Joe

Dude. Brother was founded in 1908.

Why would they? What advantage do they gain from doing so, compared to not?

Yorkshire Gold, a drop of milk 1 sugar, and a hobnob.

All of my wall sockets include usb power outlets, so they're all powered via those, I'm currently working on using an 18650 or 2 to power one as an experiment, but as they're WiFi and need to react in a timely manner putting the microcontroller into sleep mode isn't really an option, meaning the battery life won't be very good. The RADAR module needs a solid 5v as well so I'm not sure it will be practical.

This is the sensor module: https://www.aliexpress.com/item/1005005921080708.html?spm=a2g0n.order_detail.order_detail_item.3.496af19cSQkowI

This is the microcontroller: https://www.aliexpress.com/item/1005006018009983.html

This is the project on GitHub I use for the HA integration: https://github.com/Chreece/LD2411S-ESPHome

And the case I use is on this project for a very similar setup to mine: https://github.com/igiannakas/mmWave-Presense-Sensor-D1-Mini-DFRobot-/tree/main

I build my own using EspHome. I tend to use a D1 Mini as the microcontroller as it has a small footprint and a LD2411S sensor module (very cheap on AliExpress ) I'm lucky enough to have a 3d printer to make my own enclosures.

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I moved all of my movement/presence sensors to mm wave RADAR, they're relatively cheap and much more reliable than PIR.

Surely the best approach here is a temp sensor with a threshold at which to alarm? Then you’re actually monitoring the state of the appliance, not the state of the door.

Have two apps using this in production. It’s a clusterfuck. Advise against.

“might not have been fueled not by nuclear fusion but by the self-annihilation”

Quality editing.