Step 11: Tri-Color LED Eyes
The zombie's eyes are made using large (about 1/2" diameter) googly eyes, and modified using the "googly eye mod," which involves removing the black pupil, trimming it down, and replacing it in the eye, sealing it with hot glue.
Behind the googly eyes are two RGB LEDs (one for each eye) The red and blue channels are wired in parallel, so that only one Arduino pin is required for each color. The green channel for each LED is controlled independently, so that we can make the eyes different colors (for example, we can turn on the red channel and one green channel to get one yellow eye and one green eye.
Behind the googly eyes are two RGB LEDs (one for each eye) The red and blue channels are wired in parallel, so that only one Arduino pin is required for each color. The green channel for each LED is controlled independently, so that we can make the eyes different colors (for example, we can turn on the red channel and one green channel to get one yellow eye and one green eye.
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