The system hardware includes main control board, display and button board, and motor driver board.

系统的硬件电路板主要包括主控制板、显示按键板、电机驱动板。

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Remove power, then hold down the user button (closest to the outside of the board) while reapplying power.

关断电源，在重新供电时按下用户按钮(离板的外边缘最近的按钮)。

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The onClick handler sets the current color of the board based on whether the user clicks the X or o button.

onClick处理程序根据用户点击的是X还是o按钮设置面板的当前颜色。

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Navigation and interaction are easy with the precision on-board pen, full-size keyboard and new five button clickpad that boasts 20 percent more surface area than traditional ThinkPad clickpads.

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That wire can ground a contact on the circuit board behind the light that triggers a function intended to allow the door to be opened with a remote button, bypassing all its security measures.

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