this post was submitted on 12 Mar 2025
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It would be great if more smart devices had a LAN-only control mode like my 3D printer, TV and AV receiver.
I would be perfectly happy if my iRobot phone app only worked from inside my network.
At that point, I wouldn't trust ANY device that cannot be controlled locally, either natively or at least through some hacks.
Doesn't apply to iRobot but there are lots of robot vacuums that can be flashed with an open firmware with just a USB UART cable: https://valetudo.cloud/pages/general/supported-robots.html
As for the other devices, my 3D printer, projector and AV receiver are all locally controlled.
Big +1 for Valetudo. I use it on a refurbished Roborock S7+ I got on eBay and it's fantastic.
My cheap Conga robot came with a remote controller. It stopped connecting to its server long ago, but I can still use it. The battery is getting worse and worse, though.
Your 3d printer has a NIC?
It's pretty common for newer 3D printers to have WiFi. Start/stop jobs, monitor cameras, or just to have a more capable UI than the built-in screen. Lots of people add this capability to older printers (or new ones with sucky interfaces) with OctoPrint.
I think it's just using MQTT, so block network access and use HomeAssistant