[sudo-discuss] front door computer offline (but working?)

Thu Sep 29 12:50:06 PDT 2016

I have a ~3ft right angle extension that didn't get used for another
project. Happy to donate it. Grounded also.

On Thu, Sep 29, 2016 at 9:59 AM, <hol at gaskill.com> wrote:

> right angle would do it
>
>
> On 2016-09-29 09:04, Jake wrote:
>
>> that sounds like we should replace the plug on the end of the cord.
>>
>> maybe a grounded one will fit more snugly, especially a right-angle
>> plug so that the cord can hang straight down.
>>
>> On Thu, 29 Sep 2016, robb wrote:
>>
>> the 120v outlet that powers the 13.75v supply is still extremely janky.
>>> when you plug the cord in, it almost falls out of the outlet.
>>> the outlet is also 6ft up on the wall so the weight of the cord makes it
>>> even worse.
>>>
>>> the power to the door system is the least stable outlet in the whole
>>> building & it's powering the most crucial aspect.
>>>
>>>
>>> On Thu, Sep 29, 2016 at 12:59 AM, Jake <jake at spaz.org> wrote:
>>>
>>> please do not install a UPS or battery system on the front door system.
>>>>
>>>> it already has one and has had one for the whole time it's been in that
>>>> box on the wall.
>>>>
>>>> i meant to say this awhile ago when Robb first mentioned wanting to add
>>>> a
>>>> UPS, but I was not at a computer and able to respond.
>>>>
>>>> There is a 12-volt lead-acid battery in the cabinet on the wall, which
>>>> is
>>>> kept float-charging by a regulated 13.75 volt power supply in there.
>>>>
>>>> Connected to the 12-volt battery is a "car charger" dual USB socket,
>>>> which
>>>> takes the 12V from the battery down to 5 volts to two USB sockets.
>>>>
>>>> One of these sockets hosts a cord which powers the Beaglebone Black.
>>>> The other socket feeds a cord which is supplying power to a USB hub,
>>>> which
>>>> connects the beaglebone to the magnetic stripe reader outside the door,
>>>> and
>>>> to the arduino which activates the electromagnetic door latch, and the
>>>> speaker which makes happy and sad noises when people swipe their door
>>>> cards.
>>>>
>>>> the arduino also monitors the voltage of the battery, and sudobot (our
>>>> IRCbot) alerts sudoroom members if the battery voltage starts dropping,
>>>> which is what happens if the AC power to the box gets unplugged.
>>>>
>>>> as you can see, another UPS will not help anything.  what we need is to
>>>> eliminate the ethernet hub/switch between the reliable door computer,
>>>> and
>>>> the reliable server/internet infrastructure.
>>>>
>>>> this will be accomplished by routing the front door computer with the
>>>> dedicated ethernet cable Marc mentioned, which has already been run.
>>>>
>>>> thank you,
>>>> -jake
>>>>
>>>>
>>>> On Wed, 28 Sep 2016, robb wrote:
>>>>
>>>> i didn't install the 12v ups, yet, as the switch is 5v/3a
>>>>
>>>>> might be easier to back the whole circuit w/ a 120v ups as the problem
>>>>> is
>>>>> usually it getting unplugged.
>>>>>
>>>>> the outlet is about 6ft on the wall & i was thinking we could install
>>>>> another outlet directly underneath w/o too much cutting.
>>>>> incidentally, this is also the circuit that aqua viva uses to heat
>>>>> water &
>>>>> may continue to get tripped.
>>>>>
>>>>> On Wed, Sep 28, 2016 at 12:26 PM, <hol at gaskill.com> wrote:
>>>>>
>>>>> One of these badboys is all we need assuming we can keep a lead acid
>>>>>
>>>>>> battery charged nearby https://www.amazon.com/DROK-Co
>>>>>> nverter-Step-down-
>>>>>> Transformer-Regulator/dp/B00C66B3PM/
>>>>>>
>>>>>> If there's already a wire nest we could also deadbug a TO-220 package
>>>>>> regulator into the fold.
>>>>>>
>>>>>> On 2016-09-28 12:07, hol at gaskill.com wrote:
>>>>>>
>>>>>> What is the input voltage to the switch, 7.5V?  I need to order some
>>>>>> switching regulators, can get an extra one that meets power needs of
>>>>>> switch
>>>>>> if we want to run from lead acid battery.  Alternately could boost
>>>>>> from a
>>>>>> regular USB battery bank that stays plugged into a wall wart to top
>>>>>> off.
>>>>>>
>>>>>> On 2016-09-24 17:47, robb wrote:
>>>>>>
>>>>>> i think those (myself included) who want a dedicated line should run
>>>>>> it
>>>>>> at
>>>>>> our earliest convenience
>>>>>>
>>>>>> as to the power, wouldn't a ups be nice for between the wall outlet &
>>>>>> door
>>>>>> system?
>>>>>>
>>>>>> On Sat, Sep 24, 2016 at 5:25 PM, Jake <jake at spaz.org> wrote:
>>>>>>
>>>>>> last week I power-cycled the front door beaglebone black and its
>>>>>> ethernet
>>>>>>
>>>>>>> interface started working again.  Before I did that, the ethernet
>>>>>>> port
>>>>>>> was
>>>>>>> not getting a link at all, even when connected to a known good cable.
>>>>>>>
>>>>>>> After the power cycle, its ethernet worked, but since I had not power
>>>>>>> cycled the USB hub and magstripe reader, it was giving errors until i
>>>>>>> rebooted it, and then it worked properly.
>>>>>>>
>>>>>>> well i spoke too soon, it just came back online by itself.
>>>>>>>
>>>>>>> The front door computer has a battery backup so that it can keep
>>>>>>> working
>>>>>>> even if the rest of the world disappears.  But we won't find out
>>>>>>> about
>>>>>>> it
>>>>>>> losing power unless it has a connection to the internet.
>>>>>>>
>>>>>>> presently it goes through at least one hub on the way back to the
>>>>>>> server
>>>>>>> area, and that hub does not have a battery backup, and apparently
>>>>>>> gets
>>>>>>> unplugged regularly.
>>>>>>>
>>>>>>> I still think we should have a dedicated CAT5 ethernet run from the
>>>>>>> front
>>>>>>> door to the server rack, since this is such important infrastructure.
>>>>>>>
>>>>>>> thank you
>>>>>>> -jake
>>>>>>>
>>>>>>>
>>>>>>> On Mon, 19 Sep 2016, Marc Juul wrote:
>>>>>>>
>>>>>>> Eh it's pretty far and going through a floor and the timeless
>>>>>>> infinite
>>>>>>>
>>>>>>> light room. Let's not run that again if we can help it. I'll go check
>>>>>>>> on
>>>>>>>> it
>>>>>>>> in a bit. We could do a new run up to the public terminals and just
>>>>>>>> join
>>>>>>>> it
>>>>>>>> to the existing wire from the doorputer to get a dedicated run.
>>>>>>>>
>>>>>>>> --
>>>>>>>> marc/juul
>>>>>>>>
>>>>>>>> On Mon, Sep 19, 2016 at 8:02 PM, Jake <jake at spaz.org> wrote:
>>>>>>>>
>>>>>>>> the front door computer is still not on the network as far as i can
>>>>>>>> tell.
>>>>>>>>
>>>>>>>>
>>>>>>>>> i haven't seen sudobot talk (in irc) about the front door since
>>>>>>>>> 9/13
>>>>>>>>>
>>>>>>>>> i'm assuming people are still able to use their cards to get in?
>>>>>>>>>
>>>>>>>>> we really need a dedicated CAT5 cable run from the front door
>>>>>>>>> computer
>>>>>>>>> to
>>>>>>>>> the server rack in sudoroom.  No hubs or switches along the way.
>>>>>>>>>
>>>>>>>>> -jake
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Sat, 17 Sep 2016, robb wrote:
>>>>>>>>>
>>>>>>>>> reseated ethernet connections
>>>>>>>>>
>>>>>>>>> the bbb's ethernet port leds blink
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> i noticed the power cord is miserably connected to the wall & the
>>>>>>>>>> ethernet
>>>>>>>>>> run takes an unfortunate journey under the rug between sudo to
>>>>>>>>>> stage
>>>>>>>>>> door
>>>>>>>>>>
>>>>>>>>>> On Fri, Sep 16, 2016 at 1:35 PM, Jake <jake at spaz.org> wrote:
>>>>>>>>>>
>>>>>>>>>> the front door computer does not appear to be on the network.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> i'm guessing people are still using their cards to get in, but if
>>>>>>>>>>> there's
>>>>>>>>>>> a problem, for example if it gets unplugged from electricity and
>>>>>>>>>>> switches
>>>>>>>>>>> to battery backup, we will not be notified and will not know to
>>>>>>>>>>> send
>>>>>>>>>>> help.
>>>>>>>>>>>
>>>>>>>>>>> can someone take a look at the ethernet situation over there and
>>>>>>>>>>> see
>>>>>>>>>>> why
>>>>>>>>>>> it's not getting back to the main network?
>>>>>>>>>>>
>>>>>>>>>>> -jake
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> sudo-discuss mailing list
>>>>>>>>>>> sudo-discuss at lists.sudoroom.org
>>>>>>>>>>> https://sudoroom.org/lists/listinfo/sudo-discuss
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>> sudo-discuss mailing list
>>>>>>>>> sudo-discuss at lists.sudoroom.org
>>>>>>>>> https://sudoroom.org/lists/listinfo/sudo-discuss
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>>
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>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
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