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Using an RGB LED and a CDS photocell, I created a color sensor for use in a robotics competition. The sensor holds both the LED and the phtocell and provides a baffle between them so the CDS cell only sees the reflected light. By observing the amount of red, green and blue reflected, you can determine the color.
Part 1: http://www.youtube.com/watch?v=wpiCV7Leegk
Part 2: http://www.youtube.com/watch?v=ccXk3cwn0Bk
Part 3: http://www.youtube.com/watch?v=sgW6iJvywh4
Part 4: http://www.youtube.com/watch?v=jCdaVU2rXHg
Part 5: http://www.youtube.com/watch?v=mTKlPUFRejY
home made color sensor by bitswype is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure bitswype would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!