Hello friends, Kedar is here today in this video we will make a simple door security alarm using a razor blade as a sensor , a buzzer and a 3v coin cell battery.
I installed this alarm onto my homes door but you can install it pretty much at any place like gate door , closet door , garden door , office door and setup very quickly as this alarm is really simple to make, it uses household parts like razor blade ,coin-cell battery (CR2032), 3v buzzer. so keep your thief away from your office , business and homes with this simple DIY door alarm systems.
★☆★ Buy Parts from your online local store ★☆★
1) Razor Blades
http://geni.us/I6r4EBB
2) Buzzer 3V
http://geni.us/EEtB
3) Battery Holder CR2032
http://geni.us/KCyBtJ
4) CR2032 Batteries
http://geni.us/6cjD
5) Soldering Iron
http://geni.us/O7W1S
# Electronicsforu
http://electronicsforu.com/videos-slideshows/diy-video-simple-door-alarm-system-using-razor-blade
# This Video is Update to Dr Screw video.
https://youtu.be/5Q9iy152Dg0
★☆★ Essential Electronic kit
https://kit.com/kedar/essential-electronics-gear
★☆★ PC Gear
https://kit.com/kedar/pc-gear
★☆★ Video Gear
https://kit.com/kedar/video-gear
★☆★ For more awesome content ★☆★
https://www.youtube.com/kedarnimbalkard
★☆★ Find me here ★☆★
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https://www.instructables.com/member/Kedar Nimbalkar/
# Music Credit
Tobu-Hope [NCS Release]
Parabéns !
Você fez muito bem !
more than the alarm I liked his acting
keep on doing things like this pls!
You could just use a magnetic contact !!!
Why specifically a razor blade, not simply anything conductive?
Nice one bro
Awsome Idea Going To Try This Out
You must be an engineering student. Am I right? 😀 😉
awesome video yaar!
Really nice. 🙂 Oh, and BTW… I'm making a screwdriver like yours right now. I should post the video tomorrow… And I'm going to give you the credit, of course. 🙂
oh you remembered! thanks this was pretty cool
How old are you my friend?
Good idea. Can you please tell me from where did you get that holder for soldering?