I'm excited to say the status is now: works great.
On 11/16/06, John Luciani <[EMAIL PROTECTED]> wrote:
On 11/16/06, Jeff VR <[EMAIL PROTECTED]> wrote:
> I just received my boards which are using this TO-263 footprint. They
> should be placing and assembling the board tomorrow but I just wanted
On Sun, Nov 26, 2006 at 10:19:35AM -0500, John Doty wrote:
>
> On Nov 23, 2006, at 2:17 AM, Karel Kulhavy wrote:
>
> >
> >>>
> >>>My application is noise-critical between 1MHz and 10MHz. Would
> >>>BC547C be
> >>>better than 2N3904? I assume it's not a switching transistor.
> >>>
> >>Rather us
Patrick Doyle <[EMAIL PROTECTED]> wrote:
> Does anybody know of a comprehensive (or even a not so comprehensive
> -- at this point I'll settle for anything) list mapping FLASH
> manufacturer/device ID's to devices?
You may want to check the list of device IDs in the Linux MTD driver or
in the U-B
On 11/27/06, Patrick Doyle <[EMAIL PROTECTED]> wrote:
Here's a to which question I'll bet somebody on this list knows an answer...
Of course, I meant "Here's a question to which I'll bet..."
It's been a long day :-)
--wpd
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Here's a to which question I'll bet somebody on this list knows an answer...
Does anybody know of a comprehensive (or even a not so comprehensive
-- at this point I'll settle for anything) list mapping FLASH
manufacturer/device ID's to devices? Right now, I have a single
number, 20005F22, which
> Wow, it's already there! The circles seem small -- is starting with
> a small drill , then using a large one the recommended way to use
> this pcb feature?
The theory is that drill runout is a fixed amount, so larger drills
wouldn't need a physical helper, just a visual target, because
presuma
Wow, it's already there! The circles seem small -- is starting with a small
drill , then using a large one the recommended way to use this pcb feature?
I had to use export to ps to see it... When I used print layout as the pcb
manual suggests, there was no to-file option, (lesstif compile), a
DJ Delorie wrote:
Anyone know how to clean off "no clean" flux?
The flux paste is hot water wash off by Kester and EFD...
so maybe the wire solder flux will also?
For flux paste, HOT is defined as 130 deg F
John G
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g
Tomaz Solc wrote:
In which cases do you use the built-in autorouter?
Recently .
.
.
.
turned out the autorouter failed to route about a third of all nets
and in the end I had to route it by hand.
There is a way to guide the autorouter onto layers by making unwanted ones
invisible, then
joeft wrote:
DJ Delorie wrote:
DJ,
More info on this problem (hopefully useful to others)
I'm not sure why but there were some missing links in /usr/lib to some
of the required shared libraries. In particular, there was no
/usr/lib/libXm.so.
There is however a libXm.so.3.
Just for gr
> The teardrops look very sixties/fifties DJ!
Well, I've never seen any research reports or tutorials on "ideal
teardrop designs" so I did what I thought was pretty and robust. If
it's pretty *and* retro, bonus!
> I have not updated to use them yet, but it will be good to.
The key at the momen
Wojciech Kazubski wrote:
Current "dril helper" option is not usefull since a black dot in the center
creates a bump which will drive a drill bit off the pad/via center.
It is a small circle in the current lesstif version of PCB... Very small -- did
you zoom in?
John G
_
DJ Delorie wrote:
One-day project, so I can play with an R8C mcu:
http://www.delorie.com/pcb/r8c-1b-adapter/
The teardrops look very sixties/fifties DJ! I have not updated to use them yet,
but it will be good to.
John G
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DJ Delorie wrote:
Anyone know how to clean off "no clean" flux?
The flux paste is hot water wash off by Kester and EFD...
so maybe the wire solder flux will also?
John G
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http://www.seul.org/cg
DJ Delorie wrote:
I'm curious. In which cases do you use the built-in autorouter?
When the layout is a jumbled tangle of traces and there's plenty of
room. Or for boards so simple that there's little chance of it
screwing up.
I used auto-routing on my most recent project with pretty good su
On 11/27/06, Stephen Williams <[EMAIL PROTECTED]> wrote:
The creation guide also suggests including the footprint= attribute
to choose the footprint, but that may be obsolete advice given the
arguments past that I've seen on this list.
If there is a one to one relation between the footprint an
> I don't recall ever having the Xaw version on this machine, although
> I've had the GTK version installed for quite a while. Where do I
> look to see if there is a conflicting version of pcb-menu.res?
The easiest way is to use strace:
strace -o /tmp/foo ./pcb-bin
(you can't run it against ju
DJ Delorie wrote:
Perhaps you had an old Xaw version of pcb installed, and its
pcb-menu.res is overriding the built-in lesstif version?
I don't recall ever having the Xaw version on this machine, although
I've had the GTK version installed for quite a while. Where do I look
to see if ther
Perhaps you had an old Xaw version of pcb installed, and its
pcb-menu.res is overriding the built-in lesstif version?
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Hi Stephen,
On Monday 27 November 2006 23:02, Stephen Williams wrote:
> The problem is that my part (TI sn74avca406l) comes from the vendor
> in two different packages, with slightly different pinout and
> footprint. (One package adds a few reserved pins.) Do I just choose
> a pinout and do the bi
DJ Delorie wrote:
#2 0x40127026 in XmStringCreateLocalized (text=0x0) at XmString.c:4427
This looks suspicious. I'll investigate when I get a chance.
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I have a question about creating symbols. In particular, assigning
pin numbers and footprint. The gEDA/gaf Symbol Creation Document
is directing me to give my symbol pins pinseq= and pinnumber=
attributes. I get the point of the pinseq= attribute, but the
pinnumber= is a little bit of a puzzle to
> I'm curious. In which cases do you use the built-in autorouter?
When the layout is a jumbled tangle of traces and there's plenty of
room. Or for boards so simple that there's little chance of it
screwing up.
The m3a board, for example, was 100% hand routed, because it's mostly
busses, which c
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Hash: SHA1
Hi
> I use the built-in one, when I use it at all. Mostly I hand-route.
I'm curious. In which cases do you use the built-in autorouter?
Recently I was trying to use it to make a single-layer PCB for a
keyboard with 54 keys - one of the most simple
Giorgenes Gelatti wrote:
Could it be a printing problem?
Paper changes sizes too. If you're confronted with a humid weather the
paper may go into your laser bigger than it comes out. The length and
width may change size differently as I believe there is some orientation
to the fibers in mo
On Monday 27 November 2006 12:18, DJ Delorie wrote:
> Right, but the user should be able to "throw money" at a
> problem if that's what they need, either spending money to
> purchase a commercial autorouter, or paying someone to write
> a free one. Thus, it would be good to be able to say "PCB
> s
> but don't fall for the trap of a zero-cost restricted proprietary
> one. Such things are a serious threat to the existence of truly
> free software.
Right, but the user should be able to "throw money" at a problem if
that's what they need, either spending money to purchase a commercial
autorou
On Monday 27 November 2006 11:59, DJ Delorie wrote:
> Personally, I'd rather have a GPL'd autorouter, but OTOH
> giving the user the option to license a much more powerful
> one is good too.
but don't fall for the trap of a zero-cost restricted
proprietary one. Such things are a serious threat
> What solution are geda/pcb users using for autorouting?
I use the built-in one, when I use it at all. Mostly I hand-route.
> I've had some conversations with folks at http://www.konekt.com and
> they asked if there would be interest from pcb users in a commercial
> autorouter? It looks like
What solution are geda/pcb users using for autorouting? I've had some
conversations with folks at http://www.konekt.com and they asked if
there would be interest from pcb users in a commercial autorouter? It
looks like they use the DSN format (whatever that is) so a PCB to DSN
translator would b
> Current "dril helper" option is not usefull since a black dot in the
> center creates a bump which will drive a drill bit off the pad/via
> center.
The current drill helper leaves a ring, not a dot.
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On Mon, 27 Nov 2006 16:08:17 +1300, Karl. wrote:
> We used to use isopropyl alcohol (which I believe is the same as rubbing
> alcohol) to soften the flux, then something called Freon TF to wash it
> off.
If this is the solvent made by Dupont, it is not exactly friendly to the
environment. Chlor
On Mon, 2006-11-27 at 10:13 -0200, Giorgenes Gelatti wrote:
> I've checked the datasheet and the footprint and they seem to comply
> to each other. both have a 100 mil distance between the pins.
>
> Could it be a printing problem?
> I'll try to send of photo later, showing the chip over the paper.
On 11/27/06, Giorgenes Gelatti <[EMAIL PROTECTED]> wrote:
I've checked the datasheet and the footprint and they seem to comply
to each other. both have a 100 mil distance between the pins.
In PCB use the 5mil or 10mil grid, zoom in and either count the dots or
use the measure command. If the va
> > What if we made a via shape for ease of non-automated drilling, (for
> > prototyping)? I think a concentric circle of copper to aim the
> > drill bit in and keep it from walking away from the center of the
> > larger via or mounting hole would be helpful.
>
> Have you tried the "drill helper"
I've checked the datasheet and the footprint and they seem to comply
to each other. both have a 100 mil distance between the pins.
Could it be a printing problem?
I'll try to send of photo later, showing the chip over the paper.
Thank you.
2006/11/26, John Luciani <[EMAIL PROTECTED]>:
On 11/26
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