那个是方位按键板，不像大厅里的数码板。
It's a keypad orientation, not unlike the alarm panel in the lobby.
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。
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。
The system hardware includes main control board, display and button board, and motor driver board.
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