[time-nuts] DC distribution

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Oct 4 19:51:10 UTC 2019


--------
In message <119811778.3750152.1570204871728 at mail.yahoo.com>, Taka Kamiya via ti
me-nuts writes:

>Mine is very simple....
>USB connector for 5VBarrel connector 5.5/2.1mm for 12VTerminal strip for 24V
>None of them are high power devices.

Yes, I forgot to mention that too:

I have very few 5V devices, but I power them all using USB cables
and an "Industrial[1] USB Hub" which takes 10-30V input power.

As long as you don't plug the hub's upstream ("B") port into a
computer the noise-level seems fine.

Poul-Henning

[1]  = Metal case with mounting holes instead of oddly shaped plastic


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




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