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Adjustable Voltage Regulator with Digital Display


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#1 Dingleberry

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Posted 16 December 2009 - 10:37 PM

Hello, I was wondering if anyone had any input on how to add a small digital display to this great Adjustable Voltage Regulator.
I'm in the process of painting my track and want to complete the drivers stations.

I'm also looking for a good power supply for 4 lanes - 45' per lane. Can you share with me what you are using and your thoughts?

The completed AVRwDD will be used with the new power supply.

Thanks!


Dean

#2 RichG

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Posted 17 December 2009 - 07:59 AM

I would buy a cheap digital voltmeter. Many available on ebay.




Digital Volt Meter


Rich





#3 Black3sr

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Posted 17 December 2009 - 09:10 AM

I did mine this way. The wires run down to the power supply. Just remember to turn it off or have a 9V battery to replace the dead one.


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#4 Dingleberry

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Posted 17 December 2009 - 01:43 PM

Wow - I'm really liking the blue meter!!! How simple! Thanks Rich for the link...

Black3sr - I'd rather not use my Fluke for the track, it's more valuable to me in my toolbag wink.gif but great idea!

Thanks!

#5 Black3sr

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Posted 17 December 2009 - 08:18 PM

Much better idea than mine Rich. I may go looking for one.
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#6 RichD

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Posted 24 December 2009 - 01:28 AM

In the USA the most popular power supply for 1/32nd tracks is probably the Pyramid PS-26KX. It is regulated and filtered with the voltage adjustable from 6 to 15 volts and good for 25 amp peaks. Do a Google search for sellers and be sure to include the shipping charges when you compare prices. I payed $125 for mine shipped.

#7 agp56

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Posted 25 December 2009 - 05:04 PM

I am using the Pyramid PS-26KX also. I have younger racers over from time to time and am glad to be able to dial it down a little bit. If you do not need that feature, the Pyramid PS-21KX will do nicely.

#8 sealevel

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Posted 25 December 2009 - 06:52 PM

Is this digital display and AVR only used with analogue tracks or would one use it with digital?
I have never heard of monitoring the voltage for each driver before.

Just curious!
Cheers!
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#9 Dingleberry

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Posted 25 December 2009 - 07:32 PM

Thanks RichD and agp56, I'll definately look into those Pyramid supplies!

Would I be able to use the stock Carrera controllers with either of those?

#10 RichD

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Posted 26 December 2009 - 05:17 PM

The Carrera controllers will work with any power supply. There are a number of reasons for having seperate voltage adjustment for each lane. You can equalize the lanes for closer racing, you can lower the voltage for overpowered cars, you can raise the voltage for underpowered cars and you can handicap different racers. Having dedicated volt meters will let you see exactly where the voltage is set without having to hookup a multimeter.

#11 Dingleberry

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Posted 26 December 2009 - 05:31 PM

I just purchased a brand new PS-26KX for $98 including shipping on ebay! Hopefully it comes before Thursday. Now I just have to source all the parts to make 4 AVR's... full steam ahead!!! xmas.gif

and thanks for all your help guys!!! clap.gif

#12 Black3sr

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Posted 26 December 2009 - 08:32 PM

QUOTE (Dingleberry @ 26 Dec 2009, 12:31) <{POST_SNAPBACK}>
I just purchased a brand new PS-26KX for $98 including shipping on ebay! Hopefully it comes before Thursday. Now I just have to source all the parts to make 4 AVR's... full steam ahead!!! xmas.gif

and thanks for all your help guys!!! clap.gif


You stole that one!. Heck shipping is usually $40-50 alone.
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#13 dangermouse

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Posted 20 January 2010 - 03:59 AM

RichG
thanks for the tip - picked up one of those digtial voltmeters, they work a treat.

cheers
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