Logitech's peel-and-stick radar sensors
theverge.comIs there a sensor like this that is open enough for tinkering at home? The radar sensor could be useful for home automation.
I have four of these around my house and they're a massive improvement on plain PIR for human presence detection. I use them to turn lights and screens on and off and to notify when someone is at the front door.
There are mmWave radar sensors available commercially.
How long before these are inside laptops