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 Post subject: Tapping +5V from WD MyBook?
PostPosted: October 12th, 2024, 6:08 
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Joined: October 12th, 2024, 6:01
Posts: 1
Location: Spain
I want to hack a NAS from a Raspberry Pi + WD MyBook 10TB 3.5 Drive.
I want to power the RBPi from the WD board (5V), im examining the PCB and I see a couple of potential points, there is also a side of the PCB that looks it could host a USB type A connector.
Any ideas?


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 Post subject: Re: Tapping +5V from WD MyBook?
PostPosted: October 12th, 2024, 15:00 
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Joined: September 8th, 2009, 18:21
Posts: 16000
Location: Australia
What is the current draw of the Pi?

Show us a photo of the bridge PCB. Is this the one?

https://goughlui.com/2019/12/19/quick-review-western-digital-elements-10tb-external-usb-3-0-hard-drive/

https://archive.goughlui.com/wp-content/uploads/2019/12/2019121418032865.jpg

The 5V output would be at the junction of L6 and C9.

TPS54339E, Texas Instruments, Synchronous Step-Down SWIFT Converter with Eco-Mode, 3A, 4.5V - 23V Input, SOIC-8:
https://www.ti.com/lit/gpn/TPS54339E

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