There are also tons of banks that let you bank through a web browser, banking apps are hardly critical if you have a sane bank

Should pure black be [1, 1, 1]?

Except you skipped the part where IT is ridiculously underfunded and treated like crap (“We’re a utility, not a tech company!”)

With constant turnover, the person receiving the “Just make it work” call is about 6 layers removed from the person who originally set up the infrastructure, and probably completely unaware of all the previous security holes put in “because it’s air-gapped, it doesn’t matter.”

I recognize it’s not the answer to your question, but the ZigBee ones I have run on AAA batteries and last about a year on a charge.

With Eneloops, even after a decade they still keep over half their charge capacity. Could probably go 15-20 years per battery in regular trickled use with at most quarterly swaps - I think that’s kinda ideal operation for these guys.

One battery every 15 years, and an annual swap when it drops off my HA is a small price to pay for the flexibility of being able to deploy anywhere with zero infrastructure. I have a dozen sensors and would not want to have to wire each one.

FYI - Stock white charger that came with eneloops did not like how low the voltage gets when they run low in the temperature sensors, so I swapped for the “super pro” charger and it’s significantly better at managing the batteries: https://camelcamelcamel.com/product/B0B2WXJH43

Oh sweet summer child, inherited wealth has always been the American dream. How do you think 99% of our oligarchs got to where they are today?