For my innovative switch project I knitted a pair of hats with conductive yarn. When the patches of conductive yarn in both hats touch, the arduino board sends a signal to the led to light up in a pattern of random colors. The blinking led signifies the wearers excitement about being nuzzled by their companion in the second hat.
I was pleasantly surprised by how well the yarn worked despite how thin it is compared to the yarn weight I used. Were I to do the project from the beginning, I would have knitted both patches of the conductive yarn into the brim. As it is now, one patch of conductive yarn is in the brim while the second is on the crown of the head. This make contact between the four patches a bit unreliable. I’d also like to see how it looks with 2 – 4 more leds.
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