Initial configuration for A16v3

[Erazer]

Perfect. Now it works just by using the gnd connection and configuring IFTTT for the inputs and outputs toggle. Really appreciate your help.
If I have multiple switches cand I use the same GND to have control on the inputs?

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Perfect. Now it works just by using the gnd connection and configuring IFTTT for the inputs and outputs toggle. Really appreciate your help.
If I have multiple switches cand I use the same GND to have control on the inputs? does it also work with regular switches (i mean classic ones that only require 1 wire just to switch the line)