hi its,
It is AAC policy not to give final or complete answers to Homework assignments.
Only hints and/or guidance.

Moderation.

This is my own project
Not any hw or clg assignment
Just for an info i am learning it

 

hi its,
OK. Here it is.
E

 

Here is a proteus version.

I've changed LDR to CCR (current controlled resistor). The CCR changes its resistance based on the current flow in V1
I've added V1 as a current probe. V1 is the current probe for CCR.
I've add a SPST switch. The switch open/closes the circuit to D3 controlling current flow thru it. This current is detected by CCR, changing its resistance to simulate alarm on/off conditions.

 

Here is a proteus version.

I've changed LDR to CCR (current controlled resistor). The CCR changes its resistance based on the current flow in V1
I've added V1 as a current probe. V1 is the current probe for CCR.
I've add a SPST switch. The switch open/closes the circuit to D3 controlling current flow thru it. This current is detected by CCR, changing its resistance to simulate alarm on/off conditions.

View attachment 316919

Bro can you attach this proteus file

 

Bro can you attach this proteus file

Attached.