Re: [Homebrew_PCBs] Pantum 2500 hack to direct print toner
2016-10-27 by Mark Lerman
The fuser is not used in the hack, so when the pcb comes out of the printer the toner is held in place by static electricity. You can easily wipe if off with a
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Re: [Homebrew_PCBs] Pantum 2500 hack to direct print toner
2016-10-26 by Rob
what does that mean.... acetone vapor to fuse On 10/26/2016 03:14 PM, Mark Lerman mlerman@ix.netcom.com
Re: [Homebrew_PCBs] Pantum 2500 hack to direct print toner
2016-10-26 by Mark Lerman
It s my Instructable they re quoting. I paid $25 each for a couple of these little printers, including shipping from Newegg. They conversion is relatively
Re: [Homebrew_PCBs] Pantum 2500 hack to direct print toner
2016-10-26 by Jean-Paul Louis
The sad part is that the toner cartridge cost more than a new printer. Jean-Paul N1JPL
Pantum 2500 hack to direct print toner
2016-10-25 by Steve Greenfield
Anyone else see this Hackaday post about hacking a Pantum 2500 to direct print toner on
RE: [Homebrew_PCBs] What software created ASC and APR files
2016-10-22 by soffee83@...
psturpe- Not sure what similarities there are, but I know LTSpice (free) saves circuit sims as .ASC. Take Care
HI-wire II Version 2.2ro cad program
2016-10-20 by Ernie P
Does anyone have any color printer files for using the Parallel printer port or knows a way to use this port for printing color on presently available color
RE: [Homebrew_PCBs] What software created ASC and APR files
2016-10-18 by keith printy
when I worked at an electronics plant the engineers there used Tango there were 2 programs , tango pcb and tango sch . one was the board the other the
Re: [Homebrew_PCBs] What software created ASC and APR files
2016-10-18 by sturpe@...
Aha! I found what I was looking for. The program I used way back when was PC Lite. It created only the PC Board, not a schematic. It used the extension
Re: [Homebrew_PCBs] What software created ASC and APR files
2016-10-18 by Harvey Altstadter
.asc files: http://csulb.libanswers.com/faq/30631 .apr files: http://www.solvusoft.com/en/file-extensions/file-extension-apr/ It looks like the .asc files are
What software created ASC and APR files
2016-10-18 by sturpe@...
When I first started playing around with designing circuit boards I used a program that created files with .asc and .apr extensions. That was about 12 years
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-15 by Roland Harriston
Cold toner transfer: Since my name has been mentioned, I thought I might make a comment: 1. There are many types of toners, using different types of heat
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-14 by alan00463@...
Thank you for sharing your 2 cents, Harvey. I tried cold toner transfer on glossy coupon flyers from McDonalds, but they failed to lift from the paper.
RE: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by keith printy
Ammonium persulfate and ferric chloride work faster if warmed. They would be less dangerous than hcl or nitric but if you are taking precautions while using
Re: Heater for Etchant Bath
2016-10-09 by AncelB
Well, I am in the tropics so I don t heat the etchant. Coldest is about 24 °C. I do etch on top of a bar fridge where I keep my solder paste and assorted
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Rob
sponge paint brush..... I can do that... thank you On 10/09/2016 12:46 AM, Harvey Altstadter hrconsult@cox.net
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Harvey Altstadter
Rob, You could try the sponge type paint brushes. That would get you the sponge effect, and still keep your fingers out of the soup. On 10/8/2016 8:53 PM,
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Dennis Shelgren
Yes, of course gloves and glasses are required when working with anything volatile. On Oct 8, 2016 8:52 PM, Rob roomberg@ptd.net [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Rob
I don t know about sponging hcl.... I m not that brave. I always wear nitrile gloves and glasses but I try to keep distance between the wet work and me. On
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Dennis Shelgren
The hcl/peroxide mix has to be occaisionally regenerated by having air put through it, like an aquarium bubbler/stone. If it s completely activated with
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by Rob
My bottle of muriactic acid is at least 10 years old. I only use about a shot glass of the stuff each time I etch boards. I think thats about 50 ml.... so a
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-09 by soffee83@...
Rob, My guess is it s mainly for ferric chloride and stuff. That mix you and I are using seems to generate its own heat somehow, though I have heated it when
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-08 by Rob
I m confused about the need to warm etchant. I use 100 ml store bought hydrogen peroxide (30% peroxide and 70% water) with 50 ml of storebought muriactic acid
Re: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-08 by leon355@btinternet.com
I used to use two plastic containers, one inside the other. I put the PCB in the inner container, covered it with ferric chloride solution, and put boiling
RE: [Homebrew_PCBs] Re: Heater for Etchant Bath
2016-10-08 by keith printy
When we used to etch boards at work with the ammonium persulfate we used a corningware like an oven safe pan and put it on a small electric hot plate. The
Re: Heater for Etchant Bath
2016-10-08 by soffee83@...
Another glass fish tank heater user here, though I ve switched to mostly muriatic acid/hydrogen peroxide. My only real complaint is that it s got a minimum
Re: Heater for Etchant Bath
2016-10-08 by Tony Fishpool
This works for me also. No problems so far with a fish tank heater. 72/3 Tony G4WIF From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
Re: Heater for Etchant Bath
2016-10-08 by kbyrne10@...
My fish tank heater has a glass bottom that is under the water level. Just do not drain tank till heater totally cools down and is unplugged for shock
Heater for Etchant Bath
2016-10-08 by Mike
Hello, My 100 W GC etchant bath heater has stopped working. The heater was used for my 1.5 gallon ferric chloride bath tank. Would like to replace it, but
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by Harvey Altstadter
Alan, I watched the video, an I am convinced that the Oracal works well with heated transfer, where the heat melts the toner and (hopefully) gets it to stick
RE: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by alan00463@...
MIke N., see this video showing the use of this medium: Toner transfer video using Oracal 651 vinyl: https://www.youtube.com/watch?v=FtmJdCBjwXY
RE: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by K5ESS
Just wondering why you are using ORACAL 651. A brief search didn’t turn up any other postings or web articles using this material for cold transfer. Paper
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by Harvey Altstadter
Alan, The hard rubber brayer is the one. Got it on ebay for a few bucks. I really soak down the back of the paper and let it sit for a while before I roll it.
RE: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by Andrew Volk
I haven’t tried this method, but you keep mentioning that you are using ORACAL 651. That is a vinyl that would not let any solvent penetrate it. It also
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-07 by Cecil Bayona
Sound like you have a toner problem, some third brad toners can be problematic. The toner not melting is your problem you need to use a different toner or a
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-06 by alan00463@...
Tried another transfer using ORACAL 651, using a mixture of half acetone and half denatured alcohol Followed Harvey s directions and burnished the artwork
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-05 by Harvey Altstadter
My toner is for a Brother multifunction laser printer. It is a third party cartridge. I think the issue is similar to the one with the hot methods, in that the
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-05 by Rob
Acetone... ONE to ONE? Wow. when I increased my acetone to anything more than the 16 drops aclcohol to 6 drops of acetone I had drastic resutls real quick
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-05 by Harvey Altstadter
Alan, I use a mixture of 1:1 Acetone and Denatured Alcohol. Both from Home Depot. Both are inexpensive. Skip the grain alcohol, except for celebrating your
Re: [Homebrew_PCBs] Cold toner transfer FAILURE
2016-10-05 by Rob
I could not get consistent results with the cold transfer method using 100% acetone and 90% rubbing alcohol. I used an eyedropper and dropped 16 drops of
Cold toner transfer FAILURE
2016-10-04 by alan00463@...
Tried the cold toner transfer process today using what I had at home, acetone and 80-proof vodka (40% alcohol by volume) for my solvent. Printed the PCB
Re: [Homebrew_PCBs] Re: Cermark Laser marking for PCB resist?
2016-10-04 by Steve Wiseman
On 18 September 2016 at 04:24, alienrelics@yahoo.com [Homebrew_PCBs]
File - monthly.txt
2016-10-01 by Homebrew_PCBs@yahoogroups.com
Monthly Reminder for Homebrew_PCBs list, please read: Messages and threads: Please do NOT start a new thread by replying to another message. Even if you change
Re: [Homebrew_PCBs] DIY Gold Fingers?
2016-09-22 by Jean-Paul Louis
Donald, You are right. It was late, and I was half asleep. E is for Electroless, not Electroplated. And the I is for Immersion. Sorry if I confused some
Re: [Homebrew_PCBs] DIY Gold Fingers?
2016-09-22 by Donald H Locker
ENIG is electroless nickel immersion gold. I presume INIG is immersion nickel immersion gold (I have no specific experience with it). In any case ENIG is does
Re: [Homebrew_PCBs] DIY Gold Fingers?
2016-09-22 by Jean-Paul Louis
I forgot to add a link to an interesting document. I do not have any relationship with the company authoring the documents.
Re: [Homebrew_PCBs] DIY Gold Fingers?
2016-09-22 by Jean-Paul Louis
You cannot deposit gold directly over copper. You need first to deposit a Ni (nickel) barrier. That is why the process is complex and expensive. The industry
Re: DIY Gold Fingers?
2016-09-20 by anickol@...
Sorry to inform you, but there is no simple ans inexpensive way to put gold on copper. I ve got some recipes, which contain materials like gold cyanide,
RE: [Homebrew_PCBs] Re: Cermark Laser marking for PCB resist?
2016-09-20 by Tony Smith
Both Cornelius & myself have what’s known as the $400-ish ‘eBay 40W laser’: https://www.google.com.au/search?q=
RE: [Homebrew_PCBs] Cermark Laser marking for PCB resist?
2016-09-20 by Howard Chester
... Hello Cristian ... certain distance will suffice. ... The mentioned laser module has been discontinued by RS Components. Here is the data sheets folder