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RB Technik has equipped this handy Sonoff device with the Casambi chip. As a result, up to 4 voice commands can be linked to scenes in the Casambi app. For example, it is useful to reserve the fourth channel (command) for an 'all off' command. You supply the interface with 230V and follow the instructions in the PDF. You can get started with Alexa or Google home.The Casambi app recognizes the device and you can assign the scenes in the SWITCH FIELD. You don't have to do anything with the hard contacts (outputs), voltage on them is enough.
Below is the PDF of the supplier. PDF not displayed correctly? click here.
Ondernemingsweg 131422DZ Uithoorn0031 (0) 886478965
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New Hemweg Amsterdam 0031 (0) 886478965