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Here we will be learning how to make a color sensor. my model consists of three cardboard compartments containing an LED - one red, one blue, and one ...
To make this color sensor, you will need: * Red LED * Green LED * Blue LED * RGB LED * 3 phototransistors - I used OP550B's, but others could be used...
* See attached circuit diagram * Make sure to leave enough room to superimpose the dividers - in my case a compartmentalized cardboard box - later.
A. Cut thin strips of cardboard just big enough to form a box enclosing the 3 LEDs and Phototransistors B. Attach the outer box to the circuit board. ...
Here is my Arduino code. You will need to calibrate the const values based on how much light is in the room - comment out the indicated portion of the...
Thanks for reading! Video of it working:
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Posted:May 3, 2012
License:General Public License
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