Re: Circuit design for the motivated beginner: How to proceed?
2006-09-24 by derekhawkins
... There s also; http://groups.yahoo.com/group/geckodrive
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Re: Circuit design for the motivated beginner: How to proceed?
2006-09-24 by Steve
... I have not visited that list in quite a while, but when I read regularly there they were -very- strict about staying on topic. Just an FYI. If you look in
Re: [Homebrew_PCBs] Re: Circuit design for the motivated beginner: How to proceed?
2006-09-24 by Ron Yost
... Hopefully Steve will allow me one post on this subject. I don t belong to E101 as yet. You may wish to join the CAD_CAM_EDM_DRO Yahoo group, too. This sort
Re: Circuit design for the motivated beginner: How to proceed?
2006-09-23 by bigjamma
... Thanks for the responses so far, everyone! I ll move the post over there (had never heard of that group, so thanks). Quick responses to the questions asked
Re: Circuit design for the motivated beginner: How to proceed?
2006-09-23 by Steve
... Yes, electronic design questions should be posted there, not here. http://groups.yahoo.com/group/Electronics_101 Steve Greenfield listowner of
Re: Circuit design for the motivated beginner: How to proceed?
2006-09-23 by derekhawkins
... A separate 5VDC supply dedicated to control and a simple electronic interlock can prevent switching in the presence of the 80VDC. That s provided he goes
Re: [Homebrew_PCBs] Circuit design for the motivated beginner: How to proceed?
2006-09-23 by Stefan Trethan
On Sat, 23 Sep 2006 11:04:00 +0200, Stefan Trethan ... Oh sorry i didn t spot that this was not on E_101. It belongs there of course
Re: Circuit design for the motivated beginner: How to proceed?
2006-09-23 by derekhawkins
... Matches a Gecko G320 servo drive. Whatever, switching contacts in the range 20A@80VDC would seem to be in order. But if it s the G320 then you can get by
Re: [Homebrew_PCBs] Circuit design for the motivated beginner: How to proceed?
2006-09-23 by Stefan Trethan
... maybe contactors (relays) will be best, you won t need to switch rapidly and very often? Watch inductive kickback from the motor with any sort of switch,
RE: [Homebrew_PCBs] Circuit design for the motivated beginner: How to proceed?
2006-09-23 by Len Shelton
... How many amps are you looking to pull through the 12 and 5 VDC lines? ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Circuit design for the motivated beginner: How to proceed?
2006-09-23 by Brian Pitt
... thats not good disconnecting the motors while the system is powered up will blow the drives pretty much instantly you d be better off getting the extra
Circuit design for the motivated beginner: How to proceed?
2006-09-22 by bigjamma
Electronics are a new area of interest for me (my skills lean toward mechanical design and fabrication, although I m relatively comfortable with programming).
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-22 by Stefan Trethan
... You can print out a series of strips with all the settings. I ve done that but haven t kept it and i don t remember in which order they came, but it was
Re: First Inkjet PC Board
2006-09-22 by jam5411
I am in the design phase of the toaster oven controller, should have it done today, or perhaps tomorrow. When I get the controller portion done (the board just
Re: SolderPaste dispenser and Pick and Place.
2006-09-22 by sciciora
... This seems to give you X and Y coords, but does not tell you the pad size. We needed the pad size info to determine how much solder paste to put on
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-22 by Stefan Trethan
Yes, braking fluid does the same. I was only able to do a single test with propylene glycol so far but it seems to work even better (needs confirming). You can
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-22 by Myc Holmes
Fanatastic! You are leaving a very thin film of a wetting agent on the surface of the copper, very similar in concept to the brake fluid. Accoding to the MSDS
Other Inks for InkJet resist printing?
2006-09-22 by James Newton
Has anyone tried the curing process with the Genuine Epson Dura- Bright inks? Have any other inks been tried and rejected? It makes me nervous to have only
Re: First Inkjet PC Board
2006-09-21 by jam5411
Yes, Steve I think Stefan is correct on the usage of the color inks on the later C8 series. Back to the PC boards and the inkjet process - I have struggled for
Re: SolderPaste dispenser and Pick and Place.
2006-09-21 by derekhawkins
... It comes with the product (ULP folder), it s in at least versions 4.09 - 4.16. Just choose File/Run then choose it. Should give you X/Y coordinates of the
Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.
2006-09-21 by Derryck Croker
... Um, so how about trimming the bits of the message that you re not addressing in your reply? I agree that top-posting is wrong, but when one is then faced
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-21 by WT
Hi Derek, Thanks for the very informative message below. I am finishing the CNC retrofit of my China made ZAY7032 Milling Machine and can try the method you
Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.
2006-09-21 by Leon Heller
... From: Derek Barger To: Sent: Thursday, September 21, 2006 7:04 AM Subject: Re: [Homebrew_PCBs] Re:
Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.
2006-09-21 by Derek Barger
Sure that looks fine for the center that is easy. Your first chip can be an 18, 20, 28 pin package. You have to find every pin location for that chip to put
Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.
2006-09-21 by Leon Heller
... From: Derek Barger To: Sent: Thursday, September 21, 2006 12:27 AM Subject: Re: [Homebrew_PCBs] Re:
Re: Stupid- simple tip but worth it ....
2006-09-21 by Steve
Let s drop this. End of line. Steve Greenfield Listowner
RE: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Dave King
Lol that will teach me for trying to respond while my wife is nagging me ;-] Dave
Re: [Homebrew_PCBs] Re: SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
I just went to the Cadsoft website under ulp I still don t see the file with the name smd-coordinate.ulp. You are probably right there is better way to do it.
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Ross McKenzie
Hi Dave King. Ross here. I am the one having difficulty accessing DEREK s videos. I am not the one serving the videos up to the readership. Never mind. But
RE: [Homebrew_PCBs] Re: Stupid- simple tip but worth it ....
2006-09-20 by Tony Smith
... Alligator clips tend to suck. What s hard about that? Tony
Re: First Inkjet PC Board
2006-09-20 by Steve
... I found the info on InkjetArt.com, looking at it again it was specifically for the C80. Maybe Epson changed the ink used in later C8x models.
Re: [Homebrew_PCBs] Re: Stupid- simple tip but worth it ....
2006-09-20 by Stefan Trethan
On Wed, 20 Sep 2006 21:04:22 +0200, Tony Smith ... I ll not try any more, you seem incapable of processing what i say and you just
Re: SolderPaste dispenser and Pick and Place.
2006-09-20 by derekhawkins
... I thought smd-coordinate.ulp gave you this on a silver platter? ... Sort the .smt and .smb output files on one axis.
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
Hi Sander, It was made with Windows Movie Maker so I don t know what the problem is :) Hope it works better latter. Thanks, Derek www.hightechsystemsllc.com
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
Hi Dave, I think the rush is over. We where trying for a ramp up and ramp down on the temperature for a heat soak then cool off procedure. Using a temp sensors
RE: [Homebrew_PCBs] Controversial question....
2006-09-20 by Tony Smith
... Nah, he doesn t like any foreigners. Specifically, he found dealing with foreign currencies and sending stuff overseas a pain. He isn t alone there. A
RE: [Homebrew_PCBs] Re: Stupid- simple tip but worth it ....
2006-09-20 by Tony Smith
... Well, back from watching the grass grow. Very exciting. Still need mowing. Why can grass shrink when it rains? More exciting than this thread anyway.
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Sander Pool
When I tried to watch the videos my graphics driver actually crashed. It reverted to VGA, an interesting experience. I ve watched thousands of videos in the
Photoresist sources?
2006-09-20 by klmjr22
Has anyone found a cheaper source for the photoresist than think&tink? I was also wondering if you can get the positive laminate photoresist somewhere. Most
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
Hi Weedy, It has been awhile since we have done this so if I get some details wrong I will correct them latter. The solder paste is easier than than the pick
RE: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Dave King
Ross Probably already been suggested but why not put them on youtube or google video then you won t get hassled by isp about bandwidth useage. Or has the rush
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by WT
Hi, Derek. Nice solder paste and pick & place machine. Very interesting. Can I ask you to provide additional info and pictures of the solder paste machine? In
Re: [Homebrew_PCBs] Controversial question....
2006-09-20 by Terry Owens
Hi Ross, I had to order and paid for the Brute plans via a friend in the States. He was very annoyed at this when I asked him a question via email and demanded
Re: [Homebrew_PCBs] Controversial question....
2006-09-20 by Leon Heller
... From: Terry Owens To: Sent: Wednesday, September 20, 2006 1:06 PM Subject: Re:
Re: [Homebrew_PCBs] Controversial question....
2006-09-20 by Ross McKenzie
Terry, I think that says that he will only deal with US and Canadians. I don t think that he specifically picked on Brits....but I must admit I almost
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Leon Heller
... From: Ross McKenzie To: Sent: Wednesday, September 20, 2006 12:54 PM Subject: Re:
Re: [Homebrew_PCBs] Controversial question....
2006-09-20 by Terry Owens
Hi, I have answered this on another group. Take a look at http://www.crankorgan.com/ But he doesn t like brits though, and for software I d look at TurboCNC.
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Ross McKenzie
Thanks for the offer Derek. I will try again later. My ISP has limits on email attachment sizes. Regards, Ross
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Stefan Trethan
On Wed, 20 Sep 2006 03:13:37 +0200, Derek Barger ... That s great! I like the way you position the component on the suction needle, i
Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
Hi Ross, I can send you the videos directly the Pick and place is 6meg the solder paste is 2 meg and the reflow with a hotplate is 1.5meg. I have had this