const int leds[8] = {2, 3, 4, 5, 6, 7, 8, 9}这是啥 回答篇幅：简单明了
这是 Arduino 编程中 C++ 语言的数组定义语句。`const` 表示常量，即该数组一旦定义，其内容不可更改。`int` 表明数组存储的数据类型为整数。`leds` 是数组名。`[8]` 说明数组有 8 个元素。大括号内的 `{2, 3, 4, 5, 6, 7, 8, 9}` 是数组元素，它们是开发板上连接 8 个 LED 灯的引脚编号。 [2025-12-23 19:48:42 | AI问答 | 121点数解答]
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