Thread View: alt.comp.hardware
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9 total messages
Started by Michael C
Sat, 29 Oct 2005 09:26
Switch on mains device from my PC
Author: Michael C
Date: Sat, 29 Oct 2005 09:26
Date: Sat, 29 Oct 2005 09:26
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I have a program that I have written that works with a certain camera. I'd like to be able to switch the camera on and off from within my program. All I'm after is something like a powerboard that connects to the usb port that I can turn each socket on and off though some sort of command. Does anything like this exist? I thought it might for home automation but couldn't find anything that did exactly what I want. It doesn't have to be a 4 way powerboard, 1 would do. Thanks again, Michael
Re: Switch on mains device from my PC
Author: rowan194
Date: Sat, 29 Oct 2005 16:20
Date: Sat, 29 Oct 2005 16:20
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You mentioned home automation, have you looked at X10 products? Tricky Dicky sell them. Actually, after a quick look it seems all they have now is a remote control. They used to have things that let you hook up a computer, turn lights on and off, etc. Perhaps I'm looking on the wrong part of the site.
Re: Switch on mains device from my PC
Author: Michael C
Date: Sat, 29 Oct 2005 16:41
Date: Sat, 29 Oct 2005 16:41
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"rowan194" <googlegroups@sensation.net.au> wrote in message news:1130602833.547425.64290@g44g2000cwa.googlegroups.com... > You mentioned home automation, have you looked at X10 products? Tricky > Dicky sell them. > > Actually, after a quick look it seems all they have now is a remote > control. They used to have things that let you hook up a computer, turn > lights on and off, etc. Perhaps I'm looking on the wrong part of the > site. I've had a pretty good look at home automation. The problem is they don't have anything that switches power on and off from the usb port because usb can't extend between your PC and where ever the thing you are switching is. It does seem like it is possible to control it from your PC but through a wireless link or something. The sites I've looked at have been *extremely* vague as to how it all works. I found something that works through ethernet but getting my customers to set up ip addresses and have a second network connection near the pc is too complicated. Michael
Re: Switch on mains device from my PC
Author: Skeleton Man
Date: Sat, 29 Oct 2005 22:15
Date: Sat, 29 Oct 2005 22:15
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>I have a program that I have written that works with a certain camera. I'd >like to be able to switch the camera on and off from within my program. All >I'm after is something like a powerboard that connects to the usb port that >I can turn each socket on and off though some sort of command. Does anything >like this exist? I thought it might for home automation but couldn't find >anything that did exactly what I want. It doesn't have to be a 4 way >powerboard, 1 would do. If I understand correctly, this is what you want, a USB Relay Card: http://www.ar.com.au/~softmark/page32.html It looks like it comes in kit form and it's priced at $115.50 ($105 + GST) Regards, Chris ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =----
Re: Switch on mains device from my PC
Author: Michael C
Date: Sun, 30 Oct 2005 01:09
Date: Sun, 30 Oct 2005 01:09
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"Skeleton Man" <invalid@guestwho.com> wrote in message news:1130623955.828254@donna.bmts.com... > If I understand correctly, this is what you want, a USB Relay Card: > > http://www.ar.com.au/~softmark/page32.html > > It looks like it comes in kit form and it's priced at $115.50 ($105 + GST) That's exactly what I want except to be able to safely and legally switch 240V, basically the same thing inside one of those 4 way powerboards. Michael
Re: Switch on mains device from my PC
Author: rowan194
Date: Sun, 30 Oct 2005 04:32
Date: Sun, 30 Oct 2005 04:32
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Michael C wrote: > "rowan194" <googlegroups@sensation.net.au> wrote in message > news:1130602833.547425.64290@g44g2000cwa.googlegroups.com... > > You mentioned home automation, have you looked at X10 products? Tricky > > Dicky sell them. > > > > Actually, after a quick look it seems all they have now is a remote > > control. They used to have things that let you hook up a computer, turn > > lights on and off, etc. Perhaps I'm looking on the wrong part of the > > site. > > I've had a pretty good look at home automation. The problem is they don't > have anything that switches power on and off from the usb port because usb > can't extend between your PC and where ever the thing you are switching is. > It does seem like it is possible to control it from your PC but through a > wireless link or something. The sites I've looked at have been *extremely* > vague as to how it all works. I found something that works through ethernet > but getting my customers to set up ip addresses and have a second network > connection near the pc is too complicated. Are they residential or business customers? From memory they need to be on the same power phase for X10 to work. If you do a google AU search for "X10" you can probably find something suitable. This is one kit I've found: http://www.eon3.com/content/products/product-detail.asp?intProductID=565 Basically all you would need is the sender and one of the power switches. I do see that it requires serial, but as the page says a USB to serial converter can be utilised. HTH, and I wish Tricky Dicky still sold this stuff, because I'm now inspired to have a play! :)
Re: Switch on mains device from my PC
Author: Skeleton Man
Date: Sun, 30 Oct 2005 05:03
Date: Sun, 30 Oct 2005 05:03
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>> If I understand correctly, this is what you want, a USB Relay Card: >> >> http://www.ar.com.au/~softmark/page32.html >> >> It looks like it comes in kit form and it's priced at $115.50 ($105 + GST) >That's exactly what I want except to be able to safely and legally switch >240V, basically the same thing inside one of those 4 way powerboards. By safely and legally switch 240v you mean something that you can plug a standard 3 pin plug into ? (without cutting, etc) The kit says it has an input isolation voltage of 2500V, so switching 240V I would think should be fine.. what if you cut the ends of an extension cord (for input and output) or something along those lines ? maybe you can come up with something and then have it electrically tested and tagged ? (that way it's legal) Regards, Chris ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =----
Re: Switch on mains device from my PC
Author: Michael C
Date: Sun, 30 Oct 2005 05:03
Date: Sun, 30 Oct 2005 05:03
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"rowan194" <googlegroups@sensation.net.au> wrote in message > Are they residential or business customers? From memory they need to be > on the same power phase for X10 to work. They are dentist. > If you do a google AU search for "X10" you can probably find something > suitable. This is one kit I've found: > > http://www.eon3.com/content/products/product-detail.asp?intProductID=565 That is close to what I'm after although not quite perfect. Serial would be ok but combined with having to have a sender and receiver it is getting a bit complicated. I'm suprised nothing exists considering the range of electronics available today but I guess there just isn't much need for it. I could just use the relay kit someone suggested and use it only for cameras that have an external power supply. Michael
Re: Switch on mains device from my PC
Author: Michael C
Date: Sun, 30 Oct 2005 05:37
Date: Sun, 30 Oct 2005 05:37
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"Skeleton Man" <invalid@guestwho.com> wrote in message news:1130648444.345649@donna.bmts.com... > By safely and legally switch 240v you mean something that you can plug a > standard 3 pin plug into ? (without cutting, etc) Yep, I'm hoping for something that will work out of the box. > The kit says it has an input isolation voltage of 2500V, so switching 240V > I > would think should be fine.. what if you cut the ends of an extension > cord > (for input and output) or something along those lines ? maybe you can come > up > with something and then have it electrically tested and tagged ? (that way > it's > legal) From what I understand it's expensive to get anything passed for 240V mains and it opens up the possibility of me being sued if someone gets electrocuted. I could use this kit for low voltage switching but it might be a bit much trouble for the scope of this project to get it switching mains. Michael
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