Re: Which program/s can "Tile" PCB's
2003-10-14 by Dave Mucha
... about ... all ... TILE ... I think the term is pallatize. same board, rubberstamped on the pcb. most houses frown on that as people try to make one small
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Re: [Homebrew_PCBs] aluminium trays for developing/etching
2003-10-14 by Stefan Trethan
what if the etchant eats it up? i always use plastic stefan On Tue, 14 Oct 2003 17:28:58 -0000, zohar_golan
Which program/s can "Tile" PCB's
2003-10-14 by Dean Batute
Hello all, I ve enjoyed following along with all the conversations about PCB design software. I m getting close to being ready to transfer all my hand drawn
Re: [Homebrew_PCBs] aluminium trays for developing/etching
2003-10-14 by Adam Seychell
developing what ? If NaOH, then no. Washing is ok. Persulfate etching might be ok for short while, or only until the aluminum oxide layer holds out. FeCl3,
aluminium trays for developing/etching
2003-10-14 by zohar_golan
Hi, Did anybody use the disposable aluminium trays (the one you use for food) for the developing, washing and etching of a PCB? Thanks Zohar
Re: [Homebrew_PCBs] free standard PCB software
2003-10-14 by Xtian Xultz
On Tue, 14 Oct 2003 09:30:58 -0700 ... gEDA IMHO is the best free and open source program for schematic capture. These board was made in a professional house,
Re: [Homebrew_PCBs] free standard PCB software
2003-10-14 by Ted Huntington
Nice looking boards! Those look like a professional house did them, and that they are all 2 layer (plus the silk screen). PCB is the program I want to try
Re: Toner temp question
2003-10-14 by grantfair2001
You could try contacting HP. The right person will be able to tell you. Grant
Re: [Homebrew_PCBs] free standard PCB software
2003-10-14 by Xtian Xultz
On Mon, 13 Oct 2003 08:57:03 -0700 ... I am using gEDA and PCB under Linux, with very good results. I have some pictures of boards I made (scanned images) at
Re: Toner temp question
2003-10-14 by basic_cnc
Toner transfer depends on other things too (pressure, board cleanliness, board type, etc). I had to do several trial & error to come up with consistent
Re: [Homebrew_PCBs] PNP Blue & DS
2003-10-14 by JanRwl@AOL.COM
In a message dated 10/13/2003 7:55:11 PM Central Standard Time, pminmo@charter.net writes: PNP Blue for double sided What IS that? Can NPN transistors be
Toner temp question
2003-10-14 by Moore
I understand different laser use different temperature toners. I m using a HP 6P, did a google search to find out temperature for toner transfer, no luck.
PNP Blue & DS
2003-10-14 by Moore
Anybody out there use PNP Blue for double sided boards? If so suggestions? Thanks, Phil
Re: [Homebrew_PCBs] Etchant Temperature
2003-10-14 by JanRwl@AOL.COM
In a message dated 10/13/2003 4:19:10 PM Central Standard Time, pminmo@charter.net writes: What temperature does Ferric chloride need to be heated too for
Re: [Homebrew_PCBs] Etchant Temperature
2003-10-14 by Adam Seychell
In general most chemical reaction rates double every 10 degrees centigrade increase. Not sure if this applies to ferric chloride etching. I remember CuCl2
Re: [Homebrew_PCBs] free standard PCB software
2003-10-13 by Ted Huntington
Thanks, I thought that the Pulsonix was 30-day only. But perhaps, then the 100 pin limit is in effect. Ted ... ADVERTISEMENT [Click Here!] ... -- Ted
Re: [Homebrew_PCBs] Etchant Temperature
2003-10-13 by Stefan Trethan
About 50 degree celsius (if i remember correct). There is a temperature above it gets dangerous (fumes or so). Use google, i m sure you will find the exact
Etchant Temperature
2003-10-13 by Moore
What temperature does Ferric chloride need to be heated too for improved etch times? Thanks, Phil
Re: [Homebrew_PCBs] free standard PCB software
2003-10-13 by Leon Heller
... The Pulsonix demo is good for
Re: [Homebrew_PCBs] free standard PCB software
2003-10-13 by Ted Huntington
thanks Leon, very interesting to read. Pulsonix does not offer a free
Re: CNC controller - port pin pullups/downs?
2003-10-13 by ghidera2000
I got it sorted out now. Was a bit confused by something I read on parallel ports. Its desciption made it sound like the port wasn t good at logic high and was
Re: free standard PCB software and art
2003-10-13 by ghidera2000
... to ... out ... resistors ... not flow ... lines ... and ... very ... Yep, I no longer use the representative schematic parts. I make all my schematic
Re: CNC controller - port pin pullups/downs?
2003-10-12 by Dave Mucha
... I m not following this exactly, but as I understand the step signals are generated in software and pulse the chip. the chip sees a high or low as the
Re: free standard PCB software and art
2003-10-12 by Dave Mucha
most Autorouters (the ones i have seen) are not capable of exchanging ... equal ... (the ... component ... good (for ... each ... aligned ... exclusion ...
Re: [Homebrew_PCBs] free standard PCB software
2003-10-12 by Leon Heller
... It s a good idea to check any parts from provided libraries very thoroughly before using them, they occasionally have errors. Most people define their own,
Re: [Homebrew_PCBs] CNC controller - port pin pullups/downs?
2003-10-12 by Stefan Trethan
On Sun, 12 Oct 2003 03:11:09 -0000, ghidera2000 ... parallel port drives high.. I know some which have connected leds direct to it and
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-12 by Ron Amundson
... From: Tom Benedict To: Homebrew_PCBs@yahoogroups.com Sent: Thursday, October 09, 2003 2:42 PM Subject: Re: [Homebrew_PCBs] Re: Lindsey publications to EU I
CNC controller - port pin pullups/downs?
2003-10-12 by ghidera2000
I m just finishing up the design for an A3977SED based controller board but I m a bit confused about the parallel port connections. Can the parallel port drive
Re: [Homebrew_PCBs] Re: free standard PCB software
2003-10-11 by Stefan Trethan
On Sat, 11 Oct 2003 15:33:29 -0000, ghidera2000 ... no, I may have described it wrong. This is not at all what i wanted to say. I m not
Re: free standard PCB software
2003-10-11 by ghidera2000
Is that artistic or simply an obsessive compulsive disorder? :D I ll take shortest path with the least number of vias over neat looking every time. Lining up
Re: [Homebrew_PCBs] Re: free standard PCB software
2003-10-11 by Stefan Trethan
On Sat, 11 Oct 2003 03:19:01 -0000, Dave Mucha ... Also most Autorouters (the ones i have seen) are not capable of exchanging functional
Re: free standard PCB software
2003-10-11 by Dave Mucha
... I never thought of it as art, but the simplicty is that an autorouter will take your miost sensitive input lead and twist it around your AC lines to get it
Re: [Homebrew_PCBs] free standard PCB software
2003-10-10 by Stefan Trethan
On Fri, 10 Oct 2003 11:24:33 -0700, Ted Huntington ... But please, also try to route by hand.. The autorouters are nice, but all i have seen
free standard PCB software
2003-10-10 by Ted Huntington
Thanks Dave, so WinQCad is easier than Eagle, and you do not hear about people using Protel (light) often. There is a program for linux at pcb.sourceforge.net,
Re: For those of you in Silicon Valley
2003-10-10 by Neal Greenberg
I must apologize to all of you. I missed the questions and comments about the Schmartboard product posted on 9/18 and 9/19. I d also like to let you know
Re: [Homebrew_PCBs] Re: SchmartBOARD
2003-10-10 by Stefan Trethan
I didn t.. I still assume he put us on his automated mail list... st (change your subjects) On Fri, 10 Oct 2003 00:12:34 -0000, Dave Mucha
Re: Lindsey publications to EU
2003-10-10 by Dave Mucha
... Eagle and WinQCad both offer free demo versions that allow you a limited package. I am using Qcad as it seems to be much easier. the demo if fully
Re: SchmartBOARD
2003-10-10 by Dave Mucha
Anybody e-mail this guy ? if I remember correctly, he posted and ran off and dind t answer questions. Dave ... will
SchmartBOARD
2003-10-09 by Neal Greenberg
For those who e-mailed me about our new prototyping product, the Schmartboard product is now shipping. The product is avaiable at www.schmartboard.com now.
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-09 by Ted Huntington
I am new to making my own PCBs, is there free software that is a standard (I use Linux and Windows XP)? I have heard of Eagle and Protel, I see that Gerber
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-09 by Tom Benedict
USPS Global Express from anywhere in the US to anywhere in Austria is: Large Flat-Rate Envelope $9US Variable Weight $12 This is assuming the books weigh in at
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-09 by Stefan Trethan
On Thu, 9 Oct 2 ... Thanks for your offer, but i just talked yesterday with a friend about those books. I remembered he buyed his laptop in the US (it was WAY
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-09 by Tom Benedict
I think it depends on the shipping method. I ve sent hardware to a number of countries with no problems whatsoever, using the normal ol postal service. UPS
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine motors - electronics to drive them
2003-10-09 by Stefan Trethan
the linistepper looks very interesting.. sure a very good choice if microstepping is needed... Maybe i will build it, some day.. but i think i may set up
Re: [Homebrew_PCBs] Re: Lindsey publications to EU
2003-10-09 by Ron Amundson
... I wonder why no one sells them, I ve shipped a lot of books to the EU over the years, and usually shipping is not all that bad, but there are exceptions.
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine motors - electronics to drive them
2003-10-09 by Stefan Trethan
... The pinout again.... Thanks.. If you ever need pinouts for older components (new also but you can pdf datasheets for those) download this software:
Re: HomeBrew CNC machine motors - electronics to drive them
2003-10-09 by Dave Mucha
-- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan ... http://www.schematicsforfree.com/misc_circuits/Controlling_Stepper_Mot ... and went ... Guess this not
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine motors - electronics to drive them
2003-10-09 by Stefan Trethan
On Wed, 08 Oct 2003 21:51:50 -0000, Dave Mucha ... Thanks for the pdf Dave, i fear I had it already... It doesn t say too much (the
Re: photoresist
2003-10-09 by mdr911
Thank you very for your replies. Thank you for the reply. I have seen a spray photoresist in RS components. they are selling it for around 15$(US). I ll try to
Re: HomeBrew CNC machine motors
2003-10-09 by Steve
Old Apple Imagewriter II dot matrix printers have a NEMA 23 motor, rated at 5V (forgot what the current is) and via a balance I tested several to 60oz-in