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color sensor

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thunder

Mon Feb 18 2008, 04:24PM

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i did this circuit in this web but it didn't work

only the green led are always on and the blue and red don't do any thing

also the LDR don't give any thing to the IC ( that what i think )
coz no change in the volt that gos to the led
i need help to get color sensor that sens with cloth colors and give me sens in any thing coz i want to interface that with the pc that is my final year project plz help me asap
i want to make this project or another one to sens the colors and give me data on the pc say the degree of this colors and which it contained of

Thunder Black

thunder

Tue Feb 19 2008, 02:48PM

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omg
all this time and no one want to help me

Thunder Black

Ajay

Wed Feb 20 2008, 04:07AM

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where is the circuit?

www.rickeyworld.info
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۞ TPS ۞

Thu Feb 21 2008, 08:22AM

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circuit ???????

Online Component Shoppe
http://www.onlinetps.com/
Components at cheap rates in India

thunder

Sat Mar 01 2008, 01:52AM

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sorry here is the circuit :
here is the circuit

Thunder Black

Ajay

Sat Mar 01 2008, 02:56AM

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wow nice.. did u see this one.. its build on same logic..
http://www.robotroom.com/ColorSensor.html

www.rickeyworld.info
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thunder

Sat Mar 01 2008, 09:30AM

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i didn't understand any thing from my project and the one u showed me

i mad the one that i linked it to u but it didn't gave me what i want.
i need circuit to sins with colors then give me reading how much is this color.
mmm...
like I put a piece of cloth with a specific color to the show who shall contain metres from the red How Green How Blue (basic colors)
can u help me in that plz

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Ajay

Sun Mar 02 2008, 06:31AM

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i tell you the working of sensor...
the CdS sensor o/p is connected to ADC, you have to switch each LED one by one.. lets say blue LED, the read ADC o/p then switch green read ADC value, then red... and read ADC again.. now you have got individual amount of primary colors present in the i/p color.

now you can test the o/p of ADC with different colors...

www.rickeyworld.info
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thunder

Tue Mar 11 2008, 09:07AM

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here is my circuit

plz tell me what wrong in it??
and some ppl told me that i need to make micro controller circuit ??? is that right ?? and if u can tell me what is the rcx mean ?? and if it program or circuit can u give it to me ??
and where i can see the results ??
also tell me what ADC i can use and where i should connect it and how i can switch between colors?

[ Edited Tue Mar 11 2008, 05:03PM ]

Thunder Black