ViRuS

yeah, i know what this is all about.
and a time delay relay switch is around £7.65 per item.
around $15.
and a time delay has a greater risk of failing, i dont know why, it just does.
so its safer this way.

G.C.S.E Electronics FTW. Forget autocad/quickcad/simalar.
Get Using Breadboards + Lamps. keeps things simple and the theorem is simalar.
except there is not $3/4000 worth of p.c on a breadboard =D

Regards.

R-Virus

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High 3650 clock ftw

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HauntSheep

Basically guys n gals, what he has done with that little black box is linked his computer's power with his Thermo Electric Cooler's power, so when he presses one switch, both his computer and his cooler turn on at the same time

Same principle when you turn on your bathroom light and the extractor fan comes on

Also... the time delay relays arent that expensive, like £10 [Bout' $20]

dragonxwas

The basic rule of the Peltier or TEC is untill it gets heat from the processor or whaterver chip you want to cool , it doesnt work...

It is an heat pump so, in this case there should be heat for it to pump and the current acts an catalyst to this process..and hence, when the processor heats up it pushes the heat from one side to another and due to current flowing ,the process speeds up and therefore you get sub zero cooling on processor surface..


SO FINALLY .. It is an good idea to run the pc psu first and then peltier..
and also response times of relays are around 100ms to 1s depending on the capacity...So it doesn't make any difference whether you turn on pc first or peltier first..

JohnDProb

could i apply this to a second psu that has one of those always on atx pieces? as in a connect this onto the grounder and when the main would come on it would allow the grounding wire to turn on therefore the other psu would come on?

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the soldier

life is simply a hard drive.....
when it gets all disorganized defrag the dam thing

if you dont like me spelling or grammer, do tell, but more importantly, dont whine about other peoples language skillz you annoying buggers

Idiot

Yes you could.

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I'm not immature! Just clinically insane.

JohnDProb

cool
+rep

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the soldier

life is simply a hard drive.....
when it gets all disorganized defrag the dam thing

if you dont like me spelling or grammer, do tell, but more importantly, dont whine about other peoples language skillz you annoying buggers

ira-k

Oh yeah you can use it to turn on any AC device, I use them for AC pumps, TEC PSU and small PSU's I use for DC pumps and fans. If you use the Crydom pictured just don't go over a 25 amp load on each, counting start up load.

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Spawn-Inc

same idea yes, 2 things coming on with 1 switch. but the exhaust fan is simply wired to the light switch as they are both 120v sources.

a timer wouldn't be that hard at all to wire up with the relay. you would just wire it in line with the power leaving the relay so it will only get power when the pc turns on.

here is what it looks like.

note: the timer in the picture is only rated for 1.5 amps so it would have to be upped for most applications. it's really meant for 120v relays on the low side of things.

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