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De-shielding that board shows us some of the fun that's running the light show up top:
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Texas Instruments TLC5971 LED driver
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Cypress CY8C4245LQI-483 Programmable System-on-Chip, likely tasked with touch control
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ON Semiconductor FPF1039 slew-rate-controlled load switch
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Texas Instruments TPS62135 4 A step-down converter
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The flip side of the board houses the LEDs and the diffuser that gives the indicator its cloudy look.
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The top side of the board (second photo) sports a neatly organized pattern of tiny divots—possibly a capacitive grid, like on the Google Home, for registering your taps and touches on the surface above.
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