Meet the $10 Person Sensor Module Capable of Detecting People and Even Recognize Faces

https://www.electronics-lab.com/meet-the-10-person-sensor-module-capable-of-detecting-nearby-people-and-even-recognize-specific-faces/

Useful Sensors has designed a small low-cost hardware module capable of detecting nearby faces and returning information about who they are, how many they are, and where they are with respect to the device. This Person sensor makes use of a camera and a small microcontroller, with pre-programmed machine learning algorithms that can recognize people […]