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SriniV+ Team Administator
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08-12-2013, 05:21 PM #16
This is the Basic Circuit Diagram of this concept... We can Extend it with LCD Display and Microcontroller to view the accurate result....

   

Components required :
Power supply
Resistors ¼ watt (1kΩ; 150kΩ)
Light depended resistor (LDR)
Transistor BC547
Buzzer 6V
Transparent flexible plastic tube

Guys Do it..Smile And Post here your outputs..
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WR1334V.I.P Team
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08-12-2013, 05:35 PM #17
Co0l..Bro...
Am ITian! am not good with circuits...I taught tis idea so shared....
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nesanFrom V+
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08-12-2013, 06:02 PM #18
@Srini why led and ldr placed inside the water?
nesan, proud to be in V+ Team.