The Wifi connected Shelly 1 relay can turn any dumb light switch in your house into a smart light switch for less than $15.
The Shelly 1 Relay Can Make Any Light Switch Smart - HomeTechHacker
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The Shelly 1 Relay Can Make Any Light Switch Smart - HomeTechHacker
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How does the Shelly 1 Smart Relay Switch work?
Shelly Button 1 Review (with Home Assistant) - HomeTechHacker
Shelly 1 PM Relay Switch, WiFi Smart Home Automation, Compatible with Alexa & Google Home, iOS Android App, No Hub Required, Wireless Light Switch, Smart Appliances Gadgets, Non UL, 2 Pack:
shelly 1 Archives - HomeTechHacker
Shelly-1-x2 - The smallest Wi-Fi-operated relay switch.
Wiring the Shelly Plus 1 Relay - HomeTechHacker
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