Garage door control|
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Posted by Spud Demon on May 7, 2009, 7:14 pm
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computer records which codes are pressed and triggers the door if one is correct. It also takes a picture of the person at the control. So I need recommendations for the following pieces of hardware: * keypad -- to be used in the script, not as a console keypad. It will be mounted outdoors so it shouldn't be too expensive. Preferably USB. * relay -- I found the Super4 http://emx.net.au/super4usbrelay.htm Is it the best for the price? * camera -- also mounted outdoors (but under an eve so it won't get too wet) * open/closed sensor * USB extender -- the garage door is 75' away from the computer I want to use, 30' away from one I could use in a pinch.- Anything else I should know before I start? | ||||||||||||||||||||||||||||||||||
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Posted by Chris Davies on May 8, 2009, 3:49 am
Please log in for more thread options You're prepared to forego the door opening if your server is unavailable? You might want to take a look at using a hardware watchdog to reset the system if it's failing to respond. Oh, and a UPS of some sort. Chris | ||||||||||||||||||||||||||||||||||
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Posted by Markus Baertschi on May 8, 2009, 4:43 am
Please log in for more thread options > > I want to automate my garage door using Linux. =A0The idea is that the
> > computer records which codes are pressed and triggers the door if one > > is correct. >
o
> You're prepared to forego the door opening if your server is > unavailable? You might want to take a look at using a hardware watchdog t= > reset the system if it's failing to respond. Oh, and a UPS of some sort.
> > Chris For the keypad/code/garage opening part I'd use an already available door opening keypad. That makes you independent on your linux computer to open the door. The door opening process triggers linux to take a picture. So if the PC is down you don't have a picture but can get in to fix it. Markus | ||||||||||||||||||||||||||||||||||
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Posted by Spud Demon on May 8, 2009, 9:57 am
Please log in for more thread options wrote:
>
> > > I want to automate my garage door using Linux. The idea is that the
> > > computer records which codes are pressed and triggers the door if one > > > is correct. >
> > You're prepared to forego the door opening if your server is
> > unavailable? You might want to take a look at using a hardware watchdog to > > reset the system if it's failing to respond. Oh, and a UPS of some sort. >
> > Chris
>
> For the keypad/code/garage opening part I'd use an already available > door opening keypad. That makes you independent on your linux > computer to open the door. The door opening process triggers > linux to take a picture. So if the PC is down you don't have a picture > but can get in to fix it. > > Markus I want to log all incorrect keypad attempts. Yes I do have normal garage door remotes which can bypass the keypad, but I always take my front door key with me in case of power failure anyway. Aside from long-duration power outages, my systems have pretty high availability. It seems like the keypad might be the limiting factor though. How about a UHF remote, has anybody connected one of those to a Linux system? | ||||||||||||||||||||||||||||||||||
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Posted by Phil W Lee on May 8, 2009, 10:17 am
Please log in for more thread options 06:57:46 -0700 (PDT) the perfect time to write:
>wrote:
>>
>> > > I want to automate my garage door using Linux. The idea is that the
>> > > computer records which codes are pressed and triggers the door if one >> > > is correct. >>
>> > You're prepared to forego the door opening if your server is
>> > unavailable? You might want to take a look at using a hardware watchdog to >> > reset the system if it's failing to respond. Oh, and a UPS of some sort. >>
>> > Chris
>>
>> For the keypad/code/garage opening part I'd use an already available >> door opening keypad. That makes you independent on your linux >> computer to open the door. The door opening process triggers >> linux to take a picture. So if the PC is down you don't have a picture >> but can get in to fix it. >> >> Markus >
>I want to log all incorrect keypad attempts. Yes I do have normal >garage door remotes which can bypass the keypad, but I always take my >front door key with me in case of power failure anyway. Aside from >long-duration power outages, my systems have pretty high availability. > >It seems like the keypad might be the limiting factor though. How >about a UHF remote, has anybody connected one of those to a Linux >system? Would one of the usb numeric keypads (sold for notebooks) fit the bill? | ||||||||||||||||||||||||||||||||||
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> computer records which codes are pressed and triggers the door if one
> is correct.