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What do I use to 'see' if my outside Light is switched on?

JonJon Member
edited August 2017 in Questions & Help
I have an outside flood light, attached to my house, that is triggered on movements from an external movement sensor. I'd like to start a recording and do other stuff when the light is actually switched on. (I don't know how much Volt is used to send the 'ON' signal from the sensor to the light).

So I need to place some smart measuring device in between the sensor and the light.
I guess there must be some sort of generic device that can do this, AND is also smart AND is also Homey-compatible.
Preferably as cheap as possible.
Any tips?

Comments

  • danonedanone Member
    A z-wave device. Like an Aeotec Smart switch 6 or energy meter or if you can wire it yourself then a Fibaro single or double switch 2 which reports the power consumption. They all are smart and Homey compatible. Maybe not cheap. My two cents ideas.
  • EternityEternity Member
    edited August 2017
    Perhaps this.... (not tested!)

    Or and older generation Fibaro door/window sensor. They have an external input, that could be fed by the motion on signal. So, if the floodlight is triggered by the motion sensor, the door/window sensor is triggered too. 

    I bought one second hand to do something similar... If my 9ld school doorbell is pressed, it also triggers the input of the Fibaro...making my doorbell smart(is) and available in Homey. 
  • JonJon Member
    @Eternity thanks for your input. Do you have a type / model number of this fibaro sensor? 
  • EternityEternity Member
    @Jon
    Not now, I am on vacation.

    However, the old version has a 4-way screw connector in the unit which also allows to connect a (separately sold) temperature sensor.

    The newer version does not have this auxiliary connector, but comes with a built in temperature sensor. 

    I believe @caseda was the one that pointed this out to me. 
  • JonJon Member
    Thanks @Eternity !
    Okay, would be great if you or @caseda knows a type/model no.
  • casedacaseda Member
    edited August 2017
    Correct, the newer version (fgdw-002) only has a build in temp sensor, but is missing the connections because of this.

    The older fgk-00x (x = 1 - 9) (z-wave plus and non-plus versions) does have this, be careful that there can't be any power on this input, so only a switch can be attached, as most motion sensors (230v) have power on the trigger wire.

    If that is the case your best bet is a build in module like the fibaro Dimmer 2 (fgd-212) or Switch 2 (fgs-2x3) or the newer aeotec nano switch/dimmer.
    Don't know any other brands from the top of my head with measuring
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