A plug that costs about $10 can tell your phone when laundry or dishes are done, and warn you if a freezer is failing, with no new appliance needed.
A How-To Geek writer says you do not need a pricey smart washer or dishwasher to get a phone alert when a cycle ends. An energy-monitoring smart plug, which costs around $10, can do it for nearly any machine, new or old. The setup uses Home Assistant, a smart home platform.
The plug measures how much power a machine pulls. While a cycle runs, power use is high. When it falls below a set level, the machine is idle, and Home Assistant sends a notification that the cycle is done.
The writer used a Home Assistant blueprint, a ready-made template, so nothing had to be designed from scratch. A contact sensor on the machine can add repeat reminders. Opening the door switches the reminders off, so a load is less likely to sit forgotten.
The same idea can watch devices that should always be running. First, check how much power a fridge or freezer normally uses. Then set an alert for when it drops below that level.
A drop can signal a problem. Early notice gives time to plan and may save a fridge or freezer's worth of food.
The writer's objection is partly privacy. Many smart appliances want to join your Wi-Fi and lean on the cloud, meaning remote company servers. They rarely support local control, where devices talk only inside your home. Blocking their internet access usually leaves them useless.
Heavy machines such as dryers can push a normal smart plug past its safe current limit. The plug could overheat and start a fire. For high-load devices, use a heavy-duty plug.
The article does not cover setup costs beyond the plug, or how much time Home Assistant takes to learn. It says the platform is more user-friendly than ever. Anyone curious can start with one plug on a washer and see whether the alerts are useful.
A roughly $10 energy-monitoring plug can add laundry alerts and freezer warnings, but use a heavy-duty plug for dryers.
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