Sep 1
1-Wire Temperature Sensors
icon1 Michael Requeny | icon2 Uncatagorized | icon4 09 1st, 2008| icon32 Comments »

Well I finally got some Dallas Semiconductor 1-Wire Tempature Sensors in.  I quickly threw a bunch on the breadboard to see how accurate they are and stuffs, pretty nifty, 2 wires is all it takes, ignore the 3rd leg of the sensors it doesn’t do anything…

Breadboard + 1-Wire Tempature Sensors

Breadboard + 1-Wire Temperature Sensors

I put white blocks in the picture because of the nonsense on the breadboard–it was just some toying of a segment display from awhile back…

I plan to use these sensors (along with many more) to build a weather station, and I’d like to place a few throughout the house to see the difference in tempature between the rooms.  Would be intresting to see the temp difference between the outside, attic and home on a graph.

Aug 25
Keyfob Success!!!
icon1 Michael Requeny | icon2 Uncatagorized | icon4 08 25th, 2008| icon32 Comments »

OMG KEYFOB MANIAAAAAAAAAAAA
I ordered 103 HID keyfobs (used) for less then I paid for 3 NEW
These are almost all 5 digit keyfobs so every single one works just fine with my panel!!!

Keyfob Mania!!!

Keyfob Mania!!!

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Aug 21
More Access Cards
icon1 Michael Requeny | icon2 Uncatagorized | icon4 08 21st, 2008| icon3No Comments »
My DuoProx II cards came in today, they are 125mhz RF cards and magstripe…Not sure I’ll ever use the magstripe but figured why not spend the extra $0.25 a card.  The read range is good about 4″-5″ and it reads just fine through my wallet at about 3″.  Keyfobs are in the mail and should be here soon I hope…
HID DuoProx II

HID DuoProx II

Aug 16
Keyfob Failure…
icon1 Michael Requeny | icon2 Uncatagorized | icon4 08 16th, 2008| icon3No Comments »
So I got 3 NEW keyfobs for about 13 shipped on ebay.  I rush to add them to my system, and for some reason they don’t get registered by my access panel… The HID reader reads them just fine, so they work.  Just something is up with the panel, I know it has to do with the way it interperates the card/keyfob # or some junk, these are 6 digit keyfobs, the cards I’ve programmed have all been 5 digit…So off to find another auction…
Keyfobs

Keyfobs

Aug 6
HID Reader Installed
icon1 Michael Requeny | icon2 Uncatagorized | icon4 08 6th, 2008| icon3No Comments »
So I got a pair of HID Readers today, MiniProx’s I expected them to be smaller but oh well, they work nice…  I mounted one up for the garage door outside properly, and used a terminal block to make the connections because it only has a 18″ pigtail.  I used STP Cat5 because honeywell/northern computers recommends sheilded cable, and STP Cat5 was lying around on a workbench…
Pics below:

HID Reader in Box

HID Reader in Box


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Jul 25

So with a tip from a fellow on the internets, I was able to finish that last step in programming it, setting the link between a card reader and an output.  It was all working so I ran to install it, took a little under an hour and it works! w00t!!!111oneoneeleven

Pics:

N-1000-II Mounted

N-1000-II Mounted

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Jul 20

So I tinkered around today with it some more, and realized my mistake when I previously tried to program the panel.  Every command has to be prefixed with a space.  The other show stopper is the POS USB<->Serial Dongle I am using, it craps out after a few minutes and I have to change the com port, disable/reenable the device, or unplug/replug it in…

I made good progress today, Assigned the Reader to an Output, Added the Card to the Reader, and named the Panel, Reader and Output.  I cannot get the panel to energize the output when I have a successful read, however the LED status on the reader works now and I can see the actions in the terminal processing.  I know it has to do with the V command, but everything I’ve done thus far is invalid syntax, stupid Honeywell needs to improve on this documentation from 1995.  Perhaps I’ll try to get a firmware upgrade for this thing, apparently you have to send the EPROMM in to get it, PITA.   Heres a pic from my tinkering…

Access Control Progress

Also bidding on a Blackbox wireless serial server so once this is installed I can make whatever changes over the network…mmm disable someones proxcard (key) to the house via VPN–oh the joys…

Anyone else who wants to do something like this, the Northern Computers panels may be a cheaper solution since they are in surplus out of old buildings, however something like an ELK-M1 may prove to be more user friendly and alot less fustrating…

Jun 29
Cooling Home “Datacenters”…
icon1 Michael Requeny | icon2 Uncatagorized | icon4 06 29th, 2008| icon31 Comment »

So I wish I had a neat little graph to post, however it’s full of holes due to my syslog/snmp monitoring server powering itself off due to thermal events…In the summer heat here in South Florida my rack gets to over 112°F.  It’s in the garage due to the sheer noise and the heat that is generated, I have been contemplating a portable room a/c unit or one of those split systems but both would be a waste of energy since the garage door opens atleast 2 times a day.  All of my whitebox and my larger Dell server don’t give a rats…that it’s 112°F.  Only this 1U Dell PE1550 seems to care.  But in reality I can’t even blame it all on that server, the rack’s UPS has been needing a new battery cartridge for over 3 months so it’s possible that it’s dropping power and the other servers power back up and not that one…The NetBot’s Device Crawler indicates that *could* be the cause with uptimes of the core network devices in that rack.  Either way I need to get to the bottom of this as I am virtualizing more and more on that 1550…I guess I’ll head by batterysplus and get raked over the coals for the no less then 8 batteries in this cartridge…damn technology…

Jun 10

So I picked up this Northern Computers N-1000-II Access control panel from fleabay for a few bucks.  I’m working to make my garage door have card access, and then maybe the front door of the house.  Still haven’t figured out howto program it, the serial port spews out timestamps of events (alarm conditions, card reads, etc) you can program one of the 2 card reader inputs to energize a relay output when an “authorized” card is read..

N-1000-II

Jun 1
New PE Server
icon1 Michael Requeny | icon2 Uncatagorized | icon4 06 1st, 2008| icon3No Comments »

Just got this Dell PE1950 from fleabay for a mere $55 bucks.  The guy was local so a quick drive to pick it up.  Planning on using it for VMWare, it’s a dual 1.4ghz P3 with 2gb of ram.  Rack’in it was fail because it’s designed for square hole racks, not my round ibm rack…(not a versa/rapid rail issue) it’s like chassis has slots to fit into square holes only, I might just trim them a bit to make it fit, but meh…

pe1950

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