this circuit will make a alarm when the light falls on the ldr

Step 1: Things Needed

you need-
1] resistors 100k ohm , 56k ohm , 10k ohm
2] transistors 1 pnp and 1 npn 
3] capacitor 0.04 uf
4] ldr
5] 8 ohm speaker
6] 2 cells
7] battery holder
8] pref board
Please!! We need the values of Components Added to your Diagram..Many Thanks!!
I'd love to see this in it's finished form -- perhaps a video is in order. Thanks for sharing!
the box was just an idea and i am not able to attach the the video as it says it is more than 10 mb
I believe you should try out the following software for your schematics:<br> <br> <a href="http://www.cadsoft.de/download">http://www.cadsoft.de/download</a><br>

About This Instructable




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