Как сделать сигнализацию

Hi, there, my dear friends, in this video I will show you an interesting idea how to make a TRIP-WIRE ALARM Cold Funk - Funkorama by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/