定义

以人类可读的ASCII代码的形式将数据发送到串行端口，类似于print()命令，但带有换行符。

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语法

Serial.println(val)
Serial.println(val, format)

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示例代码

void setup() {
Serial.begin(9600);
}

void loop() {

Serial.print(“There is no line break!”);
Serial.print(“There is no line break too!”);
Serial.println(“There is line break in the end!”);
Serial.println(“There is line break!”);
}

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运行结果