First, take a look inside the device: In principle, the Sonoff Basic is a single-relay unit to be used as retrofit, based on the ESP8266 chip, a very popular and inexpensive Wi-Fi solution. However, ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...
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