Installing a microwave sensor in a room with two outlets - how to do it?

Question

Hello! I would like an answer to the following question: can a microwave motion detector be installed in a room? To a question edited in this way there is of course the answer Yes, you can! but I am concerned with something else. Well, there are two exits from this room. One leads to the terrace...

Anonymous · Accepted Answer

The sensor will not distinguish between entering and leaving the room.
You need 2 vertical curtains order of activation.
Obviously INTEGRA ≧64 control panels + expander for 230V in the switchboard.
Costly in terms of work this "water feature".
The alarm response is done similarly - going into the kitchen does not trigger the alarm.
A PIR sensor + a bit of software is all that is needed to determine where you are.
Also to be done on INTEGRA.
If you are in the middle of an installation it is the right time to implement.

Anonymous · Accepted Answer

Presence is detected by a PIR sensor. The microwave works in the same way.
If you want to effectively detect presence you need to install 2 PIR sensors,
to have good coverage. Alarm sensors will be small and good.
You need to logically sum these sensors, then make a timer circuit to extend the operation of this 'logical sum'. The output of the timer circuit must control a relay in class 2 which will turn on the light.
Even in the case of the INTEGRA control panel, this is not so simple in an existing facility.
Because there must be a connection between the 230V expander and the light switch.
Unfortunately, all connections to the 230V network have to be foreseen when building the facility.
A "smart home" will not virtually switch anything on.

There is no book that at least gives a list of solutions, of the various "fabs" that can be applied.
It is not about implementation at all - but pure functional needs.

xury · Answer

The fundamental question is why should it be microwave and not PIR ?

Tomaszek 55 · Answer

For aesthetic reasons. The chandelier I constructed is of plywood, in the form of a circle hanging a few cm below the ceiling. There are six adjustable LED spotlight meshes arranged around the perimeter. I wouldn't want any protruding PIR detector type elements, as it will lose the charm of a levitating plate....

Tomaszek 55 · Answer

Well I wouldn't want such a revolution.... I was just thinking of a simple soloution to make the contraption detect the presence of a person or several.... Like Leonardo, I'll wait until someone builds the device I need....

Tomaszek 55 · Answer

I gave up - too much rework. I installed a double line of IR sensors.

Installing a microwave sensor in a room with two outlets - how to do it?

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