6 Pin Mini-din Power Adapter (for External Harddisks)

hi so i planned on buying a new HDD dock since i fried my old one while taking messurement with my multimeter (THANK GOD i had the hard drive unplugged)
but the cheap one i want i have read a lot about the power supply failing after 3 day or being defective at ariveal so i mixed this together.

happy building

READ THIS TOO!!!
this will not be the best powersupply but it will do the job

DISCLAIMER. (yes i have to say this)!!!!!!
I AM NOT RESPOSIBLE FOR ANY DAMAGE TO YOUR HARDWARE OR YOURSELF CAUSED BY ACTIONS TAKEN BECAUSE OF THIS INSTRUCTABLE

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Step 1: Getting the Parts

you will need

*some sort of wall-plug (230V AC in EU or 120V AC in US) to 12V AC or DC power supply.
you can get one out of the kind of lamp in the picture
*a USB cable that you dont min cutting

*a 6 pin mini-din power plug

[all og the following items will only be needed if you use an 12V AC transformer like the ones in the lamps]
*some diodes rated for 3 amps at 20 volts.
*a big capacitor to even out the very unstable DC

Step 2: Connecting the Stuffffffff

ok so what you will need to do know is follow the instructions below. if you use a 12V DC converter follow those steps.

using a DC converter:
 connect the wires like you see on the picture. ignore the transformer parts.

using the AC converter:

connect the part up as seen on the picture.

if you are worried you might frie your harddisk and all of its data. you could add a fuse to both the 12 V and 5 V wires. just make sure you ad them in series with the wire.
the fuses sizes should be determined by the info on your harddrive


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    2 Discussions

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    westfw

    8 years ago on Introduction

    Not all disk drives with a mini-din power connector have the same pinout. A spent a lot of time (and eventually a call/email) to Customer Support trying to power a WD disk drive with a LaCie power supply, or vis versa :-( (Fortunatey, the disk survived the experience.)

    I'd be more inclined to attach to the internal power supply of my computer, where I have some faith that the 12V wire actually has 12V on it, though the fusing issues (lack thereof) might be a worry...

    1 reply
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    dumle29westfw

    Reply 8 years ago on Introduction

    i agree.

    this is a VERY raw version of a power supply. got it working though.

    (had to throw a few diodes on to take some voltage on the 12v supply)