201–210 of 256 posts
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No it isn’t, vendor prefixes are sort of an anachronism. Bit 41 - bit 1 of the first octet is reserved for local (random) use. That and the group bit (40) set to 0 means the second digit of the human readable MAC is 2, 6, A or E, but that’s it.
My bad, thanks for the correction! You still can’t identify a specific device type based on the MAC address though, right?
It's connected to a power strip with a switch so that it can be turned off when not in use (which BTW would also be a solution for the owner of the LG machine).
Due to the ability to read it out with Python it sends me an Email when the washing is done and I can also track the power consumption in Grafana. It also shows a "finished X minutes ago" message on some HA-like always-on tablet dashboard.
3.7GB seems like a lot, but modern appliances are highly efficient, a lot of those bits just circulate between the laundry and the router to cool down between wash cycles ... people just don't understand how much data they use when hand washing clothes, sloshing gigabytes down the drain... (after https://twitter.com/meekaale/status/1744807035454079079 )
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Did you check how much power your washer uses? Mine uses 0.4 kwh so you'd be saving 15.2 cents per load. Not really worth the hassle IMO.
You've neglected to include the energy used to heat the water.
n.b. it's pretty new albeit cheap generic Midea front loader
If you buy any hardware that requires an internet connection to work return it as faulty.
Is this washer going to get software updates for it's entirely lifespan?
"It's behind NAT and a firewall".
Well if one of your other devices get infected and it gets infected now what?
"But NAT" you heard of STUN servers? It doesn't need to be in a botnet to be malicious... That's assuming your ISP router from 10 years ago without any updates isn't also vulnerable.
"But I keep an eye on my stuff" what about the 5billion other users in the world?
IOT is insecure garbage you shouldn't be putting in your house and you shouldn't let your family do so either.
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They all make a sound when done, you could set up a SoC with a microphone to listen to it. Or monitor power draw. Many ways to do it externally.
My worry would be that you'd have to do some diagnostics on the audio to determine the actual sound. The loudest noise my washer makes is the spin/rinse cycle, which is right before the sound it makes when it's done. You can't just key off of "loud noise" and I don't know how hard setting up to listen to specific frequencies for alerting is.
Fast fourier transform on the audio would give you volume for each frequency range. That probably requires some DIY hardware & programming.
But a power metering plug would be a cheap off-the-shelf solution. Find the ones pre-flashed with ESPhome for ~$15-20, find thresholds for ON/OFF with a bit of trial and error, and you're done.
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> It's apparently possible to track a washing machine's progress with a smart switch that monitors power draw; Can confirm, it's what I do. I can even detect which part of the cycle it is in using plain Home Assistant template sensors. It's crude but it works. Detecting washing vs not is trivial, but I went the extra mile, looking at the power history and analysed the thing visually to get the general profile of each…
I guess it might be quite fun to graph that and overlay the graph of the current cycle over an original benchmark - it might indicate when, for example, the heating element was no longer working as efficiently.
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I'm totally with you, except a notification that it's finished would actually be really helpful. It's apparently possible to track a washing machine's progress with a smart switch that monitors power draw; I've got one lying around so might try to implement that soon, to complement my hacky RPi-Ring-doorbell-announcer :)
Siri set a timer for *looks at washer screen* minutes That's it. But tbh wish my smart speakers would learn all the appliance chimes instead.
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I'm totally with you, except a notification that it's finished would actually be really helpful. It's apparently possible to track a washing machine's progress with a smart switch that monitors power draw; I've got one lying around so might try to implement that soon, to complement my hacky RPi-Ring-doorbell-announcer :)
NSA filters the power to sensitive computers. You can exfiltrate encryption keys if you can monitor power usage. https://www.securityweek.com/platypus-hackers-can-obtain-cry...
Someone might be able to do that if they're monitoring power usage directly on the CPU with >microsecond precision for an extended period of time, not with a power metering plug that gives a fairly inaccurate reading at the wall every second or two, after having gone through the power supply transformers, rectifiers, capacitors, and containing noise from every other component in your device.