeRoute, all kicad would have had to be ported to Java :( NO. The simple and practical way is just to read and write files in GUCS format. Specially that such files are very well documented. Alain
Re: [kicad-users] ERC checks
Hi, I can answer that in a few separate parts: 1) Most user's trouble, specilly begginers, is about Power-in and Power-out. That got me too in the beggining... I was used t another CAD that had just Power so the PWR_FLG problem did not appear. Kicad's way is conceptualy better but I doubt if this really will actch a single extra error. 2) ERC messages are very hard to undestand, particularly for the case above. apart from being cpyptical, it is often in the wrong page. Maybe a suggestion is to show all connections aon all pages related to that error. 3) Small error like an overlap instead of a connection are hard to find, but with time it gets easyer... A good suggestion would be to indicate overlaps with a differente color. Alain David escreveu: Hi, I read a lot of posts in this forum about ERC errors produced by EESchema ERC function. Why do people waste so much time trying to find out why EESchema produces these errors instead of relying on basic electrical first principles? When I'm drawing a schematic I set all pins that cause me problems (in EESchema) to passive. Instead I rely on a thorough study of any device data sheets and Kirchoffs laws/electrical principles. I can understand if someone has not had any electronics training/experience but surely the designer of the circuit, i.e you, have a better understanding of how things should be connected. Sorry for the rant. David.
Re: [kicad-users] AGND Funny Business?
Probably: R-click on the text and Rotate Text Alain Rob Frohne escreveu: I figured it out, at least kind of! I clicked the Show hidden pins icon and it prints them or doesn't depending on the button. Now I want to know why this is the behavior. Any insights? Thanks, Rob Rob Frohne wrote: Hi Everyone, I did something and my AGND symbols in eeschema changed. Now AGND is printed going vertically. I don't really need it printed twice, as it clutters the schematic. I'm not sure how I changed it so it prints like this and I'm not sure how to change it back. Can anyone help me? For a screen shot of what I mean, see a screenshot of the library editor showing AGND: http://people.wallawalla.edu/~Rob.Frohne/agnd.png http://people.wallawalla.edu/%7ERob.Frohne/agnd.png Thanks, Rob -- Rob Frohne, Ph.D., P.E. E.F. Cross School of Engineering Walla Walla University 100 SW 4th Street College Place, WA 99324 (509) 527-2075 http://people.wallawalla.edu/~rob.frohne http://people.wallawalla.edu/%7Erob.frohne
Re: [kicad-users] Re: How to create mutliple page schematics?
NeonJohn escreveu: I still don't see the utility of the hierarchical scheme. It seems to me like a needless complication of what should be very simple - adding pages to a schematic. Maybe simple flat multiple pages could be added sometime in the future? I used another tool with Flat scheme. It just needed an extra file to put tle list of files! I normaly just inser a small rectangle at the bottom corner of my first page and forguet about it. It is quite convenient... Alain
Re: [kicad-users] Re: How to create mutliple page schematics?
Patrick Maupin escreveu: However, since you already have a foo.sch, and since (IMO) the cut and paste between sheets is kind of rough, I don't believe so, it is just a little strange and a little buggy: 1) in sheet A, select with the mouse, thrn without moving, there is an option Other block operations and Copy 2) go back to sheet B (can be anything, but do not exit eeschema) and click on the paste icon on the top toolbar. Your block will be presented for positionining. I had to have it explained to me... All this is documented as Ctrl+C Ctrl+V but the keys do not work (at least on Linux) Alain
Re: Sv: Re: [kicad-users] Re:Grounding strategies, zones, star ground etc
Hi, I have had lots of such situations in the past, at the time multi-layer was not an option ... What I used to do is to create a jumper or connector (or more than one) and hand connect them after the autorouting and DRC check. This can be very efective, if and only if, you can predict where the current problems wil happen. This can deppend on: 1) Some circuits are naturaly separated 2) some have to be modified to achieve separation 3) a very thourough understanding of what happens can help :) I remember a particular board where I had a 5 pin jumper: switching supply power, supply ground sense, digital ground, analog ground, and one more (forgot what). Interconnecting them was particurly easy with Tango due to some simple gerber generating tricks which don't exist in kicad :( Alain Greg Dyess escreveu: Just a thought here, as I am far from an expert in such areas. Could the high-current sections be physically separated into a completely different PCB and enclosure and then opto-isolated from the more sensitive electronics? I don't recall if the original posting said that the motors were controlled in an analog or digital fashion. Greg *From:* Anders Gustafsson anders.gustafs...@pedago.fi *To:* kicad-users@yahoogroups.com *Sent:* Tuesday, August 25, 2009 9:24:15 AM *Subject:* Sv: Re: [kicad-users] Re:Grounding strategies, zones, star ground etc It's worth saying that if one has a problem as described in the OP, a four layer board would be highly preferable. Absolutely, but I only intend to make three such boards :) The aim is to control a rather ancient Beaver CNC mill that now belongs to a friend of mine. We scrapped the original controller for several reasons, ie it was a punched-tape unit and it had been used as a dwelling by a rather large colony of rats I will make the finished design available on the web, for others to use though as there seems to be a large number of these mills floating around and they are built to last a lifetime or two. The motors are rated at 7Nm, but I found that they pulled well over 9Nm reliably even when driven at just 15A (they are rated at 20A) If you split the ground plane up with a view to helping you achieve this, then you should benefit, but if you just do it blindly thinkin The ground planes on both sides are now split, with a moat that separates the low-signal part from the noisy bits and they are joined at one point, the star ground. - Anders Gustafsson Engineer, CNE6, ASE Pedago, The Aaland Islands (N60 E20) www.pedago.fi http://www.pedago.fi phone +358 18 12060 mobile +358 40506 7099 fax +358 18 14060 Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links mailto:kicad-users-fullfeatu...@yahoogroups.com mailto:kicad-users-fullfeatu...@yahoogroups.com
Re: [kicad-users] How to select one object only?
There is a key exactly for that: G Alain Rob Frohne escreveu: Hi, I'm trying to get more familiar with Kicad, and having some frustration with trying to drag just one object. What keeps happening is that other nearby objects are selected and dragged as well, no matter how far I zoom in and how careful I try to be. What am I doing wrong? For example, I had the wiring tool set to allow non vertical lines etc, and I got one. I decided I didn't like it and wanted to straighten it out. Any tips? Thanks, Rob
Re: [kicad-users] donut shaped pads
oecherexpat escreveu: Is it possible to somehow create donut-shaped pads? It is prefered by my PCB manufacturer to make sure that NPT holes are done right. If I go for a standard pad, the copper is all over the hole. If I use a copper track it is not recognised as a pad and a copper fill doesn't keep a distance to the ring. Yes, anything in the coper layer is not recognized by Zone-fill. It was in older versions. IMHO this is a regression, or a *bug* Let's hot that one day it gets fixed :) Alain
Re: [kicad-users] Re: Missing rat nest wires in Pcbnew
in eeschema the pin has a name. in pcbnew the pin also has a name. the component and the module are independent and were made by different persons. So it is possible (probable) that the pins have not the same name. Alain acidb...@ymail.com escreveu: Not sure i know what you mean. I think your saying if i assigned the wrong module to a part in Cvpcb it won't get wired in pcbnew ?? --- In kicad-users@yahoogroups.com, Alain Mouette ala...@... wrote: You probably have diffent names in eeschema and pcbnew. Example: a trandistor with B-C-E and a module with 1-2-3 Alain acidb...@... escreveu: I always do an ERC check, till it gets to 0. Whats a good grid size? I always use the default,which i think is 50ml, should i try something smaller? BTW this always happens in kicad, i could never figure out why. --- In kicad-users@yahoogroups.com, Andy Eskelson andyyahoo@ wrote: Every connection you make should have a wire in the rats nest. Have you run an ERC on the circuit? The most common problem is that you forget to add junctions when there are more than one connection on a wire. (I'm always doing this) Another problem is that you mess up the grid size and the connection does not quite connect to a pin. In both cases the ERC check you throw up a list of bad connections and draw a little arrow where the problem is. Andy On Thu, 02 Jul 2009 18:35:13 - acidblue@ sunblaster5@ wrote: when i open Pcbnew, after CVPcb, i noticed some of my led's and resistors aren't connected, no rats nest. Shouldn't every module have a connection ? Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] Re: Missing rat nest wires in Pcbnew
You probably have diffent names in eeschema and pcbnew. Example: a trandistor with B-C-E and a module with 1-2-3 Alain acidb...@ymail.com escreveu: I always do an ERC check, till it gets to 0. Whats a good grid size? I always use the default,which i think is 50ml, should i try something smaller? BTW this always happens in kicad, i could never figure out why. --- In kicad-users@yahoogroups.com, Andy Eskelson andyya...@... wrote: Every connection you make should have a wire in the rats nest. Have you run an ERC on the circuit? The most common problem is that you forget to add junctions when there are more than one connection on a wire. (I'm always doing this) Another problem is that you mess up the grid size and the connection does not quite connect to a pin. In both cases the ERC check you throw up a list of bad connections and draw a little arrow where the problem is. Andy On Thu, 02 Jul 2009 18:35:13 - acidb...@... sunblast...@... wrote: when i open Pcbnew, after CVPcb, i noticed some of my led's and resistors aren't connected, no rats nest. Shouldn't every module have a connection ? Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: Sv: Re: [kicad-users] L298 Footprint; How to make footprint yourself...
You should not look for the part, but for the package... Renie has it here: http://www.reniemarquet.cjb.net/bibliotecas.html search for 30 modelos de invólucro TO de potência have a look: http://www.reniemarquet.cjb.net/kicad/3d_to_power.png Alain Anders Gustafsson escreveu: what's an L289? It is a bridge driver for stepper motors: http://www.stmicro.fr/stonline/products/literature/ds/1773/l298.pdf - Anders Gustafsson Engineer, CNE6, ASE Pedago, The Aaland Islands (N60 E20) www.pedago.fi phone +358 18 12060 mobile +358 40506 7099 fax +358 18 14060 Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
Re: [kicad-users] Exclude edges in gerber file or not?
Once I made a board with the board layer on... there was a copper track surounding all the board, wich of course amounted to many shorts between nets :) Alain Mouette Andres Cimmarusti escreveu: Hi, I have my board ready to print it as a gerber file to send it to the manufacturer, but I don't know if I should have the option exclude edged pcb checked or not. I want the borders of my pcb to be connected to my grounding plane...so what should this option be? Also, should I include the edges layer in the layers to be printed as gerber files? it not done by default, but it worries me. Thanks Please read the Kicad FAQ in the group files section before posting your question. Please post your bug reports here. They will be picked up by the creator of Kicad. Please visit http://www.kicadlib.org for details of how to contribute your symbols/modules to the kicad library. For building Kicad from source and other development questions visit the kicad-devel group at http://groups.yahoo.com/group/kicad-develYahoo! Groups Links
