Originally Posted by ANDYK48
I have an RF projector screen that I will like to automate its usage with Amazon Alexa.
I was thinking about SONOFF smart relay switches.
Is there a way to attach a SONOFF smart relay on the power cord of my RF projector screen, so I can finally integrate its usage with Amazon Alexa ?
For example, something like this one ?
My RF screen currently supports UP, DOWN and Pause functions but I am only interested for the UP and DOWN functions to be honest.
Thanks a lot.
These won't attach to the power cord. The screen probably has internally 2 switches and some relays because it has to change state from no voltage to positive voltage to negative voltage. The power cord just runs all this circuitry. You need to be able to get into the unit where the RF input runs into this stuff to do anything. What is the exact make/model of your setup?
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