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Auto laptop 12V/mains switchover design | 26 comments (26 topical, editorial)

Re: Auto laptop 12V/mains switchover design (3.00 / 0) (#19)
by DamonHD (d@hd.org) on Thu Jul 19th, 2007 at 07:35:27 AM MST
(User Info) http://www.earth.org.uk/

I've made enough progress on this system to have been able to turn off the first of my power-hungry servers; I hope that the rest of them will be off in the next few days...

(Any help on the p-channel FET question above would still be welcome...)

Rgds

Damon

Re: Auto laptop 12V/mains switchover design (3.00 / 0) (#20)
by DamonHD (d@hd.org) on Sun Jul 22nd, 2007 at 04:32:03 PM MST
(User Info) http://www.earth.org.uk/

Well, I have now turned off my old server bank for what I hope is more-or-less the last time (other than to get a few files for archiving for example).

Total saving ~640W, a lot of noise, and several degrees Celsius in my study. And a little bit of global warming!

Rgds

Damon

[ Parent ]

Re: Auto laptop 12V/mains switchover design (3.00 / 0) (#23)
by TomW on Sun Aug 5th, 2007 at 02:00:08 PM MST
(User Info)

DamonHD;

You forgot one other buzz phrase.

Carbon Footprint.

Cant be perfect all the time, I guess.

Just poking you.

Cheers.

TomW

If everyone is thinking alike, then somebody isn't thinking.

--George S. Patton
[ Parent ]

Re: Auto laptop 12V/mains switchover design (3.00 / 0) (#24)
by DamonHD (d@hd.org) on Sun Aug 5th, 2007 at 03:05:07 PM MST
(User Info) http://www.earth.org.uk/

Oh Tom,

I'm sure leaving big black sooty footprints everywhere I go, but at least I have started to polish one small turd. B^>

Rgds

Damon

[ Parent ]

Auto laptop 12V/mains switchover design | 26 comments (26 topical, 0 editorial)

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