On Wed, 16 Jan 2019 13:34:32 +1300, Rick Christian wrote:

> Hello everybody!
>
> So I am investigating means to accomplish a goal...
>
> Wrangle my growing ordchard of raspberries.... :) ;)  (Here all week,
> try the veal, tip your waitress! :) )
>
> Any way..... I am looking at what other solutions some have found for
>
> 1) Mounting Pi's in racks ie: 1-3U high rack mounts like:
>
> https://www.etsy.com/listing/544554171/sbc-storage-rack-rackmount-
compatible?
> ref=listing-shop-header-2
>
> https://www.etsy.com/listing/609961042/sbc-pi-storage-bay-for-raspberry-
pi?ref=
> related-1&frs=1
>
> http://www.pcsl.eu/index.php?route=product/product&product_id=306
>
>
> Similar items for 3 Pi's in 1U rack were made by a company in the UK,
> since EOL. Beast I can tell, and the on that had it listed as "In stock"
> was a UK company and likely won't ship to the US or it would triple or
> more the price $60..
>
> MCM/Newark had one, had, too... its gone...
>
> Any one found ones they like???? 4-10 Pi's per unit
>
>
> 2) Power Supplies for the above...
>
> Let me state this to start.. I am really not into the whole idea of
> using an ATX PS and using its 5V rails for this.. Seems wasteful to then
> let the rest of it go to waste... so... for now lets just table that
> option...  I've tapped existing setups to power stuff like this....where
> its fully utiized ie: PC and then 12VDC stuff off it...
>
> So 10 Pi's is basically 30 AMPS!! I've seen various thin PS with 5VDC
> and 30-40AMPS out, my big dislike, they use screw terminals for the AC!
> Nein! Even with a crimped ring connector 120VAC on screws is not what I
> call safe or good practice... Something with an IEC AC input is much
> more preferred...
>
> Any have suggestions for the above for racks and power supplies ? ? ? ?
>
> THANKS!
>
>
> Rick

I believe that pi's are generally acknowleged to require 1 amp or a bit
more under heavy load, so would be more like 15 amps for 10.

I would suggest you might look at some mini-itx power supplies. Still a
bit of overkill, but they are compact.

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