Wi-Fi light Sensor

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stubits

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I am in need of a Wi-Fi light sensor. Our facility is quite large and we have an existing Wi-Fi network in place, so Wi-Fi sensors make the most sense. There are not many such sensors commercially available and those that I have been able to find simply sense any presence of light... I need to detect excess levels of light, not just regular light.

First, any suggestions for a commercially available battery operated Wi-Fi light sensor that meets these specs?

Assuming one is not available, I'd appreciate any suggestions as to how I might be able to cobble one together. We have had great luck using the Monnitt brand Wi-Fi sensors for other applications and thought it might be possible to retrofit one of them to function as a light sensor. In particular, They have a
Dry Contact Sensor (http://www.monnit.com/Products/Wireless-Sensors/Wi-Fi/Wi-Fi/Wireless-Dry-Contact-Sensors);
Open/Closed Sensor (http://www.monnit.com/Products/Wireless-Sensors/Wi-Fi/Wi-Fi/Wireless-Open-Closed-Sensors); and
Analog Voltage Sensor (http://www.monnit.com/Products/Wireless-Sensors/Wi-Fi/Wi-Fi/Wireless-Analog-Voltage-Sensors)

Might any of these be able to be retrofit with a photo resistor? If so, what sort of photo cell/photo resistor would I need to use?

Any thoughts, suggestions, or recommendations you can make would be tremendously helpful.
 
Thank you both for your assistance!

I am looking to detect the strobe light associated with a fire alarm. The strobe is obviously much brighter than any ambient light in the space, but the space will have regular office lighting as a norm.

Thoughts?
 
stubits said:
Thank you both for your assistance!

I am looking to detect the strobe light associated with a fire alarm. The strobe is obviously much brighter than any ambient light in the space, but the space will have regular office lighting as a norm.

Thoughts?
Click to expand...

Depending on the application you may be better off to interface with the alarm system itself in some way instead of relying on accurate detection of the light from the strobe.
 
It would be 100 times easier if we could interface directly with the fire alarm system. Unfortunately we are in a massive government building and that is just not an option. Thanks!
 
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