Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Steve Maroney
Just hit 30 ! Best Regards, Steve Maroney Business Computer Support, LLC 504-914-4704 Mobile Phone 504-904-0266 Office Phone 866-871-7797 Fax Sent from my
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Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Harvey L. McRae
Now your making me feel young all over again.. Thanks for leading the way. Harvey L. McRae, 838 McKenzie Rd., Kelowna, BC. V1X2B3,
Re: how homemade tinning?
2010-05-23 by Frank P
Eddie, I m new to etching too, so I am going to ask a naive question. The link you provided looks like the tin plating takes place PRIOR to etching. I thought
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Derward Myrick
I said I was the oldest, see I forgot to tell my age. I am 78. Derward Myrick KD5WWI ... From: Derward Myrick To: Homebrew_PCBs@yahoogroups.com Cc: Derward
Re: [Homebrew_PCBs] DLP Double Sided Update
2010-05-23 by Jim
Put the carrier on a rail so it cannot move side to side but still (be adjusted?) move up n down. Then have a raised area (maybe a square) to butt the PCB
Re: light ring conversion for miniature drill press
2010-05-23 by sailingto
Good idea Carl, I like the looks of your mounting. I m looking at the 90mm size (isn t bigger always better?
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Zoran A. Scepanovic
... Hash: SHA1 ... 50 here. - -- Best regards, Zoran A. Scepanovic zastos@gmail.com www.zastos.com www.zastos.biz +381 63 609-993 ... Version: GnuPG v1.4.9
Re: [Homebrew_PCBs] DLP Double Sided Update
2010-05-23 by mlerman@ix.netcom.com
Of course, but if we use black tape or resist tape or a Sharpie to mask off the outer 1/2 inch or so along the edges of the bottom side of the top board and
Re: [Homebrew_PCBs] DLP Double Sided Update
2010-05-23 by Stefan Trethan
Mark, didn t we just make the DS board up of two SS ones stuck together so we avoid printing on the other side? Using two DS boards doesn t seem to help with
Re: [Homebrew_PCBs] DLP Double Sided Update
2010-05-23 by mlerman@ix.netcom.com
As Harvey just said, I think it would be easier to just glue two thin boards together to make a ds board. They don t even have to be the same thickness. If you
Re: [Homebrew_PCBs] drilling trick
2010-05-23 by Slavko Kocjancic
... Carbide drill can easy break if you point it in same hole twice. At least 0.8mm in dia (32 mils)
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Slavko Kocjancic
Is 42 young enought :-)
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-23 by Stefan Trethan
I use CRC SK10. But you can make it up easily from colophony resin and denatured alcohol. I just use the
Re: [Homebrew_PCBs] drilling trick
2010-05-23 by Harvey White
... I use two single sided boards and epoxy them together. Use very stiff pins for the alignment, very tight fit, so the boards cannot wobble. Also use long
Re: DLP files - what format?
2010-05-23 by alienrelics
48. I know there are some 20-somethings here. Steve Greenfield
[Homebrew_PCBs] DLP Double Sided Update
2010-05-23 by Mark Lerman
Well, I ve done some tests trying it the easy way, and while it SHOULD work, it doesn t, at least not consistently. The problem is that both the carrier and
Re: DLP files - what format?
2010-05-23 by Mike R
This is a bit worrying i m 64 are there any real youngsters in this group ??
drilling trick
2010-05-23 by rlspell2000
I used to use a drill press, but the two sides are occasionally mis-aligned. I went to free hand dremel drilling so I could hold it at a slight angle and hit
Re: how homemade tinning?
2010-05-23 by rlspell2000
I use the rosin flux pen. Seems to work pretty good. After a year or so the board will turn a bit brown, but no corrosion, and you can still easily solder on
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Derward Myrick
I must be the old man of the group. Derward Myrick KD5WWI ... From: Donald H Locker To: Homebrew PCBs Sent: Saturday, May 22, 2010 6:53 PM Subject: Re:
light ring conversion for miniature drill press
2010-05-23 by H. Carl Ott
I was starting to have some problems getting good alignment when drilling the smaller holes/pads on some of my home brew pcbs. (larger pads ( 40mils) etched as
RE: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Roger Blair
I’ll wear that dubious honor for the moment @73 years young (until someone more ‘experienced’ speaks up) Roger From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-23 by Harvey L. McRae
O.K. all you kids...You better recpect your elders.....Ha Ha// Does this mean that there is no one out there that can beat my 72 yrs.. Well, I am thankful
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-22 by Donald H Locker
I think I may be the baby - 58 on the 19th of this month. Donald.
Re: [Homebrew_PCBs] DLP Update
2010-05-22 by Donald H Locker
Hello, Mark. Thank you for the great documentation and the fine pictures. I can only hope mine turn out as well. Donald.
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-22 by Harvey L. McRae
O.K. Thanks for the info: Harvey L. McRae, 838 McKenzie Rd., Kelowna, BC. V1X2B3, www.webs.com/harriscreekcentral ... From: Kerry Wentworth To:
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-22 by kabowers@NorthState.net
... One thing to watch out for with electroess plating is to keep everything ABSOLUTELY CLEAN. The slightest hint of contamination and you will have spots 8=(.
Re: DLP files - what format?
2010-05-22 by sailingto
This sure is a good group - I like being the Baby of the bunch..... at 63
Re: how homemade tinning?
2010-05-22 by Dave
... What you really need is an electroless Tin plating solution. You can do a search on electroless tin and you should get some hits, both of commercially
Re: [Homebrew_PCBs] DLP files - what format?
2010-05-22 by Mark Lerman
Well, this is certainly interesting - I m also 66. Mark
#20476
2010-05-22 by Dirk
Hi all, Accidently stumbled into this old thread and can t resist to add some comment on #20476 by josemt1. I have almost exactly the same device and had the
Re: [Homebrew_PCBs] DLP files - what format?
2010-05-22 by Cristian
... I m 66. Cristian [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: DLP files - what format?
2010-05-22 by Mark Lerman
Hi Jim, I guess you could remove the platform and cut it on a table saw, but you would have to do quite a bit more disassembling. I thought it was going to be
Re: [Homebrew_PCBs] how homemade tinning?
2010-05-22 by Leon Heller
Mega Electronics (UK) sells a tinning compound that is mixed with warm water. I bought some, but haven t tried it yet. I find that the small amount of resist
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-22 by Stefan Trethan
If that is your only goal you could also paint it with a solution of rosin flux and alcohol. I bought a large spray can of that stuff and it will do many
Re: [Homebrew_PCBs] how homemade tinning?
2010-05-22 by Eddie Stassen
... I came across this method of electro tin plating recently:
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-22 by Kerry Wentworth
Prevents oxidation of the copper, and flows solder well. Kerry ... -- Kerry Wentworth The Skunk Works 85 N Main St Boscawen, NH 03303 603 753-8933
Re: [Homebrew_PCBs] Re: how homemade tinning?
2010-05-22 by Harvey & Betty McRae
Well, I m new enough to this etching process, that I wish to ask a question.. First, I ll say I am very happy to see a nicely etched board, having good solid
Re: [Homebrew_PCBs] DLP files - what format?
2010-05-22 by Harvey & Betty McRae
Hi young fellow.. I ll keep shovelling the path for you to follow. I m 72 and still going strong.. Check out my web page and you get a glimpse of what keeps
Re: how homemade tinning?
2010-05-22 by James
... I use a product called Tinnit that comes as two powders you mix with water and heat. I ve been eying a bottle of liquid tinning solution that doesn t
[Homebrew_PCBs] Re: DLP files - what format?
2010-05-22 by Jim
... Lord Leon - you re older than dirt!!! Since I just turned 63 as of this May, I m a youngster {grinning} Ken H I m dirtier than Leon ... I ran past 70
Re: DLP files - what format?
2010-05-22 by sailingto
... Lord Leon - you re older than dirt!!! Since I just turned 63 as of this May, I m a youngster {grinning} Ken H
Re: The FAQ, and maybe why there isn't one. Was Re: [Homebrew_PCBs] Re: Best Way to Cut PCB
2010-05-22 by Donald H Locker
There is a big difference between a wiki and a user-editable website. A wiki enables simple and consistent markup, indexes certain pieces of information,
Re: DLP files - what format?
2010-05-22 by James
... It took me quite a few failed attempts to wrap my head around the whole schematic/netlist/PCB concept. I have to say though, once I got the hang of it,
how homemade tinning?
2010-05-21 by Giuseppe
As the subject....how to plate the etched pcb? liquid alloy?
Re: [Homebrew_PCBs] DLP files - what format?
2010-05-21 by Leon Heller
... I m 68. Leon -- Leon Heller G1HSM
Re: [Homebrew_PCBs] DLP files - what format?
2010-05-21 by mlerman@ix.netcom.com
It s bastardized Eagle. I have no patience for drawing schematics the way Eagle wants me to. I just use it as a drawing tool, with no regard for
DLP files - what format?
2010-05-21 by Steve Greenfield
Is this Eagle .sch or Diptrace .sch, or some other program? Thank you, btw, for letting us in on your progress. Steve Greenfield Electronic Engineering
[Homebrew_PCBs] Re: DLP Update
2010-05-21 by Mark Lerman
I ve just uploaded the simple mcu schematic - just an ATtiny13, a resistor, a diode, and a bypass cap. Add an external switch for single sided boards or an
Re: Flip n' Print ? (concept proposal for development)
2010-05-21 by James
... Oh I misread part of the process. I had thought you meant you would lay out the components upside down and pot them in epoxy up to the level of the leads