
In This Video I Am Going To Show You How To Make A Laser Light Security Alarm System.
What You Need To Build This Project
▪BC547 Transistor
▪2.2KΩ Resistor
▪Red LED
▪LDR (Light Dependent Resistor)
▪4V Battery
▪Buzzer
▪SPST Switch
▪Red Laser Light etc.
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Can we use transistor of BC548
Can we use 9v battery instead of 4v
And please reply fast
yah puri video detail se batao
Can i use 9v battery?
Can we use S9014 transistor?
Kitne meter taak kaam karega?
Is it necessary to use BC547 transistor?
instead of making 1000 video about mini project provide ckt diagram for all video which was u uses
Can we use bc548 instead??
Say that where can we use this