auomatic wash basine

Hiii
frndzzz......

Now i m goning to make small project which is based on ic 555 . this project name is automatic wash basine...
                                        
                                        
                                            auomatic wash basine



component name    1 . ic 555  ( Timer)
                                2. relays (12v)
                                 3. lm 7805
                                  4. capacitor 
                                  5.tansistor
                                 6. light depending resistance (ldr)
                                 7.potentiometer (10k)
                                 8. laser light 
                                 9.cooler moter and some pipe....

princpal:
 L DR  is a light depending resistance which  resistance is dependent  upon light when the light fall on it its resistance increase and voice-versa . in this circuit we use ic 555 which is a timer  so our out put in the form in  digital (0,1). relays is used to switching circuit .lm7805 for regulated voltage  5 v for  my ics and other  component........ when laser light fall in ldr its resistivity increase  then our put in the form of 0 and the light is distrubed by us resistance is less so in the out put we get  1 in pic ...............

                                         
                circuit Diagram 

www.anupam607@yahoo.com   
video of this project is here.......