On 11 October 2014 02:53, Gene Heskett ghesk...@wdtv.com wrote:
burnt teflon
This advice probably comes far too late, but you need to be _very_
careful with burned teflon. (or any other fluorocarbon).
One product of combustion is Hydrofluoric acid.
From WIkipedia:
Hydrogen fluoride is generated
On 10/11/2014 11:59 AM, andy pugh wrote:
On 11 October 2014 02:53, Gene Heskett ghesk...@wdtv.com wrote:
burnt teflon
This advice probably comes far too late, but you need to be _very_
careful with burned teflon. (or any other fluorocarbon).
One product of combustion is Hydrofluoric acid.
On 10/9/2014 12:36 PM, Gene Heskett wrote:
Dunno, I suppose if one wanted to test the quality of a new and unknown
quality cable it could be useful. But in troubleshooting existing cables,
I have yet to see anything work slicker than a good TDR. You can have a
bullet burnout someplace in a
On 10/9/2014 12:43 PM, Gene Heskett wrote:
I'd lay 99.9% of that right in the laps of the BBLB fans used for cooling.
Decent ball bearing fans will run 10 to 50x longer than a 47 cent sleeve
bearing bought in thousand lots from a street vendor in Shanghai or even
farther west.
Silicone oil,
On Friday 10 October 2014 02:07:41 Gregg Eshelman did opine
And Gene did reply:
On 10/9/2014 12:36 PM, Gene Heskett wrote:
Dunno, I suppose if one wanted to test the quality of a new and
unknown quality cable it could be useful. But in troubleshooting
existing cables, I have yet to see
On Thu, Oct 9, 2014 at 12:33 PM, John Dammeyer jo...@autoartisans.com
wrote:
Were it different and not geek programmer oriented the IBM PC hardware and
Apple
hardware would both be running Linux distributions.
To be fair, Apple is running on a Unix distro, BSD I believe.
Mark
On Thu, Oct 9, 2014 at 7:14 PM, andy pugh bodge...@gmail.com wrote:
On 9 October 2014 19:45, Gene Heskett ghesk...@wdtv.com wrote:
I was soldering the radiator of a 1916 Dennis back together last night
(until 1am) and today I rode my 1921 Ner-a-Car.
But in both cases I had to compile the
On 10/10/14 10:22, Mark Wendt wrote:
Were it different and not geek programmer oriented the IBM PC hardware and
Apple hardware would both be running Linux distributions.
To be fair, Apple is running on a Unix distro, BSD I believe.
On Fri, Oct 10, 2014 at 5:59 AM, Lester Caine les...@lsces.co.uk wrote:
On 10/10/14 10:22, Mark Wendt wrote:
Were it different and not geek programmer oriented the IBM PC hardware
and
Apple hardware would both be running Linux distributions.
To be fair, Apple is running on a Unix
On 10 October 2014 11:08, Mark Wendt wendt.m...@gmail.com wrote:
Nice little chart, but they left a bunch off - SGI Irix, DEC Unix (Tru64),
and a few others.
A/UX and MkLinux are also absent. (Previous Apple Unixes). As is
42-nix (used by
http://en.wikipedia.org/wiki/Whitechapel_Computer_Works
On Fri, Oct 10, 2014 at 6:14 AM, andy pugh bodge...@gmail.com wrote:
On 10 October 2014 11:08, Mark Wendt wendt.m...@gmail.com wrote:
Nice little chart, but they left a bunch off - SGI Irix, DEC Unix
(Tru64),
and a few others.
A/UX and MkLinux are also absent. (Previous Apple Unixes). As
On 10/10/14 11:20, Mark Wendt wrote:
Wasn't NeXt a *nix based OS too?
That is actually the line between FreeBSD and Mac OS X ... one does
wonder if Steve had not been kicked out of Apple would it ever have
existed ;)
--
Lester Caine - G8HFL
-
Contact -
On Fri, Oct 10, 2014 at 6:41 AM, Lester Caine les...@lsces.co.uk wrote:
On 10/10/14 11:20, Mark Wendt wrote:
Wasn't NeXt a *nix based OS too?
That is actually the line between FreeBSD and Mac OS X ... one does
wonder if Steve had not been kicked out of Apple would it ever have
existed ;)
Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Fri, 10 Oct 2014 00:07:41 -0600
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 10/9/2014 12:36 PM, Gene Heskett wrote:
Dunno, I suppose if one wanted to test the quality of a new and unknown
quality cable
On 10/10/2014 09:45 AM, p...@wpnet.us wrote:
If you can TDR from both ends of the cable, knowing the exact VP doesn't
matter. The fault will be in the middle between the two readings. I've used
this to find faults in twisted pair audio cable using a coax TDR.
Also, if the far end is not
On Friday 10 October 2014 12:15:34 Jon Elson did opine
And Gene did reply:
On 10/10/2014 09:45 AM, p...@wpnet.us wrote:
If you can TDR from both ends of the cable, knowing the exact VP
doesn't matter. The fault will be in the middle between the two
readings. I've used this to find faults in
On 08.10.14 09:06, John Dammeyer wrote:
Windows 3.11 to Win95 orphaned the product two months after I bought it.
...
I also own a 32 channel logic analyzer pod that runs off the parallel port.
Last time I was using it was WIN-98 or maybe XP. I wrote custom DLL code for
it to do CAN bus
On 9 October 2014 07:02, Erik Christiansen dva...@internode.on.net wrote:
Just an observation that these little pocket scopes and logic analyzers have
a very short lifetime.
Yup, when the host is M$-based, that's particularly true.
That seems a little unfair. How long did MS support XP for?
On 08/10/14 23:05, John Dammeyer wrote:
Sorry. 3GHz. Not MHz.
Something that popped up on my in box ...
https://www.coolcomponents.co.uk/rf-explorer-signal-generator-rfe6gen.html
... 24MHz to 6GHz controlled by the PC :)
--
Lester Caine - G8HFL
-
Contact -
On 09.10.14 10:51, andy pugh wrote:
On 9 October 2014 07:02, Erik Christiansen dva...@internode.on.net wrote:
Just an observation that these little pocket scopes and logic analyzers
have
a very short lifetime.
Yup, when the host is M$-based, that's particularly true.
That seems a
-Original Message-
From: Lester Caine [mailto:les...@lsces.co.uk]
Sent: October-09-14 3:28 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 08/10/14 23:05, John Dammeyer wrote:
Sorry. 3GHz. Not MHz.
Something that popped
[mailto:bodge...@gmail.com]
Sent: October-09-14 2:51 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 9 October 2014 07:02, Erik Christiansen dva...@internode.on.net
wrote:
Just an observation that these little pocket scopes
] Oscilloscope + logic analyzer (PC based)
On 9 October 2014 07:02, Erik Christiansen dva...@internode.on.net
wrote:
Just an observation that these little pocket scopes and logic
analyzers
have
a very short lifetime.
Yup, when the host is M$-based, that's particularly true
On 9 October 2014 17:33, John Dammeyer jo...@autoartisans.com wrote:
I can still get parts for my Sears Drill Press purchased in 1983. I'm
pretty sure I can fit new bearings and other pieces onto my 1935 Delta Band
Saw. Granted my South Bend 10L is no longer made it's still repairable and
it
CD ROMs have a life. The information does degrade. When was the last time
you pulled out that CD with pictures of your children's birth or 1st
birthday and rewrote them to a new CD. The sheer volume of photographs
makes organizing them tedious and therefore unlikely. When you die will
...@lsces.co.uk]
Sent: October-09-14 3:28 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 08/10/14 23:05, John Dammeyer wrote:
Sorry. 3GHz. Not MHz.
Something that popped up on my in box ...
https
-09-14 2:51 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 9 October 2014 07:02, Erik Christiansen
dva...@internode.on.net
wrote:
Just an observation that these little pocket scopes and logic
analyzers
On Thursday 09 October 2014 13:05:48 andy pugh did opine
And Gene did reply:
On 9 October 2014 17:33, John Dammeyer jo...@autoartisans.com wrote:
I can still get parts for my Sears Drill Press purchased in 1983.
I'm pretty sure I can fit new bearings and other pieces onto my 1935
Delta
On 9 October 2014 19:45, Gene Heskett ghesk...@wdtv.com wrote:
I was soldering the radiator of a 1916 Dennis back together last night
(until 1am) and today I rode my 1921 Ner-a-Car.
But in both cases I had to compile the parts from source. Often using
LinuxCNC.
Pix Andy, gotta have the
On Thursday 09 October 2014 19:14:27 andy pugh did opine
And Gene did reply:
On 9 October 2014 19:45, Gene Heskett ghesk...@wdtv.com wrote:
I was soldering the radiator of a 1916 Dennis back together last
night (until 1am) and today I rode my 1921 Ner-a-Car.
But in both cases I had to
On 10/09/2014 06:14 PM, Gene Heskett wrote:
... snip
old biker with many sets of worn out Dunlaps on my resume, I was hoping to
see the Ner-a-Car in action.
Cheers, Gene Heskett
https://www.youtube.com/watch?v=mpHFVzwwZWs
--
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
On Thursday 09 October 2014 21:30:40 Kirk Wallace did opine
And Gene did reply:
On 10/09/2014 06:14 PM, Gene Heskett wrote:
... snip
old biker with many sets of worn out Dunlaps on my resume, I was
hoping to see the Ner-a-Car in action.
Cheers, Gene Heskett
Good Day All
Many thanks for the pictures and keeping the old skills alive.
john
From: bodge...@gmail.com
Date: Fri, 10 Oct 2014 00:14:27 +0100
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 9 October 2014 19:45, Gene Heskett ghesk
On 10/9/2014 11:32 AM, JHC wrote:
I had occasion to re-burn some old discs a while ago, several were from
the era of single speed CDRs, and I foolishly put them in a drive that
can read at 52x.
Second disc in literally exploded. Very loudly.
I still have the very first CD-R I ever burned.
On Tue, Oct 07, 2014 at 08:23:42PM -0500, Jon Elson wrote:
On 10/07/2014 11:13 AM, Jeff Epler wrote:
I have one of those devices. I'm not satisfied with it.
OK, I'm so spoiled by big iron Tektronix logic analyzers,
I might find it
a problem. But, the pocket size is sure a plus. How
On 10/08/2014 07:57 AM, Jeff Epler wrote:
On Tue, Oct 07, 2014 at 08:23:42PM -0500, Jon Elson wrote:
On 10/07/2014 11:13 AM, Jeff Epler wrote:
I have one of those devices. I'm not satisfied with it.
OK, I'm so spoiled by big iron Tektronix logic analyzers,
I might find it
a problem. But,
[mailto:el...@pico-systems.com]
Sent: October-07-14 6:24 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
On 10/07/2014 11:13 AM, Jeff Epler wrote:
I have one of those devices. I'm not satisfied with it.
OK, I'm so spoiled by big iron
From: John Dammeyer [jo...@autoartisans.com]
Sent: Wednesday, October 08, 2014 9:06 AM
To: 'Enhanced Machine Controller (EMC)'
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
I own an EPROM/PAL programmer that runs off the parallel port. At the time
to get the PAL feature I
Schwartz.
John
-Original Message-
From: Ralph Stirling [mailto:ralph.stirl...@wallawalla.edu]
Sent: October-08-14 9:56 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
It gets more complicated, though. We have a lab full
Dammeyerjo...@autoartisans.com
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
To: 'Enhanced Machine Controller \(EMC\)'
emc-users@lists.sourceforge.net
Message-ID:08f601cfe311$d9095390$8b1bfab0$@autoartisans.com
Content-Type: text/plain; charset=us-ascii
I own
On Wednesday 08 October 2014 14:01:10 John Dammeyer did opine
And Gene did reply:
Yeah. The replacement scope for my GOULD was a TEK TDS3032 with floppy
drive. Takes as much as a minute to capture the screen. Getting
harder to read those floppies from Windows Systems. Not really
possible
on the PC so there's no pseudo ground or weird ground connection. And the
PC software has been useful.
John
-Original Message-
From: Gene Heskett [mailto:ghesk...@wdtv.com]
Sent: October-08-14 1:53 PM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Oscilloscope + logic
Sorry. 3GHz. Not MHz.
True. My RS FSH3 with hardware and software modules was close to $15K
US
10 years ago and it's only good to 3MHz but is a useful tool. Just no
longer battery operated and if unplugged loses all the setup information.
It's linkage into the PC is through an optical
Hello!
I was thinking that I should get some oscilloscope for basic tasks.
A guy shared this particular item:
http://www.ebay.com/itm/281433619616
I would appreciate any experience about this kind of device - PC based
oscilloscope combined with logic analyzer. It is fine for me to have
laptop
On Tuesday 07 October 2014 03:44:41 Viesturs Lācis did opine
And Gene did reply:
Hello!
I was thinking that I should get some oscilloscope for basic tasks.
A guy shared this particular item:
http://www.ebay.com/itm/281433619616
I would appreciate any experience about this kind of device -
On Tue, Oct 7, 2014 at 3:44 AM, Viesturs Lācis viesturs.la...@gmail.com
wrote:
Hello!
I was thinking that I should get some oscilloscope for basic tasks.
A guy shared this particular item:
http://www.ebay.com/itm/281433619616
I would appreciate any experience about this kind of device - PC
Here it is a Aliexpress - No feedback as yet.
http://www.aliexpress.com/item/Free-shipping-Hantek-6022BL-2-Channel-PC-USB-Based-Oscilloscope-20MHz-S707/2039383627.html
Found another one with good feedback. Much more expensive !!!
On 7 October 2014 10:14, Mark Wendt wendt.m...@gmail.com wrote:
I'm with Gene. For a bench top setup, where you don't have to lug that
around, it'll probably be okay. Then there's the issue where the software
runs under The Virus That Masquerades As An Operating System, Windoze.
Pico (the
On Tue, Oct 7, 2014 at 5:53 AM, andy pugh bodge...@gmail.com wrote:
On 7 October 2014 10:14, Mark Wendt wendt.m...@gmail.com wrote:
I'm with Gene. For a bench top setup, where you don't have to lug that
around, it'll probably be okay. Then there's the issue where the
software
runs under
2014-10-07 12:14 GMT+03:00 Mark Wendt wendt.m...@gmail.com:
Then there's the issue where the software
runs under The Virus That Masquerades As An Operating System, Windoze.
Since I use my laptop for 3D modelling, that is my only PC with
non-ubuntu OS (I am not yet aware of any decent 3D CAD
On 7 Oct 2014, at 11:11, Viesturs Lācis wrote:
Since I use my laptop for 3D modelling, that is my only PC with
non-ubuntu OS (I am not yet aware of any decent 3D CAD application
that would work on Linux), so OS is not an issue at the moment, it has
Ubuntu as well.
OpenSCAD. Works for me; more
On 7 October 2014 11:11, Viesturs Lācis viesturs.la...@gmail.com wrote:
If you have the money they go to 20 GHz
The price list I found had nothing below 10K EUR...
http://www.picotech.com/entry-level-oscilloscopes.html ?
--
atp
If you can't fix it, you don't own it.
2014-10-07 12:01 GMT+03:00 Erik Christiansen dva...@internode.on.net:
Viesturs, if the logic analyser is a requirement, then something like
the Bitscope that I use might be an option.
Is it this one?
I found also these links in mail list archive:
http://www.lab-nation.com
On 7 October 2014 11:55, Viesturs Lācis viesturs.la...@gmail.com wrote:
I found also these links in mail list archive:
http://www.lab-nation.com
http://redpitaya.com/?skip_intro=yes
Anyone got any experience with them?
The LabNation item seems nice (and ordering from within EU would be
On 07.10.14 13:11, Viesturs Lācis wrote:
2014-10-07 12:01 GMT+03:00 Erik Christiansen dva...@internode.on.net:
Viesturs, if the logic analyser is a requirement, then something like
the Bitscope that I use might be an option.
Could you, please, share exact model number, so that I can look
-Original Message-
From: Viesturs Lācis [mailto:viesturs.la...@gmail.com]
Sent: 07 October 2014 12:11 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
2014-10-07 12:14 GMT+03:00 Mark Wendt wendt.m...@gmail.com:
Then there's the issue
Christiansen dva...@internode.on.net Subject: Re: [Emc-users]
Oscilloscope + logic analyzer (PC based) To:
emc-users@lists.sourceforge.net Message-ID:
20141007090124.GB2958@ratatosk Content-Type: text/plain;
charset=utf-8 On 07.10.14 05:14, Mark Wendt wrote:
wrote:
Hello!
I
On Tuesday 07 October 2014 06:11:04 Viesturs Lācis did opine
And Gene did reply:
2014-10-07 12:14 GMT+03:00 Mark Wendt wendt.m...@gmail.com:
Then there's the issue where the software
runs under The Virus That Masquerades As An Operating System,
Windoze.
Since I use my laptop for 3D
...@lists.sourceforge.net wrote:
Message: 5 Date: Tue, 7 Oct 2014 20:01:25 +1100 From: Erik
Christiansen dva...@internode.on.net Subject: Re: [Emc-users]
Oscilloscope + logic analyzer (PC based) To:
emc-users@lists.sourceforge.net Message-ID:
20141007090124.GB2958@ratatosk Content-Type: text/plain
a lot smarter.
-Original Message-
From: Viesturs Lâcis [mailto:viesturs.la...@gmail.com]
Sent: 07 October 2014 12:11 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Oscilloscope + logic analyzer (PC based)
2014-10-07 12:14 GMT+03:00 Mark Wendt wendt.m...@gmail.com
On 07.10.14 09:14, Gene Heskett wrote:
But recognizing that clipping is something that generally comes from 60+
years of using a scope that can show you that stuff. And that is
something a logic analyzer simply isn't capable of doing until the
condition actually forces a repeatable logic
On Tuesday 07 October 2014 09:03:34 Erik Christiansen did opine
And Gene did reply:
On 07.10.14 09:14, Gene Heskett wrote:
But recognizing that clipping is something that generally comes from
60+ years of using a scope that can show you that stuff. And that
is something a logic analyzer
On 10/07/2014 05:55 AM, bruno wrote:
for logic analyzer, I use the Open Bench Logic sniffer.
Extremely capable:
* Capture 50MHz+ waveforms on 32 channels
o 200Msps captures up to 100MHz waveforms on 16 channels
o 100Msps captures up to 50MHz waveforms on 32 channels
open
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
The Rigol DS1052E oscilloscope isnt too bad, has USB host and device as
well as RS232 so you can dump traces into Excel or whatever.
They are about $300.
The really nice thing is that you can use a modified firmware to make it
100Mhz instead of the
I have one of those devices. I'm not satisfied with it.
First, the good: the java interface does work in Linux. And it is
pretty cheap.
The bad: almost everything else. I was particularly frustrated when I
was initially trying to debug my 1.8V5V level shifter hm2_spi
driver this summer.
The
of this device, I just
find it awesome :-)
On 10/7/14 3:28 PM, emc-users-requ...@lists.sourceforge.net wrote:
Message: 6 Date: Tue, 7 Oct 2014 09:28:20 -0400 From: Gene Heskett
ghesk...@wdtv.com Subject: Re: [Emc-users] Oscilloscope + logic
analyzer (PC based) To: emc-users@lists.sourceforge.net
It says it runs in Linux on the dangerousprototypes site.
I have a Logic 8 from https://www.saleae.com/ When I got it a few years ago
they were $149. It has linux software and has been a very nice and handy
little
tool.
That OpenBench Logic sniffer looks pretty nice though - and cheap!
/Various_update_applications_for_the_Open_Logic_Sniffer
On 10/7/14 5:50 PM, emc-users-requ...@lists.sourceforge.net wrote:
Message: 6 Date: Tue, 07 Oct 2014 10:50:00 -0500 From: Jon Elson
el...@pico-systems.com Subject: Re: [Emc-users] Oscilloscope + logic
analyzer (PC based) To: Enhanced Machine Controller (EMC)
emc-users
On Tuesday 07 October 2014 11:50:00 Jon Elson did opine
And Gene did reply:
On 10/07/2014 05:55 AM, bruno wrote:
for logic analyzer, I use the Open Bench Logic sniffer.
Extremely capable:
* Capture 50MHz+ waveforms on 32 channels
o 200Msps captures up to 100MHz
On 10/07/2014 11:13 AM, Jeff Epler wrote:
I have one of those devices. I'm not satisfied with it.
OK, I'm so spoiled by big iron Tektronix logic analyzers,
I might find it
a problem. But, the pocket size is sure a plus. How long
does it take
to format the display after a trigger? (My
I'm pretty happy with my MSO-19 from Link Instruments. It's only got 1
channel but it does have 8 logic lines and a signal generator. When I'm in
the field I'm carrying a laptop anyway, so tossing this thing into the
laptop bag is a no brainer. The software is Windows, and is pretty good.
They
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