Serial.println("十进制数 " + String(decimalNumber) + " 转换为二进制是:" + binaryNumber); } String decimalToBinary(int decimal) { String binary = ""; while (decimal > 0) { int remainder = decimal % 2; binary = String(remainder) + binary; decimal = decimal / 2; } return binary;...
hexCharToDecimal()函数用于将16进制字符转换为整数，hexToAscii()函数循环遍历输入的16进制字符串，获取...
stringOne = String(millis(), DEC); // prints "123456" or whatever the value of millis() is: Serial.println(stringOne); //using a float and the right decimal places: stringOne = String(5.698, 3); Serial.println(stringOne); //using a float and less decimal places to use rounding: ...
stringOne = String(millis(), DEC); // prints "123456" or whatever the value of millis() is: Serial.println(stringOne); // using a float and the right decimal places: stringOne = String(5.698, 3); Serial.println(stringOne); // using a float and less decimal places to use rounding...
decimal if you want to.// this also works if you uncomment it:// Serial.print(thisByte, DEC);Serial.print(", hex: ");// prints value as string inhexadecimal(base 16):Serial.print(thisByte,HEX);Serial.print(", oct: ");// prints value as string in octal (base 8);Serial.print(...
double array String-chararray String-object 关键字 说明 void void关键字仅用于函数声明。它表示该函数预计不会向调用它的函数返回任何信息。 例子 Void Loop ( ) { // rest of the code } 1. 2. 3. Boolean 布尔值保存两个值之一,true或false。每个布尔变量占用一个字节的内存。 例子 boolean val =...
i f Ii i I i i < i i I i i Ifor(x=0; x< 64; x+) / only part of the ASCII chart, change to suit r i i L I I ! I I/ print it out in many formats:I I I I(x);/ print as an ASCII-encod 31、ed decimal - same as "DEC"r ji I I("t"); / prints a tab...
(版本2) 宏定义29 整型 29 浮点数 31 数据类型31 void31 boolean32 char32 unsigned char33 byte33 int34 unsigned int35 word35 long36 unsigned long36 float37 double38 string39 String(c++)41 array42 数据类型转换44 char()44 byte()44 int()45 word()45 long()46 float()46 变量作用域修饰符...
代码如下 必须拿ffff进行测试，否则测不出异同 public void test1(){ String strHex="ffff";...
target: the string to search for. Allowed data types: char. terminal: the terminal string in the search. Allowed data types: char. 等待输出结束——flush() 数据开始发送后,可以使用这个函数,等待所有数据全部发送完毕。数据量少的时候,可以不使用这个函数。