Modify Sonoff Basic to work as a Dry Relay (model sold in 2019)

Описание к видео Modify Sonoff Basic to work as a Dry Relay (model sold in 2019)

By default, the Sonoff basic passes voltage to the Relay terminals. This is not always useful and instead you need a Dry Contact (no voltage) Relay. This video show you how to convert the Sonoff SV to just that! This model has been bought early 2019 (with 2 black wires).

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