Re: Seeking cable management ideas....

Theo <theom+news@chiark.greenend.org.uk> wrote:

 
We made a cluster of 50 Pi4s in a 4U server chassis.  To avoid a cabling
nightmare much of the interconnect was via boards plugged into the GPIO.
They provided power and USB-serial for the UART - it also allowed power
switching the Pi for hard resets.  Power was daisy chained from a big
PC PSU:
https://github.com/Cambridge-AdvancedOS/cam-power-uart-hat
 
At the back of the box was a big USB hub and an ethernet switch, from where
everything fed into a master controller Pi.
 
That was a custom build, but companies have similar solutions:
https://www.8086.net/products
 
Since the Pi only needs a 5V supply, putting in power via the GPIOs avoids
needing USB-C PSUs.
 

All are elegant, but I'm trying hard to stick with commonplace off-the-shelf
components that are individually replaceable without disturbing anything else.

Thanks for writing!

bob prohaska