[sudo-discuss] front door computer offline (but working?)
hol at gaskill.com
hol at gaskill.com
Thu Sep 29 09:59:09 PDT 2016
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-Converter-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
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>>
>>>>>>>>>
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>>>>>>>>
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>>>>>
>>>>
>>
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