Hobbyists, electronic enthusiasts and makers may be interested in a new 4 channel relay board aptly named the RelayFi. The 4 channel smart relay board is powered by a ESP32 WROOM providing the ability ...
How-To Geek on MSN
This $5 ESP32 board is the ultimate choice for DIY smart home projects
It's why DIY smart home projects suddenly got cheap (and actually doable) ...
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