Roll Your Own Presence Sensor

[Mellow_Labs] wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his own. The kit uses a millimeter wave sensor as a super-sensitive motio…

Hackaday
Probably the most over-engineered fan controller in history 😂, powered by #UsefulSensors #PersonSensor with embedded facial recognition. Running on @adafruit STM32F4 feather. Work in progress, more to come. #Make #MachineLearning

For reasons I can't explain, a #clock that shows the wrong time as soon as someone looks at it seems to be *exactly* what I need.

>Sneaky Clock Displays Wrong Time If It Catches You Looking https://hackaday.com/2023/02/23/sneaky-clock-displays-wrong-time-if-it-catches-you-looking/

#hackaday #personSensor

Sneaky Clock Displays Wrong Time If It Catches You Looking

We have a soft spot for devices that subvert purpose and expectation, and that definitely sums up [Guy Dupont]’s Clock That Is Wrong. It knows the correct time, but whether or not it displays…

Hackaday