14 thoughts on “ Arduino Radar Watches You Breathe ” DainBramage says: August 15, 2015 at 4:19 am I hope that thing has some overvoltage protection. I’d ...

“Hello friends in this video I have made a Mini compact Radar with display, for that I have used HC-SR04 ultrasonic sensor, this sensor emit ultrasonic sound which came back to sensor after ...