Electronic Door Safety Alarm | How to make

It is a tutorial video to making an electronic Alarm system for Door, window or wardrobes,
it is a very easy electronic project using a magnetic door sensor.
the circuit diagram is included in this video.
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[@jasoncarlopangan7875]

why you didnt show the step by step process? May I know them please?

[@electronic7979]

Nice

[@sameepnavale1019]

cool

[@marilyn.g]

Is this on your website?

[@nohaabdelhafez9609]

How can I connect magnetic door sensor NC ,NO,COM ,with alarm

[@TanzilSyed-dm9tv]

Hi bro

[@TanzilSyed-dm9tv]

Circuit diagram roung unde bro

[@aishwaryagoski9968]

Dotted pcb
Push on off switch
Bc 548B transistor
220 ohm resister (2 required)
10k ohm resiator
Red(1) green(1) led
Active buzzer
9 volt battery
Magnet door sensor (1)