[Homebrew_PCBs] DLP Kit
2014-08-15 by Mark Lerman
I am willing, within reason, to consider collecting and kitting the parts for the E260 conversion. One problem is shipping a 2 foot long x 6 inch wide piece
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[Homebrew_PCBs] DLP - MCU Version
2014-08-15 by Mark Lerman
The MCU version is finished. Unfortunately something is wrong at Instructables and it won t publish, so I have uploaded it to the files section of this group.
New file uploaded to Homebrew_PCBs
2014-08-15 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Direct
[Homebrew_PCBs] [Homebrew PCBs] DLP MCU Version
2014-08-15 by Kaj Wiik
Hi! I d be interested in a kit. Wonderful job you have done! I just got a used E260 for 10€ just for this purpose :-). Cheers, Kaj Hi! I d be interested in a
Re: Interest in Kit.
2014-08-14 by Chuck Robideaux
I m also interested in a kit. Chuck w8dux
Interest in Kit.
2014-08-14 by Kirk Kleinschmidt
Mark, I m interested in a kit. Please advise :) --Kirk Kleinschmidt Rochester, MN My book, Stealth Amateur Radio, is now available from
Re: [Homebrew_PCBs] [Homebrew PCBs] DLP MCU Version
2014-08-14 by Bill Maxwell
I would take a kit, Mark. Bill On 14/08/2014 9:08 AM, Mark Lerman mlerman@ix.netcom.com [Homebrew_PCBs] ... omebrew_PCBs/join (Yahoo! ID required) <*> To
Re: [Homebrew_PCBs] [Homebrew PCBs] DLP MCU Version
2014-08-13 by Roger Blair
Count me in for a kit Thanks, Roger On 8/13/2014 4:08 PM, Mark Lerman mlerman@ix.netcom.com [Homebrew_PCBs] wrote: I finished the MCU version. The only real
[Homebrew PCBs] DLP MCU Version
2014-08-13 by Mark Lerman
I finished the MCU version. The only real advantage is that you can hold the carrier in place firmly against the input rollers, then press the Continue (X)
Re: [Homebrew_PCBs] DLP results and help wanted
2014-08-13 by Mark Lerman
Hello Radek, I ve found that the HP printers tend to do outlines of the printed images, with the centers either completely empty or poor quality. One thing I
Re: [Homebrew_PCBs] DLP results and help wanted
2014-08-13 by rkierzek@o2.pl
Hello Mark! I read that was previously perform a many number of attempts over the transfer of toner powder on the plate. eg. voltage changes, gel XY I
Re: [Homebrew_PCBs] DLP Tests
2014-08-12 by jamesmichaelnewton@...
Either an addition to the Instructable or a website would be great. The latter would overcome any limitations on number of photos etc. I would be very happy to
Re: [Homebrew_PCBs] DLP results and help wanted
2014-08-10 by Mark Lerman
No, I have no need for traces that fine, but now that I have a stable platform I want to test the limits. Once I get the MCU version online I am going to
Re: [Homebrew_PCBs] DLP results and help wanted
2014-08-10 by James
5/5 is better than most cheap board houses would advertise (6/6 is fairly typical). Do you really need to get down to that? 8/8 is what most people strive to
RE: [Homebrew_PCBs] DLP results and help wanted
2014-08-09 by Mark Lerman
Missed it, indeed. Thanks Bertho. Mark t 07:46 PM 8/8/2014, you wrote: Mark, I guess you missed my test pattern with various pitches in my last email. See:
Re: [Homebrew_PCBs] Re: SMD: solder or solder paste ??
2014-08-09 by James
On Sat, Aug 9, 2014 at 3:26 AM, qz9090@yahoo.com [Homebrew_PCBs] ... Yes ... For removing, sure, for attaching, errm, it would melt it, solder, but it would be
RE: [Homebrew_PCBs] DLP results and help wanted
2014-08-08 by Boman33
Mark, I guess you missed my test pattern with various pitches in my last email. See: http://www.vinland.com/USAF-1951.html See the second part. It gives worst
[Homebrew_PCBs] DLP results and help wanted
2014-08-08 by Mark Lerman
Still waiting for some parts for the MCU version,l but I just ran a test board and found: 1 - All 5 mm traces are intact. 2 - 5 mil traces/10 mil spaces works
Re: [Homebrew_PCBs] Re: SMD: solder or solder paste ??
2014-08-08 by Stefan Trethan
A hot air station will melt wire solder. (The solder alloy is the same, or rather the same alloys are available, solder paste is just tiny balls mixed with
Re: SMD: solder or solder paste ??
2014-08-08 by qz9090@...
James, When using a hot air rework station, I would solder paste, right? Can a rework station be hot enough to use with regular solder (for attaching
Re: [Homebrew_PCBs] Re: To fillet or not to fillet on a PCB pattern
2014-08-08 by Donald H Locker
I get it. Seeing the photos was illuminating, too. Thanks, Donald.
Re: [Homebrew_PCBs] Re: To fillet or not to fillet on a PCB pattern
2014-08-07 by DJ Delorie
Donald H Locker dhlocker@comcast.net [Homebrew_PCBs] ... I meant teardrops. As in, the code doesn t check to see if the pad is square. I typically don t
Re: [Homebrew_PCBs] To fillet or not to fillet on a PCB pattern
2014-08-07 by Donald H Locker
That looks very nice! Donald.
Re: [Homebrew_PCBs] Re: To fillet or not to fillet on a PCB pattern
2014-08-07 by Donald H Locker
Do you put teardrops or did you mean fillets on square pads now, ... ? Donald.
Re: [Homebrew_PCBs] DLP Tests
2014-08-06 by wrmaxwell@...
Thanks Mark Either an addition to the Instructable or a website would be great. The latter would overcome any limitations on number of photos etc. Now to find
Re: [Homebrew_PCBs] DLP Tests
2014-08-06 by Mark
Bill, I don t think there is anything specific re the MCU. I just pulled out an old E260 and I m going to convert it to a MCU version. Hope to finish it by the
Re: [Homebrew_PCBs] DLP Tests
2014-08-06 by Bill Maxwell
Thanks Mark I have seen the instructable but I am particularly interested in your other method, using a mcu hack. I ll try searching as you suggest, although
Re: [SPAM]RE: [Homebrew_PCBs] DLP Tests
2014-08-06 by Mark Lerman
Bertho, Jim and all, I found the reason why this particular machine was not working as well as the others. I have had this machine apart many times, and I had
RE: [Homebrew_PCBs] DLP Tests
2014-08-06 by Boman33
Mark, Your printer conversion work and the write-up is great!! I worry though why the second printer is not performing as well as the first one. It also sounds
Re: [Homebrew_PCBs] DLP Tests
2014-08-06 by Mark Lerman
Hi Bill, Here s the Instrucable:
Re: [Homebrew_PCBs] SMD: solder or solder paste ??
2014-08-06 by James
Solder paste is usually used only when doing reflow (reflow oven, toaster oven, frying pan, hot air...) You can use it with a soldering iron (by placing the
SMD: solder or solder paste ??
2014-08-06 by qz9090@...
When soldeing SMD components it seems that one of two approaches can be used. Note: I m new to SMD so I may be totally off-base on this one. It seems to me
Re: [Homebrew_PCBs] DLP Tests
2014-08-05 by Bill Maxwell
Hi mark Sorry to muscle in on your thread with Jim but I am fascinated by the talk about mcu mods to enable direct printing. Can you provide a link to where I
Re: [Homebrew_PCBs] DLP Tests
2014-08-05 by Mark Lerman
Hi Jim, If .086 PLUS the .010 carrier works, then .062 should go through, if the ribs are cut off. I might have to get another E260 and try it. I just bought a
DLP Tests
2014-08-05 by Jim
Hi Mark Very good write up on your modification of the LexMark 260 The last communication we had was about the maximum carrier thickness plus PCB thickness. I
Re: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Mark Lerman
I ll get the data to you in a few days, but the ISP is in the same configuration as the AVRISP ISP programmer.
Re: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Cristian
... TINY 13 on both boards. I have two versions (two different boards), your first two versions, years ago. I ll send to your mail the photo. Also, please let
Re: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Mark Lerman
I ll get it together in the next couple of days and send the both the hex and asm files to you. What mcu does your board use? Mark
Re: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Cristian
... I m afraid that the two shippings will cost me more than a new mcu. How much is that new mcu shipped to Romania, please? Is there the .hex available, to
Re: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Mark Lerman
Probably, but it would have to be reprogrammed. I ll do that for you for the cost of shipping. Mark
Direct Laser Printing Video
2014-08-05 by Cristian
... Is the mcu I ve bought from you, a while ago (plus a small pcb), good for now, please? Cristian
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by Mark Lerman
I ll try to get to it soon - Mark At 10:38 PM 8/4/2014, you wrote: My guess is that most of this goup s users are fairly mcu savvy. And, sorry to keep
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-05 by twgray2007@...
My guess is that most of this goup s users are fairly mcu savvy. And, sorry to keep pestering you about this, but how much effort would it be to additionally
Re: [Homebrew_PCBs] Re: To fillet or not to fillet on a PCB pattern
2014-08-05 by DJ Delorie
Paul Alciatore palciatore@gt.rr.com [Homebrew_PCBs] ... Probably, but at the time, the math for pretty teardrops on square pads was too hard for me to bother
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-04 by Mark
It really is very simple. You can either leave the Manual Feed Paper Sensor in or remove it. If you remove it you can actually use one of the Operator Panel
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-04 by Bill Maxwell
Can you tell us more about the microcontroller hack Mark? On 5/08/2014 2:39 AM, Mark Lerman mlerman@ix.netcom.com [Homebrew_PCBs]
Re: To fillet or not to fillet on a PCB pattern
2014-08-04 by Paul Alciatore
It appears that the examples on that page show filets at round pads, but not at rectangular ones. Is this the general practice? I would think they would be
E260 conversion using microcontroller.
2014-08-04 by Bob Green
Mark, could you tell me where to find the information for the conversion using a microcontroller please, and which microcontroller did you use? I am familiar
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-04 by Mark Lerman
One more thing. It IS possible to modify the printer without cutting the paper platform, but the clearance is very tight and thicker boards are a problem. For
Re: [SPAM]Re: [SPAM]RE: [Homebrew_PCBs] Direct Laser Printing Video
2014-08-04 by Mark Lerman
Hard to tell because I have opened these so many times, but I would guess somewhere in the 10-12 hour range. The actual time to do it is much less, but keeping