Using car ignition switch as power button for PCs

Started by Mr. Man-wai Chang in sci.electronics.basics6 hours ago 45 replies

Is it possible? I know it's too fancy... ;) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity...

Is it possible? I know it's too fancy... ;) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3 ???! ???! ???! ???! ???! ???! ????? (CSSA): http://www.swd.gov.hk/tc/index/site_pubsvc/page_socsecu/s


Re: Debounce Switches

Started by Michael A. Terrell in sci.electronics.basics2 days ago

John Larkin wrote: > On Fri, 19 Aug 2016 23:58:05 -0400, ehsjr wrote: > > > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > >...

John Larkin wrote: > On Fri, 19 Aug 2016 23:58:05 -0400, ehsjr wrote: > > > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > > > Jim Thompson wrote: > > > > > > > > On Sat, 27 Feb 2016 10:38:52 -0500, "Tom Del Rosso" > > > > wrote: > > > > > > > > > Jim Thompson wrote: > > > > > > I have made a compilation of the various Debounce circuits


Re: Debounce Switches

Started by John Larkin in sci.electronics.basics1 week ago

On Fri, 19 Aug 2016 23:58:05 -0400, ehsjr wrote: > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > Jim Thompson wrote: > > >...

On Fri, 19 Aug 2016 23:58:05 -0400, ehsjr wrote: > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > Jim Thompson wrote: > > > > > > On Sat, 27 Feb 2016 10:38:52 -0500, "Tom Del Rosso" > > > wrote: > > > > > > > Jim Thompson wrote: > > > > > I have made a compilation of the various Debounce circuits and posted > > > > > it to Debounce_


Re: Debounce Switches

Started by Michael A. Terrell in sci.electronics.basics1 week ago

ehsjr wrote: > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > Jim Thompson wrote: > > > > > > On Sat, 27 Feb 2016 10:38:52...

ehsjr wrote: > On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > > > Jim Thompson wrote: > > > > > > On Sat, 27 Feb 2016 10:38:52 -0500, "Tom Del Rosso" > > > wrote: > > > > > > > Jim Thompson wrote: > > > > > I have made a compilation of the various Debounce circuits and posted > > > > > it to Debounce_Switches.pdf on the S.E.D/Schematics Page of my > > > > > web


Re: Debounce Switches

Started by Mr. Man-wai Chang in sci.electronics.basics1 week ago

On 20/08/16 21:22, Andy Bennet wrote: > If you have a single pole two way switch you can do it with 2 resistors, > 2 nand gates and a single...

On 20/08/16 21:22, Andy Bennet wrote: > If you have a single pole two way switch you can do it with 2 resistors, > 2 nand gates and a single pole 2 way switch. No bootup time, no crashes, > less current etc etc I have lost all my homework's files due to an accident when installing Xenix back 20 years ago. And yes, the circuit I used should be similar to your description. :) -- @


Re: Debounce Switches

Started by Andy Bennet in sci.electronics.basics1 week ago

On 19/08/2016 13:52, Mr. Man-wai Chang wrote: > On 19/08/16 15:58, Michael A. Terrell wrote: > > > > Everything aggravates him. ...

On 19/08/2016 13:52, Mr. Man-wai Chang wrote: > On 19/08/16 15:58, Michael A. Terrell wrote: > > > > Everything aggravates him. Including himself. > > > > I remember doing a small lab. project involving a 6809 processor to > debounce a button.... > If you have a single pole two way switch you can do it with 2 resistors, 2 nand gates and a single pole 2 way switch. No bootup time, no cr


Re: Debounce Switches

Started by Mr. Man-wai Chang in sci.electronics.basics1 week ago

On 20/08/16 03:48, Michael A. Terrell wrote: > > > > I remember doing a small lab. project involving a 6809 processor to > > debounce a...

On 20/08/16 03:48, Michael A. Terrell wrote: > > > > I remember doing a small lab. project involving a 6809 processor to > > debounce a button.... > > A 6809 doesn't bounce very high. :) Not debouncing the 6809 processor, but a button. I need to wire the button to the processor. But then, maybe we need to debounce registers in a processor... :) -- @~@ Remain silent! Drink, B


Re: Debounce Switches

Started by ehsjr in sci.electronics.basics2 weeks ago

On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > Jim Thompson wrote: > > > > On Sat, 27 Feb 2016 10:38:52 -0500, "Tom Del Rosso" > > ...

On 2/27/2016 12:40 PM, Michael A. Terrell wrote: > > Jim Thompson wrote: > > > > On Sat, 27 Feb 2016 10:38:52 -0500, "Tom Del Rosso" > > wrote: > > > > > Jim Thompson wrote: > > > > I have made a compilation of the various Debounce circuits and posted > > > > it to Debounce_Switches.pdf on the S.E.D/Schematics Page of my > > > > website. > > > > > > > > I have a


Re: Debounce Switches

Started by Michael A. Terrell in sci.electronics.basics2 weeks ago

Mr. Man-wai Chang wrote: > On 19/08/16 15:58, Michael A. Terrell wrote: > > > > Everything aggravates him. Including himself. > > >...

Mr. Man-wai Chang wrote: > On 19/08/16 15:58, Michael A. Terrell wrote: > > > > Everything aggravates him. Including himself. > > > > I remember doing a small lab. project involving a 6809 processor to > debounce a button.... > A 6809 doesn't bounce very high. :)


Re: Debounce Switches

Started by Mr. Man-wai Chang in sci.electronics.basics2 weeks ago

On 19/08/16 15:58, Michael A. Terrell wrote: > > Everything aggravates him. Including himself. > I remember doing a small lab....

On 19/08/16 15:58, Michael A. Terrell wrote: > > Everything aggravates him. Including himself. > I remember doing a small lab. project involving a 6809 processor to debounce a button.... -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.3


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