Initially my idea was to change the speed of the fan based on the color detected. If the color detected was reddish then the fan would increase in speed but if the color was bluish then the fan would decrease in speed. However, due to the way the fan worked it was not possible to decrease the speed, speed could only be increased. After figuring this out, I modified my approach to make it simpler. Exploring my initial concept remains unresolved.
For future explorations I would like to explore how a relay can be used to modulate different speeds of the fan and explore more properties of colors to decipher them more.
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