7 Jul
2021
7 Jul
'21
2:09 p.m.
At the risk of being a downer (but I also know Sudo/Omni is having insurance issues), I
just wanted to point out that Cal Fire code 605.5 recommends against an extension cord
going through a ceiling or wall.
Extension cords and flexible cords shall not be
affixed to structures, extended through walls, ceilings or floors, or under doors or floor
coverings, nor shall such cords be subject to environmental damage or physical impact.
As long as it has a drip loop it’s probably fine, but I’m not an inspector, and haven’t
seen the fan either.
Sorry if this is not helpful for whatever reason. If that is the case, just add this email
to the long list of useless information flowing around the internet :)
On a more positive note: The control system ideas sound rad!
Eric
On Wed, Jul 7, 2021, at 13:48, Jake wrote:
Last night an intrepid cabal of hackers hacked their
way through a skylight to
install a high-flow ventilation fan on the roof!
The power cord hangs down into sudoroom so that mice and tiny hackers can
rappel down into the space rather than use the door like a noob. Also the
power cord can be used to supply power to the fan so that it runs.
It uses 500 watts but is quite powerful. I haven't seen our electric bill but
assuming we're paying about 25 cents per kilowatt-hour, leaving it on all the
time will cost us $3 per day, or $92 dollars per month.
I think that rather than leaving the fan on all the time, we should create a
sophisticated control system using a microphone and AI machine learning to
detect when people are flapping their mouths (meat talking) in the space, and
turn on the fan during those times. We can also measure humidity, or have a
camera watching for motion, or even look at network traffic and see if people
are using data in the nearby area. I can supply the relay connected to a
server where this software can make those decisions.
here is a picture of the finished product as viewed by birds. If you want to
see what it looks like from below, go into sudoroom and plug it in.
https://sudoroom.org/wiki/File:Sudo_apt_install_vent_fan_on_roof.jpg
-jake
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