4 points
I think a LAN-connected machine would be good, if you could use an app or open-source, well-documented API to control the machine, but there is no reason a washing machine should need to connect to the outer internet. You can VPN into your local network if it’s that necessary to control it away from home.
3 points
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The new Thread/Matter standard is an attempt to bring together various home automation protocols for exactly things like this.
- Previously an appliance manufacturer may have needed to support multiple protocols and decide how to expose functionality.
- the new standard is IPv6 based: Matter is the Ethernet protocol and Thread a local-only low power mesh network, and it’s sponsored by Apple, Amazon and many other players. However another great feature is a standard set of device types, so most of the functionality you need to implement is already defined and other services already know how to interact with it.
If were Matter/Thread, I can already ask Siri the status or configure Alexa to announce when it’s done or script my home automation hub to flash an LED indicator.