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请分析以下代码运行时,会出现什么现象? #include SoftwareSerial BT(8,9); char val; void setup() { Serial.begin(9600); BT.begin(115200); } void loop() { if( BT.available() ){ val = BT.read(); Serial.print(val); } if( Serial.available() ){ val = Serial.read(); BT.print(val); } }A.
HC05硬件进入AT模式后，键入AT，应该显示OK
B.
在串口助手中敲字符，不会
C.
串口助手敲入字符，配对手机上的蓝牙工具可能显示乱码
D.
配对手机上的蓝牙工具敲入字符，串口助手中可能显示乱码
E.
HC05硬件无法进入AT状态
F.
HC05硬件无法进入待匹配状态
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【简答题】阅读理解。 Have you ever heard of Webster Toys? Webster has made good, safe and interesting toys for more than a hundred years. We sell them and children play with them in different countries from Australi...
【简答题】Toys have several functions except____
【简答题】You have heard of Webster toys. Websters have made good safe and interesting toys for more than a hundred years. Now we sell them, and children play with them, in countries from new Zealand to Norway,...
【简答题】You have heard of Webster Toys. Websters have made good safe and interesting toys for more than a hundred years. Now we sell them, and children play with them, in countries from New Zealand to Norway(...
【简答题】阅读理解。 You have heard of Webster Toys. Webster's have made good, safe, interesting toys for more than a hundred years. Now we sell them, and children play with them, in countries from New Zealand to No...
【简答题】B You have heard of Webster Toys. Websters have made good safe and interesting toys for more than a hundred years. Now we sell them, and children play with them, in countries from New Zealand to Norwa...
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