Colour Sensing

http://www.britishrobotics.com/pictures/taosin/BR800230Desc.htm

http://itp.nyu.edu/physcomp/sensors/Reports/TAOSTCS230
http://www.pacer.co.uk/product_details.aspx?companyProduct_id=62
http://www.parallax.com/detail.asp?product_id=30054
http://www.mytutorialcafe.com/Microcontroller%20Project%20Thesis%20TCS230%20Color%20Sensor1a.htm
http://www.siliconchip.com.au/cms/A_104677/article.html

http://www.taosinc.com/downloads/pdf/tcs230wp.pdf
http://www.taosinc.com/application.asp?cateid=11&appid=16
http://www.pacer.co.uk/img/pdfs/DN11_Color.pdf
http://www.parallax.com/dl/docs/cols/nv/vol4/col/nv98.pdf
http://www.taosinc.com/faq_category.asp?cateid=11

“The board housing the sensor has two LEDs for illumination and a 5.3mm lens.
The sensor should be about an inch away from the source of the colors it needs
to detect. Conveniently, the two LEDs converge into one brightly lit spot when
the sensor board is approximately one inch from the source.”

http://www.parallax.com/dl/docs/prod/datast/TCS230.pdf
http://www.parallax.com/dl/docs/prod/compshop/tcs230matchlinux.gz

http://www.tigoe.net/pcomp/code/archives/arduino/000748.shtml

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