How to make a simple door alarm
hi friends its me Alex Joseph as Mr.technic gear so guys in this video I am going to show you how to make a door alarm. materials required are: cloth peg,a buzzer,2 iron screws, 9v battery.
HOW TO CONNECT THE CIRCUIT?
connect the positive wire of buzzer and negative wire of battery and we will get 2 extra wires that you need to connect one end of the copper wire to the screw and other end of the copper wire of the second screw otherwise you can solder the copper wire
link for buzzerhttps://www.amazon.in/pke-Piezo-Buzze...
link for 9v battery
https://www.amazon.in/9V-HI-Watt-Batt...
song silent partner spring in my step
/ silent-partner-spring-in-my-step-youtube-a...
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