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Hello everyone !

I'm seeding/cross-post this in 3 communities because I think I will get better answers in each respective one (Hardware, coding, electronics).

As the title say I'm want to learn to build from the ground up those cheap solar led/optic fiber lightning, here some images to get what I mean:

They come in bundles but after awhile they just die out without repair ability which kinda sucks and because they are cheap my mum keeps buying them... So, I would like to build ones I'm able to repair and customize :). However I have absolutely NO idea where to begin and what exactly I'm searching for... I'm lacking the skills and knowledge on the 3 fronts !

• What hardware I'm looking for ?
• What kind of electronics ?

Hello everyone!

As a photographer without a lot of money, my girlfriend used external drives to backup her files. A few years ago, she was able to upgrade to two 8tb WD My Book: one that she uses on a day to day basis, the other as an exact copy (thank's SuperDuper!).

But we now want to upgrade to a NAS. Since we will need a lots of storage (I was thinking four 8tb drives, so that we can have a few tb each with redundancy), I was wondering if I could use the drives inside the My Book in our NAS?

I could just open it, but I don't want to ruin her hd before we buy our NAS, and I can't find any reliable info about what's inside. I'm sure there are some reliability issue in using used hd in a NAS, I'm just curious.