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Old 03-31-2007, 06:23 PM
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Re: FrankenPower! Building a 12V Power Supply

$17! looks cool
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Old 04-06-2007, 09:52 AM
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Re: FrankenPower! Building a 12V Power Supply

Now for sale, guys...If you don't wanna build one, I'll build one for you and ship it for $50.
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Old 04-08-2007, 03:39 PM
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Re: FrankenPower! Building a 12V Power Supply

For those of you that are interested and have the problem with the PS turning off when you plug a charger in, Bob's idea works..a 1000uF 35V Capacitor on the 12V rail works great. Works like a charm! They're $1.69 at Radio Shack.
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Old 04-12-2007, 11:54 PM
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Re: FrankenPower! Building a 12V Power Supply

Well, I finally went ahead and built one of these for myself.

I picked up an Antec tripower supply rated at 650w. I ended up with three legs regulated to 12.1 volts and 19 amps per leg. No bling, just some heavy duty power. I was able to easily identify the three supply sections on the board and I ran multiple wires to each plug on both power and ground, yet still kept the three circuits. I did leave one extra set of wires (5v and a ground) long and tucked in the case for future use. I think it would be great for powering up a model on the bench for testing without running down a battery.
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Old 05-10-2007, 01:00 PM
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Re: FrankenPower! Building a 12V Power Supply

not a new idea but you are rock! i built mine long time ago, but yours is really nice! thank you for those attracted pics
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Old 05-10-2007, 01:06 PM
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Re: FrankenPower! Building a 12V Power Supply

Thanks! It's fun!
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Old 05-10-2007, 03:12 PM
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Re: FrankenPower! Building a 12V Power Supply

I got one of these from Mike, if you don't want to build one, get one from him. This thing is awesome! Thanks Mikey!

Jay
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Old 05-10-2007, 03:16 PM
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Re: FrankenPower! Building a 12V Power Supply

Mine is still working! working GREAT!
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Old 05-10-2007, 08:01 PM
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Re: FrankenPower! Building a 12V Power Supply

same here works great!!
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Old 05-18-2007, 07:14 PM
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Re: FrankenPower! Building a 12V Power Supply

Mike,

Thank you so much for your help!
Here's my version. I found a compact power supply at a second-hand store for $2.00. Cool thing, all the wires are nicely labeled on the board

The first picture shows the basic setup you need.
1. 2 X 1 Omh 10 Watt Resistors - Used to creat the load for 12V
2. Green Power-On wire - This needs to be grounded in order for the power supply to turn on
3. Some power supplies have a sensor cable. In this case there are two, one black (-), and one orange (+). Each had to be paired-up with a wire of the same color (See picture 2). *If you're wondering why it looks like the black sensor cable is connected to the green wire, it is because the green wire ALSO has to be grounded so I just thought I'd get two birds with one stone...
4. Red Wire = 5V
5. Black Wire = Ground
6. Yello Wire = 12V
7. Fan

Pictures 3 and 4 show the power output. YLW + BLK = 12V. RED + BLK = 5V
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Last edited by therealhiphop; 05-18-2007 at 09:32 PM.
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Old 05-18-2007, 09:47 PM
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Re: FrankenPower! Building a 12V Power Supply

Good job! Glad I could help! Always happy to help
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Old 05-23-2007, 11:36 AM
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Re: FrankenPower! Building a 12V Power Supply

fine idea.... KEEP EM UP!
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Old 05-27-2007, 01:46 PM
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Re: FrankenPower! Building a 12V Power Supply

Nice thread! My school gave me a 100 watt supply to keep. I know it's small, but I'm only using it with my little E-Flite charger, that's it. So what I did was first cut all of the wires but 1 yellow and 1 black. I soldered the green wire directly to ground, there-by eliminating a switch. I didn't need a resistor, because I hae a fan as a load. I had some spare binding posts from another project, so this build didn't cost me anything. Very nice! The next one I do will be the one mentioned in the beginning of this thread. Here's some pics:
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Old 05-27-2007, 02:02 PM
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Re: FrankenPower! Building a 12V Power Supply

I do have one question though, im reading around 11VDC instead of around 12VDC. Any ideas why? again, green wire soldered to ground, didn't need a resistor, it powers up on its own, and 1 yellow and 1 black wire for 12vdc output. EDIT: I forgot to say that it shows 10.98VDC while im using the charger, but with nothing attached on the binding posts it reads 11.23V, still it seems like i should be getting more? Thanks again!
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Last edited by 3D_Kid; 05-27-2007 at 02:21 PM.
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Old 05-27-2007, 08:43 PM
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Re: FrankenPower! Building a 12V Power Supply

How many Amps is the power supply rated at?
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