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Traduction de l’étape 27

Étape 27
Apple has opted to transition from using a row of LEDs with a light guide panel, to installing individual LEDs beneath each key. And behind those keys, we find:
  • Apple has opted to transition from using a row of LEDs with a light guide panel, to installing individual LEDs beneath each key.

  • And behind those keys, we find:

  • An array of four Texas Instruments TLC5951 PWM LED Drivers

  • A pair of NXP PCAL6416A I/O Expanders

  • They claim that this new keyboard design provides even lighting across the whole keyboard, while maintaining a higher level of power efficiency than previous designs.

  • PCB maker Compeq reports increased revenues for March.

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