light decting circuit

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

Comments

[MROHM]

Please!! We need the values of Components Added to your Diagram..Many Thanks!!

[zazenergy]

I'd love to see this in it's finished form -- perhaps a video is in order. Thanks for sharing!

[robot1398]

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

[rtty21]

I believe you should try out the following software for your schematics:

http://www.cadsoft.de/download