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Cutting power by software - what device do i need?
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Robert Hyatt



Joined: 27 Feb 2006
Posts: 17396
Location: Birmingham, AL

PostPost subject: Re: Cutting power by software - what device do i need?    Posted: Mon Mar 19, 2012 11:36 pm Reply to topic Reply with quote

diep wrote:
jwes wrote:
google usb relay.


Ah yes i see i can plug relays into the computer. That's good.
It can give a pulse. That's a good start Smile

Any idea how to switch off power with such pulse? Probably need another device that i plug into the relay then?


A relay is an open-close device. It is either open or closed. You generally get two connections that bridge the relay contacts. Only question is, how many amps do you need to switch? The ones I saw were good for 10a, which is probably way more than enough. You just run the hot leg of A/C power to one side of the relay, the other side of the relay goes to the hot wire connection in the switch, and you will be set...
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Subject Author Date/Time
Cutting power by software - what device do i need? Vincent Diepeveen Mon Mar 19, 2012 8:54 am
      Re: Cutting power by software - what device do i need? Robert Hyatt Mon Mar 19, 2012 4:46 pm
            Re: Cutting power by software - what device do i need? Vincent Diepeveen Mon Mar 19, 2012 6:06 pm
                  Re: Cutting power by software - what device do i need? J. Wesley Cleveland Mon Mar 19, 2012 6:19 pm
                        Re: Cutting power by software - what device do i need? Vincent Diepeveen Mon Mar 19, 2012 8:05 pm
                              Re: Cutting power by software - what device do i need? Robert Hyatt Mon Mar 19, 2012 11:36 pm
                  Re: Cutting power by software - what device do i need? Ben-Hur Carlos Langoni Mon Mar 19, 2012 8:54 pm
                        Re: Cutting power by software - what device do i need? Vincent Diepeveen Mon Mar 19, 2012 9:27 pm
                              Re: Cutting power by software - what device do i need? Ronald de Man Mon Mar 19, 2012 10:27 pm
                                    Re: Cutting power by software - what device do i need? Vincent Diepeveen Mon Mar 19, 2012 11:15 pm
                                    Re: Cutting power by software - what device do i need? Robert Hyatt Mon Mar 19, 2012 11:37 pm
                  Re: Cutting power by software - what device do i need? Robert Hyatt Mon Mar 19, 2012 11:27 pm
                        Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 12:00 am
                              Re: Cutting power by software - what device do i need? Robert Hyatt Tue Mar 20, 2012 12:22 am
                                    Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 12:40 am
                                          Re: Cutting power by software - what device do i need? Robert Hyatt Tue Mar 20, 2012 1:15 am
                                                Re: Cutting power by software - what device do i need? Adam Hair Tue Mar 20, 2012 2:05 am
                                                      Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 2:39 am
                                                Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 2:40 am
                                          Re: Cutting power by software - what device do i need? Adam Hair Tue Mar 20, 2012 2:22 am
                                                Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 2:48 am
                                                      Re: Cutting power by software - what device do i need? Robert Hyatt Tue Mar 20, 2012 4:45 am
                                                            Re: Cutting power by software - what device do i need? Vincent Diepeveen Tue Mar 20, 2012 12:31 pm
                                    Re: Cutting power by software - what device do i need? Ben-Hur Carlos Langoni Tue Mar 20, 2012 2:49 pm
                                          Re: Cutting power by software - what device do i need? Vincent Diepeveen Wed Mar 21, 2012 12:17 pm
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