A new way of detecting human body and moving object, not PIR, not ultrasound and it is definately not expensive and complex image processing with camera, it is using Rada..
S$1.79 Ex Tax: S$1.79
The RPLIDAR A2 is the next generation low cost 360 degree 2D laser scanner (LIDAR) solution developed by SLAMTEC. It can take up to 4000 samples of laser ranging per se..
S$589.29 Ex Tax: S$589.29