This is a quick video demonstrating how to fix bad posture with a very simple homemade device. It will always vibrate or sound a beep if you keep the posture wrong !
https://goo.gl/FCMPb7 switch
https://goo.gl/Jd2u7K battery 2032 socket
https://goo.gl/YAFL6v battery
https://goo.gl/BNxEno DC motor
FB: https://www.facebook.com/romanursuhack
INSTAGRAM: https://instagram.com/romanursu
Main channel: http://www.youtube.com/user/romanursuhack
___

Welcome to my channel Roman UrsuHack where you will learn how to make hand made crafts, New Year crafts, presents, toys, Halloween scares. The main thing is that one can make it at home and with one's own hands.
You are interested in handiwork, craft or you just have nothing to do, haven't you? You have found the channel you really need. Here you can find lots of crafts, hand made items, and the main thing is that they all made of make-shifts and at the lowest cost!