More paper tests
2006-07-03 by Philip Pemberton
Hi guys, I ve done some more testing with the HP papers. Seems I ve fouled up a bit, though - the current HP Photo Paper is NOT the same as the old C1847A
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Re: [Homebrew_PCBs] Paper cutter for cutting PCB
2006-07-03 by Stefan Trethan
On Mon, 03 Jul 2006 20:06:48 +0200, Leon Heller ... Strangely enough the shearing action doesn not seem to dull the tools very fast. I wouldn t expect any
Re: [Homebrew_PCBs] Paper cutter for cutting PCB
2006-07-03 by Leon Heller
... From: alan00463 To: Sent: Sunday, July 02, 2006 7:10 PM Subject: [Homebrew_PCBs] Paper cutter for
Re: [Homebrew_PCBs] Gerber Layer Polarity Inversion
2006-07-03 by Leon Heller
... From: Cristian To: Sent: Sunday, July 02, 2006 6:41 PM Subject: [Homebrew_PCBs] Gerber Layer Polarity
Re: [Homebrew_PCBs] HP LaserJet 1100 PAPER JAM!!!
2006-07-03 by Leon Heller
... From: Chris To: Sent: Sunday, July 02, 2006 11:52 AM Subject: [Homebrew_PCBs] HP LaserJet 1100
RE : RE : RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-07-03 by Robert Hedan
... James, what paper were you using again? Robert
RE : RE : [Homebrew_PCBs] Re: Toner melting points, pt. 2
2006-07-03 by dagmargoodboat
... remove any ... behind, ... last time I ... finish, it s ... surface ... Thanks to both--what a nice group this is! Here s my update: I ve improved pcb
Re: [Homebrew_PCBs] HP LaserJet 1100 PAPER JAM!!!
2006-07-03 by Philip Pemberton
... There are a few things you could try: 1: Get two sheets of copier paper and sandwich a sheet of photo paper between them. Heat with an iron for a minute or
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-07-03 by Adam Seychell
... You have to use inert anodes, so the chlorine can react with the ion(II) and convert it back to iron(III), ferric. If you use metallic iron anodes then
Reynolds release - anyone ever etch after the transfer?
2006-07-03 by tomservo_9504
I was reading some posts on the reynolds release foil - did anyone ever try etching a board after transferring? If so, how did it go? What printer/etc? I saw
starting threads - Moderator Re: Gerber Layer Polarity Inversion
2006-07-02 by Steve
-Please- do -not- start a new thread by responding to an old one. Even after you change the subject line and delete all visible traces of the original message,
Re: Paper cutter for cutting PCB
2006-07-02 by Wayne C. Gramlich
... There are two kinds of office paper cutters, one with a circular blade and the other with a straight blade that pivots at one end. I have used a straight
Re: [Homebrew_PCBs] Paper cutter for cutting PCB
2006-07-02 by Stefan Trethan
... Some have tried with very good results and some had bad experiences. I use a lever shear, much cheaper than a normal shear, probably even cheaper than a
Re: [Homebrew_PCBs] Easy source for 27% H2O2
2006-07-02 by Stefan Trethan
On Sun, 02 Jul 2006 14:43:36 +0200, tomservo_9504 ... You can get a similar product here, different brand and 24% i think. I don t know how much a gallon is
Paper cutter for cutting PCB
2006-07-02 by alan00463
I realize that a shear is the best way to cut PCB. But I am looking for a cheap way first. Has anybody tried cutting either single or double-sided PCB
Gerber Layer Polarity Inversion
2006-07-02 by Cristian
Hi List Do you know a solution to invert the polarity (from positive to negative) of a Gerber generated file of a PCB layer, independently of any PCB program?
Re: Regenerating Ferric Chloride
2006-07-02 by JW
Why not simply go with using H2O2 (pharmacy grade ~3%) and HCl (available from the HW store in gallon jugs for ~2.50/gallon) Mixed on the spot, and used
Re: Regenerating Ferric Chloride
2006-07-02 by JW
I can only hope that you re joking, and that everyone reading *knows* that you re joking... -jw ... etcher,
Easy source for 27% H2O2
2006-07-02 by tomservo_9504
If you call around your local pool shops, find one that carries baquacil brand pool products - Baqua Shock is 27% H2O2 (and water). Last time I bought some
Re: homebrew laser plotter
2006-07-02 by Andrew
... I was considering air bearings for a little while (the big 50 thousand dollar plotters use them) But decided it sounds like a lot of trouble unless I find
Re: Inkjet printing and board heating
2006-07-02 by Andrew
... HP 1200C inkjet printers (big old ones with i860 CPUs and megs of memory) had 2 heaters in them. One big resistance wire coil just below the print head
HP LaserJet 1100 PAPER JAM!!!
2006-07-02 by Chris
Yo fellas im a newbie so please spare me the ridicule... well ive been tryin out some methods to making homemade pcbs here and i must say this is awesome..
Re: Doing TT with normal paper
2006-07-02 by loco_labs
... a bit more specific about the version or product number for the Epson photo paper? ... I dont know the exact number because that was a while ago but what i
Inkjet printing and board heating
2006-07-02 by javaguy11111
I was reading some research papers on inkjet printing organic devices. Like alot of people here, they have problems with the ink spreading before drying is
File - monthly.txt
2006-07-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change the subject line
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-07-01 by Stefan Trethan
On Sat, 01 Jul 2006 17:12:30 +0200, fenrir_co ... I don t agree. I m no good with chemistry, but as i see it FeCl can not be
Re: [Homebrew_PCBs] Re: Epson cartridge autoreset with micro (was Epson R220 on sale)
2006-07-01 by Stefan Trethan
On Sat, 01 Jul 2006 17:24:37 +0200, fenrir_co ... I thought the same as you do. BUT, the printer _does_ store a copy of the ink level
Re: Epson cartridge autoreset with micro (was Epson R220 on sale)
2006-07-01 by fenrir_co
... Epson printers store the ink level information on the chips, not in the printer. If you take one set of cartridges out of the printer, and put it in
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-07-01 by fenrir_co
... I don t know why this is turning into such a debate - yes, starting with cupric chloride would probably work better - but if you ve already got the FeCl3
Re: [Homebrew_PCBs] Epson cartridge autoreset with micro (was Epson R220 on sale)
2006-07-01 by Stefan Trethan
I did some more testing. It seems the stupid printer really notices if the value in the chips is different from the value in it s own memory. Because i noticed
Re: [Homebrew_PCBs] Epson cartridge autoreset with micro (was Epson R220 on sale)
2006-06-30 by Volkan Sahin
If it is 15us then you don t need to worry about. You are right writing is much slower. You don t need a logic analyzer. Just built a micro connected to clk,
Re: [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Stefan Trethan
The C84 has about 15us reading clock. Writing is much slower, but that is only done when it is powered off. I think eddie just pulled the data line low at the
Re: [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Volkan Sahin
The printer that I am using has a serial clk of 4usec it is fast for a micro and I could not able to write a fast enough interrupt handling routine that can
printer grief
2006-06-30 by Stefan Trethan
This inkjet thing really annoys the hell out of me. Luckily it isn t a hot day today or you d probably find scattered printer parts on the drive outside. Now
A few more paper tests
2006-06-30 by Philip Pemberton
Hi, Just done a few more paper tests - these have been added to the Paper database on the group webpage, but I know not everyone checks that: - HP C1847A HP
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by JanRwl@AOL.COM
In a message dated 6/30/2006 7:56:10 A.M. Central Daylight Time, robert.hedan@videotron.ca writes: I d even go so far as scrapping this FeCl and buying
Re: [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by JanRwl@AOL.COM
In a message dated 6/30/2006 2:36:56 A.M. Central Daylight Time, a_seychell@yahoo.com.au writes: May not be a good idea to do this in the kitchen. Nor in ANY
Re: [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Stefan Trethan
On Fri, 30 Jun 2006 16:53:34 +0200, Volkan Sahin ... You said it must be a fast micro, i m not sure that s the case. That one webpage
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by Dave
... chlorine (from ... think ... scrapping this ... etching ... lamp ... but ... Over the years, I ve wondered about regenerating Ferric Chloride, too. One
Re: homebrew laser plotter
2006-06-30 by loco_labs
Hi, My name is Michael and im from Melbourne. ... I have tried engraving with a 60degree bit into the fibreglass board by hand and if going from the edge its
Re: Epson R220 on sale
2006-06-30 by derekhawkins
... For what it s worth there are 119 reviews by normal users for the C84 at Amazon.com.
RE : [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Robert Hedan
... Stefan, this is one aspect of the project that I d LOVE to help. But Volkan has been quite clear that there are important timing issues in this circuit.
Re: [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Volkan Sahin
Stefan, If it is possible send me your inkjet cartridge data. I can help you if you wish to do your SW. I didn t finalize my circuit it is still using RAM
Re: [Homebrew_PCBs] Epson R220 on sale
2006-06-30 by Stefan Trethan
On Fri, 30 Jun 2006 13:56:57 +0200, mycroft2152 ... I m minutes before finishing the flatbed conversion. I ve worked out a clever (i
Re: RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by Stefan Trethan
On Fri, 30 Jun 2006 14:54:28 +0200, Robert Hedan ... I would prefer to start with a clean CuCl batch anyway, what reason would one have to keep that horrible
Re: Epson R220 on sale
2006-06-30 by lcdpublishing
Just a quick note about this printer... I bought one, it s a good printer and I like it. If you decide to try and run a PCB through on the CD tray, please
RE : [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by Robert Hedan
... I ve once gotten a dose of ammonia (fridge) and another of chlorine (from the pool) and never want to breath toxic fumes like that, ever. I think each one
Epson R220 on sale
2006-06-30 by mycroft2152
The Epson R200 Inkjet printer that also prints CD s is now on sale at the Epson store online. I just ordered one It is factory refurbished. The price $57
Re: [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by Stefan Trethan
On Fri, 30 Jun 2006 09:36:31 +0200, Adam Seychell ... I think if you want to kill yourself there are less painful ways ;-) ST
Re: [Homebrew_PCBs] Regenerating Ferric Chloride
2006-06-30 by Adam Seychell
... How about a bottle of compressed pure chlorine gas ? Just throw a hose going from the regulator mounted on the cylinder, to your bubble etcher, and let it