Re: [Emc-users] Does replying to old threads go straight to the spam bin?
On 11/11/2012 1:14 AM, Gene Heskett wrote: On Sunday 11 November 2012 01:12:07 Jon Elson did opine: On Sat, Nov 10, 2012 at 3:41 PM, Jason Burton lathebuil...@gmail.com wrote: The archive shows them as marked as spam. If your sig line contains a URL, or there is one included in the message body to reference an external web page, that will often trigger the marked as spam condition. (At least, those are the rules Yahoo groups seems to use.) Jon Which is an odd statement considering that the _only_ links in the sig or footer of Jasons msgs, were put there by this mail server. See below for the example. True, Gene, but Jon was just citing Yahoo groups as an example (besides, the sourceforge server checks the email *before* it adds the crap that allows us to use these lists free of charge). We don't know the details of the sourceforge list server. Jason - you are using gmail.com as your mail host just as I am. You should know that many spammers use gmail.com and many other mail handlers aren't very happy with it. Case in point, I'm looking at the headers of your original message and I see the following (inserted by sourceforge; this is just the first few lines) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (lathebuilder[at]gmail.com) More than once, I've had temporary trouble communicating with this list from my gmail account. It was much worse with my old ISP-provided account. It got blackballed which is why I had to switch to gmail. If your messages are being rejected by the list server, you should be receiving explanatory responses in your mailbox as I have. Regards, Kent -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] A PS Re: Does replying to old threads go straight to the spam bin?
More than once, I've had temporary trouble communicating with this list from my gmail account. It was much worse with my old ISP-provided account. It got blackballed which is why I had to switch to gmail. If your messages are being rejected by the list server, you should be receiving explanatory responses in your mailbox as I have. I forgot to mention that, after you subscribe to emc-users, you can set your account preferences so the list server sends you an acknowledgement [SIC]* every time you post to the list. If your post is successful, you get a message with the subject line Emc-users post acknowledgement and a body like Your message entitled Re: [Emc-users] Does replying to old threads go straight to the spam bin? was successfully received by the Emc-users mailing list. List info page:https://lists.sourceforge.net/lists/listinfo/emc-users Your preferences:https://lists.sourceforge.net/lists/options/emc-users/kentallanreed%40gmail.com I find this useful. Regards, Kent *Damned Internet spelling. I used to get dinged by my teachers and later by my editors every time I added an e to acknowledgment. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Does replying to old threads go straight to the spam bin?
On 11/11/2012 12:14 AM, Gene Heskett wrote: On Sunday 11 November 2012 01:12:07 Jon Elson did opine: If your sig line contains a URL, or there is one included in the message body to reference an external web page, that will often trigger the marked as spam condition. (At least, those are the rules Yahoo groups seems to use.) Jon Which is an odd statement considering that the _only_ links in the sig or footer of Jasons msgs, were put there by this mail server. See below for the example. Yes, every mailing list server has their own set of rules for how to tag spam, and they change them from time to time. I'm a moderator of the Atlas/Craftsman Yahoo group and I have never fully understood how their rules work. Some messages have plain URLs in them, and I assume that is why. Others have no URL, so I'm guessing they contain some keyword that Yahoo is using to ID spam that week. I have to OK all suspected spam to clear it for posting, so I get to make the final discrimination. And, most of what they tag is OK. Jon -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Does replying to old threads go straight to the spam bin?
On Sunday 11 November 2012 11:11:07 Kent A. Reed did opine: On 11/11/2012 1:14 AM, Gene Heskett wrote: On Sunday 11 November 2012 01:12:07 Jon Elson did opine: On Sat, Nov 10, 2012 at 3:41 PM, Jason Burton lathebuil...@gmail.com wrote: The archive shows them as marked as spam. If your sig line contains a URL, or there is one included in the message body to reference an external web page, that will often trigger the marked as spam condition. (At least, those are the rules Yahoo groups seems to use.) Jon Which is an odd statement considering that the _only_ links in the sig or footer of Jasons msgs, were put there by this mail server. See below for the example. True, Gene, but Jon was just citing Yahoo groups as an example (besides, the sourceforge server checks the email *before* it adds the crap that allows us to use these lists free of charge). We don't know the details of the sourceforge list server. Jason - you are using gmail.com as your mail host just as I am. You should know that many spammers use gmail.com and many other mail handlers aren't very happy with it. Case in point, I'm looking at the headers of your original message and I see the following (inserted by sourceforge; this is just the first few lines) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (lathebuilder[at]gmail.com) More than once, I've had temporary trouble communicating with this list from my gmail account. It was much worse with my old ISP-provided account. It got blackballed which is why I had to switch to gmail. If your messages are being rejected by the list server, you should be receiving explanatory responses in your mailbox as I have. Regards, Kent I have a gmail account (who doesn't) but have largely migrated off it, mainly because there is no echo to indicate that my messages even get to a list, so it, unless someone replies, always looks as if my message was dumped. I want that echo to prove to me the messages were delivered TO the list by getting that posting back as a receipt. So I use gmail very little anymore. And I have never used my IPS's email server as their max pw length is 5 characters. 'scuse me! Bunch of arrogant nincompoops IMO. I have a longer, but still probably quickly crackable pw at my former place of employment, an account that will be active for me till I pass. Its on big iron as lots of video is moved thru it, so my text traffic, verbose as it is at times, doesn't bother that qmail server a bit. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene is up! Double *sigh*. _04 is going onto thousands of CDs even as we speak, so to speak. -- Larry Wall in 199710221718.kaa24...@wall.org -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] A PS Re: Does replying to old threads go straight to the spam bin?
On Sunday 11 November 2012 11:24:11 Kent A. Reed did opine: More than once, I've had temporary trouble communicating with this list from my gmail account. It was much worse with my old ISP-provided account. It got blackballed which is why I had to switch to gmail. If your messages are being rejected by the list server, you should be receiving explanatory responses in your mailbox as I have. I forgot to mention that, after you subscribe to emc-users, you can set your account preferences so the list server sends you an acknowledgement [SIC]* every time you post to the list. If your post is successful, you get a message with the subject line Emc-users post acknowledgement and a body like Your message entitled Re: [Emc-users] Does replying to old threads go straight to the spam bin? was successfully received by the Emc-users mailing list. List info page:https://lists.sourceforge.net/lists/listinfo/emc-users Your preferences:https://lists.sourceforge.net/lists/options/emc-users/ken tallanreed%40gmail.com I find this useful. I did not know you could do that, and that would nicely get past gmails ^$ duplicate filters. Thanks Kent. I learned something today. Now if I could just get the hereafter figured out, I go into a room then try to remember what it was that I'm hereafter. :) Regards, Kent *Damned Internet spelling. I used to get dinged by my teachers and later by my editors every time I added an e to acknowledgment. Cheers, Gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) My web page: http://coyoteden.dyndns-free.com:85/gene is up! Seed me, Seymour -- a random number generator meets the big green mother from outer space -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] A PS Re: Does replying to old threads go straight to the spam bin?
On 11/11/2012 11:28 AM, Gene Heskett wrote: Thanks Kent. I learned something today. Now if I could just get the hereafter figured out, I go into a room then try to remember what it was that I'm hereafter. I thought that's the room where we leave our round tuits. Cheers. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Sieg SC2518 CNC lathe conversion questions
All- I'm starting in the process of converting a Sieg SC2518 CNC lathe to LinuxCNC control. I'll be using Mesa hardware, 5i23+7i33+7i37 and have had good experience with that in the past. Incomplete in-process documentation is here: http://code.google.com/p/sector67-sandbox/wiki/SiegCNCLathe If anyone has done a conversion like this I'd certainly appreciate any advice. More specifically, I have two questions with respect to the encoder. The machine is built with a 100 ppr Automation Driect TRD-S100BD 12-24V open collector encoder plus a magnetic reed switch that triggers once per chuck revolution. The encoder has a Z pulse but as it is on a belt it will not fire once per chuck revolution, but some fraction of that. I plan on integrating the spindle control to be able to thread, but I am wondering if the Z pulse needs to be strictly once per chuck revolution or if I could instead use the Z pulse directly from the encoder, which would be a bit simpler. Further, I am wondering the best way to interface a 12-24V open collector encoder with the Mesa 7i33 servo control card. I presume I would set the jumpers for TTL mode, but then after doing so can I just connect the A/B or conversely not A/not B? I guess the question is are the encoder inputs in TTL mode on the Mesa 7i33 pulled up to positive voltage. Thanks in advance for the advice, Scott -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Sieg SC2518 CNC lathe conversion questions
On 11 November 2012 20:00, Scott Hasse scott.ha...@gmail.com wrote: I plan on integrating the spindle control to be able to thread, but I am wondering if the Z pulse needs to be strictly once per chuck revolution Yes, it must be once per spindle revolution. The system will always start the threading pass on the index, and if that index happens at a different point in the spindle revolution, then so will the thread. Further, I am wondering the best way to interface a 12-24V open collector encoder with the Mesa 7i33 servo control card. That's one for Pete. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Spindle Control on the AXIS Interface
I started experimenting with spindle control and have found some odd behavior. I added the example HAL content from section 2 of this page http://linuxcnc.org/docs/html/examples/spindle.html. Got a error when I launched AXIS. Removed this line from the HAL file, which cleared the error: net spindle-cmd = motion.spindle-speed-out (this was part of the HAL file Stepconf generated) After removing that line AXIS launched without incident, but when I enable the spindle (F9) and try adjusting the speed, ether by clicking the '+' / '-' buttons or pressing F11/F12 I only get ~1% 100% PWM duty. If I enter an S code in the MDI command window I get full fidelity. Here is a link to a copy of my HAL file: https://www.dropbox.com/s/hgq3jqvmzajwi72/mini-mill.hal Any suggestions about what might be going on? I'm running 2.4.6. N.C. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Spindle Control on the AXIS Interface
On 11 November 2012 22:04, N. Christopher Perry
n_christopher_pe...@me.com wrote:
After removing that line AXIS launched without incident, but when I enable
the spindle (F9) and try adjusting the speed, ether by clicking the '+' / '-'
buttons or pressing F11/F12 I only get ~1% 100% PWM duty.
The Axis UI increments the spindle speed in fixed increments of 100rpm
(Code here from command.c)
case EMCMOT_SPINDLE_INCREASE:
rtapi_print_msg(RTAPI_MSG_DBG, SPINDLE_INCREASE);
if (emcmotStatus-spindle.speed 0) {
emcmotStatus-spindle.speed += 100; //FIXME - make the step a
HAL parameter
} else if (emcmotStatus-spindle.speed 0) {
emcmotStatus-spindle.speed -= 100;
}
break;
You have an unusually low spindle speed range (0 to 100 rpm) so the
very first increment press takes you straight to your max spindle
speed of 100rpm.
Note that even here it is acknowledged in the code that this isn't
quite right...
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
--
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Re: [Emc-users] Spindle Control on the AXIS Interface
Ahh.. I see that I've managed to shoot myself in the foot: I'd set it to 100
so I could more easily evaluate duty cycle increments. That will not remain at
that low a value in service.
Thank you for the quick response.
On 2012-Nov-11, at 17:25, andy pugh wrote:
On 11 November 2012 22:04, N. Christopher Perry
n_christopher_pe...@me.com wrote:
After removing that line AXIS launched without incident, but when I enable
the spindle (F9) and try adjusting the speed, ether by clicking the '+' /
'-' buttons or pressing F11/F12 I only get ~1% 100% PWM duty.
The Axis UI increments the spindle speed in fixed increments of 100rpm
(Code here from command.c)
case EMCMOT_SPINDLE_INCREASE:
rtapi_print_msg(RTAPI_MSG_DBG, SPINDLE_INCREASE);
if (emcmotStatus-spindle.speed 0) {
emcmotStatus-spindle.speed += 100; //FIXME - make the step a
HAL parameter
} else if (emcmotStatus-spindle.speed 0) {
emcmotStatus-spindle.speed -= 100;
}
break;
You have an unusually low spindle speed range (0 to 100 rpm) so the
very first increment press takes you straight to your max spindle
speed of 100rpm.
Note that even here it is acknowledged in the code that this isn't
quite right...
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
--
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
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Re: [Emc-users] A PS Re: Does replying to old threads go straight to the spam bin?
On Sun, 2012-11-11 at 18:00 -0500, Gene Heskett wrote: On Sunday 11 November 2012 17:59:21 Kent A. Reed did opine: On 11/11/2012 11:28 AM, Gene Heskett wrote: Thanks Kent. I learned something today. Now if I could just get the hereafter figured out, I go into a room then try to remember what it was that I'm hereafter. I thought that's the room where we leave our round tuits. Could be Kent, but I sure haven't spotted them if it is. :) Cheers Kent, Gene As I understand it roundtuits are sneaky little beasties and very adept at concealing themselves. :-) Dave -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Sieg SC2518 CNC lathe conversion questions
On 11/11/2012 03:00 PM, Scott Hasse wrote: ...plus a magnetic reed switch that triggers once per chuck revolution. I wouldn't use any mechanical switch in that application. There's a chance it won't be able to respond fast enough at the faster spindle speeds, but I'd be much more concerned about reliability. Most mechanical switches are rated for mechanical life, independent of contact wear from making and breaking current. Even with no current flowing through the switch, most switches are rated for something in the ballpark of 100,000 to 1,000,000 switch activations. That's a lot if you're pushing a button, but if you're racking up 2000 switch activations per minute for the spindle index pulse, you'll reach 100,000 in 50 minutes of spindle time. I'd be looking at a solid state switch with no moving parts... either a Hall effect switch for that magnet, or I'd use a slot or a hole in an opaque disk with an optical interrupter. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] Single Pulse Output?
Is there a way to have a parallel port output generate a single pulse on command? I have a vacuum system that requires a pulse to turn it on/off, and would like to have my machine turn the vacuum on automatically. N.C. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Sieg SC2518 CNC lathe conversion questions
Thanks, I should have been more accurate in my initial description. It is a hall effect sensor. Scott On Sun, Nov 11, 2012 at 6:34 PM, Bruce Layne linux...@thinkingdevices.comwrote: On 11/11/2012 03:00 PM, Scott Hasse wrote: ...plus a magnetic reed switch that triggers once per chuck revolution. I wouldn't use any mechanical switch in that application. There's a chance it won't be able to respond fast enough at the faster spindle speeds, but I'd be much more concerned about reliability. Most mechanical switches are rated for mechanical life, independent of contact wear from making and breaking current. Even with no current flowing through the switch, most switches are rated for something in the ballpark of 100,000 to 1,000,000 switch activations. That's a lot if you're pushing a button, but if you're racking up 2000 switch activations per minute for the spindle index pulse, you'll reach 100,000 in 50 minutes of spindle time. I'd be looking at a solid state switch with no moving parts... either a Hall effect switch for that magnet, or I'd use a slot or a hole in an opaque disk with an optical interrupter. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Single Pulse Output?
On Sun, Nov 11, 2012, at 07:44 PM, N. Christopher Perry wrote: Is there a way to have a parallel port output generate a single pulse on command? I have a vacuum system that requires a pulse to turn it on/off, and would like to have my machine turn the vacuum on automatically. How long of a pulse? How precise does the length need to be? HAL has a one-shot component, that generates a pulse its input signal changes state. Might do what you need. John Kasunich jmkasun...@fastmail.fm -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Sieg SC2518 CNC lathe conversion questions
While I agree that a hall sensor would be a better choice, I believe reed switches can be quite reliable as they have seen use as sensors for bicycle speedometers for some time. +++ Anyone who believes exponential growth can go on forever in a finite world is either a madman or an economist. -Kenneth Boulding, economist From: Bruce Layne linux...@thinkingdevices.com To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Sent: Sunday, November 11, 2012 6:34 PM Subject: Re: [Emc-users] Sieg SC2518 CNC lathe conversion questions On 11/11/2012 03:00 PM, Scott Hasse wrote: ...plus a magnetic reed switch that triggers once per chuck revolution. I wouldn't use any mechanical switch in that application. There's a chance it won't be able to respond fast enough at the faster spindle speeds, but I'd be much more concerned about reliability. Most mechanical switches are rated for mechanical life, independent of contact wear from making and breaking current. Even with no current flowing through the switch, most switches are rated for something in the ballpark of 100,000 to 1,000,000 switch activations. That's a lot if you're pushing a button, but if you're racking up 2000 switch activations per minute for the spindle index pulse, you'll reach 100,000 in 50 minutes of spindle time. I'd be looking at a solid state switch with no moving parts... either a Hall effect switch for that magnet, or I'd use a slot or a hole in an opaque disk with an optical interrupter. -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Single Pulse Output?
A 1 s pulse, +/-0.25 s, with +/-0.25 s timing accuracy would be adequate. N.C. On 2012-Nov-11, at 20:09, John Kasunich wrote: On Sun, Nov 11, 2012, at 07:44 PM, N. Christopher Perry wrote: Is there a way to have a parallel port output generate a single pulse on command? I have a vacuum system that requires a pulse to turn it on/off, and would like to have my machine turn the vacuum on automatically. How long of a pulse? How precise does the length need to be? HAL has a one-shot component, that generates a pulse its input signal changes state. Might do what you need. John Kasunich jmkasun...@fastmail.fm -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Single Pulse Output?
The HAL one-shot component can do that very easily. man oneshot from the command line should get you the documentation. On Sun, Nov 11, 2012, at 08:52 PM, N. Christopher Perry wrote: A 1 s pulse, +/-0.25 s, with +/-0.25 s timing accuracy would be adequate. N.C. On 2012-Nov-11, at 20:09, John Kasunich wrote: On Sun, Nov 11, 2012, at 07:44 PM, N. Christopher Perry wrote: Is there a way to have a parallel port output generate a single pulse on command? I have a vacuum system that requires a pulse to turn it on/off, and would like to have my machine turn the vacuum on automatically. How long of a pulse? How precise does the length need to be? HAL has a one-shot component, that generates a pulse its input signal changes state. Might do what you need. John Kasunich jmkasun...@fastmail.fm -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users -- John Kasunich jmkasun...@fastmail.fm -- Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
