Re: Garage door control

[J Miller <reply@here>]

Spud Demon 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.  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
Here's what I use:

AMSECO 505-371G (Mouser 507-AMS-37)
Magnetic Reed Switch

It's about $5, and is a "wide gap" reed switch.

Page 8 of this pdf show it mounted on the top of a std garage door.

http://www.eclipsehomeauto.com/gdoor/gdoor.pdf

>
> * 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?