459 Radar Sensors and Summer Break

This is a re-run of video #135 from December 2016. During my summer break, I show some (hopefully) well-aged videos of my channel. The invention of radar influenced the way World War two went because it was possible to detect planes of the enemy and shoot them down. And since then, this technology made civil aviation as we know it possible because it can detect the movement of metallic surfaces over distance. Of course, technology can also be used against us, for example, if we are trapped while speeding… Links: HW-MS03: https://s.click.aliexpress.com/e/_DkUq8bF RCWL-0516 (Works also with 3.3 volts): https://s.click.aliexpress.com/e/_DkUq8bF XYC-WB-D1: https://s.click.aliexpress.com/e/_DDbqgWh HFS-DC06:https://s.click.aliexpress.com/e/_DEAbjz7 220V Switch (SK-600): https://s.click.aliexpress.com/e/_DF7AWOD http://www.rogerclark.net/investigating-a-rcwl-9196-rcwl-0516-radar-motion-detector-modules/ https://github.com/jdesbonnet/RCWL-0516/ Big Clive: https://youtu.be/Hf19hc9PtcE