switches do not resume "on" after power failure
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Dear . Can you set up 4CH pro/4CH-R2 like that: CH1 connect with motor 220v -80w, CH2- adapter 220-5v (for connect a small buzzer. When Power =0, or approximate =0, CH2 - will turn on.
hello, I have a sonoff 4 CH
5V electronic card, there is with strange behavior when the power drops
(220Vca). Recently the electric power failed for seconds and when it
came back the output relays of the sonoff were switching (on / off). it
is set to the OFF outputs when energized.