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Mastero MK-4.5 250w 12v DC-DC ATX PSU + SDC Mastero MK-4.5 250w 12v DC-DC ATX PSU + SDC

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Old 06-29-2004, 03:16 AM   #16
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I am working on it guys its going positive...

cheers
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Old 06-29-2004, 03:18 AM   #17
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I am working on it guys its going positive...

Planning on putting a delay start up so the pc will start after the car is cranked..

cheers
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Old 06-29-2004, 02:28 PM   #18
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I thought your power supply survived the crank, so why do you want to delay the start of the pc.
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Old 06-29-2004, 02:37 PM   #19
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Quote: Originally Posted by Quattro-A4
I thought your power supply survived the crank, so why do you want to delay the start of the pc.

Imagine cold start .. early morning ..?? cranking cranking cranking ... battery is already loaded with car pc so the battery has that extra load on it ..

I feel its better if there is a delay of 10 sec.. for those cold early morning start and those diesel cold start


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Old 06-29-2004, 02:42 PM   #20
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I didn't think of cold starts.
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Old 06-30-2004, 06:49 PM   #21
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Could you not put a timer on it so that the time could be changed manually?
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Old 07-01-2004, 01:34 PM   #22
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Auto startup is done ... working on the delay .. !

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Old 07-09-2004, 09:52 AM   #23
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here's a usefull site with time relay delay circuits

http://ourworld.compuserve.com/homep....htm#delay.gif
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Old 07-09-2004, 10:15 AM   #24
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Hey guys, i have an ideia for control the psu using a universal control remote.

With a push in a key of a controle remote we can start and/or shutdown the mastero psu 12 volts remote.

But i canīt find any decent schematic circuit for this ideia. I only found this one: http://www.zen22142.zen.co.uk/Circui.../ir_switch.htm, but it can't decode ir codes.

Can any you guys help me where ?
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Last edited by mscar; 07-09-2004 at 10:18 AM.
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Old 07-27-2004, 05:04 PM   #25
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Hey mastero....how much longer for the mk-4.5?
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Old 07-28-2004, 04:18 PM   #26
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Quote: Originally Posted by niral622
Hey mastero....how much longer for the mk-4.5?


Just very busy with work .. a week or two more ...

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Old 07-30-2004, 01:13 PM   #27
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hmmm....thats not bad
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Old 08-04-2004, 10:07 AM   #28
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Here you go guys ...

Kindly check for errors and let me know if you find any...

This is the first version

The second version shall have autostart up also ....

mk-4.5 component

MK-4.5 PCB

Cheers
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Old 08-04-2004, 11:20 AM   #29
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Has the supply been tested fully loaded, ie. with all rails delivering their rated current for X amount of time?
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Old 08-04-2004, 11:43 AM   #30
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Woahhhh !!!

IT's a MONSTER !!

Where's the Low battery detection ?

Hummm. Great job Mastero.
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