[exodust]

How do you know the garage door is "open"? If you receive an identical notification whenever the sensor is triggered, the door could be open or closed.

With something like a garage door, knowing its state is very important, perhaps more important than knowing when the sensor has been triggered. When someone leaves the garage door open (kids), this is what we need to be notified about. Is the Notifon up to this task?

Also, range might be a real issue when the nodes are placed outside or in the letterbox.

One more thing, and this is just a personal preference in response to the idea that I "won't want to hide the device". I don't understand why people think white plastic is the best choice of color. So many cheap kitchen appliances are white plastic. If you have floorboards and warm living areas with warm tones everywhere, shiny white plastic objects are an eyesore. IMHO.

[clement87]

Of course the Node can trigger two states. So you know when it's open or closed. You can set a different message for each state.

[exodust]

Sorry, but just saying "it can do it" without explaining how, is not convincing!

The magnetic switch in the video - I have used before, and they do not distinguish between "open" and "closed".

When someone opens the garage door, a notification is sent: "garage door open".

When someone CLOSES the garage door, a notification is sent: "garage door open".

Unless you can provide further explanation, the device only notifies of "activity", not specific activity such as open or closed. In which case, you're being a tad misleading.

[clement87]

I think you should try again to play with your magnetic switch. Here is some help: http://en.wikipedia.org/wiki/Reed_switch

[exodust]

Ok, thanks for the useful link (I think). When I played with wireless door sensors and Arduino, detecting door state reliably wasn't happening. Maybe it's the wired vs wireless factor that gives yours the edge. Maybe that's the trade off to know open/closed state with certainty, is to use wired sensors.