摘要: 返回命令行输入的值: String str=""; void setup() { Serial.begin(9600); //set up serial library baud rate to 9600 } void loop() { str = ""; while (Serial.availab 阅读全文
posted @ 2022-04-17 14:44 Mudrobot 阅读(62) 评论(0) 推荐(0) 编辑