You can get 4 ZigBee smart plugs with energy monitoring for $35. These are not IOT devices and if you just want to know if the fridge is running, these will do that, with the added benefit of allowing you to leave the fridge’s WiFi disconnected, which is a security gain.
You can get 4 ZigBee smart plugs with energy monitoring for $35. These are not IOT devices and if you just want to know if the fridge is running, these will do that, with the added benefit of allowing you to leave the fridge’s WiFi disconnected, which is a security gain.