The final product was a small tetrahedral pillow with LEDs on the four corners. The battery is stored on the pillow's pouch, while the electronics are stitched to the outside. Conductive thread connects the LEDs back to the micro-controller, and a snap acts as switch, closing the circuit between the battery and the MCU. When this switch is closed a boot sequence on the object occurs, flashing all the lights, which can be seen below.
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