// split the string on the commas and convert the // resulting substrings into an integer array: float[] colors = float(split(inString, ",")); // if the array has at least three elements, you know // you got the whole thing. Put the numbers in the // color variables: if (col...
compass.getDirection(myArray, a); Serial.print(myArray[0]); Serial.print(myArray[1]); Serial.print(myArray[2]); Serial.println(); delay(250); } 实验串口返回情况 模块实验接线示意图 Arduino实验场景图
getDirection(myArray, azimuth); } 如果要打印这些值,可以这样: 1 2 3 4 5 6 7 8 9 10 11 voidloop(){ azimuth = compass.getAzimuth(); charmyArray[3]; getDirection(myArray, azimuth); Serial.print(myArray[0]); Serial.print(myArray[1]); Serial.print(myArray[2]); Serial.println();...
Serial: serial port object. See the list of available serial ports for each board on the Serial main page.val: a value to send as a single byte.str: a string to send as a series of bytes.buf: an array to send as a series of bytes.len: the number of bytes to be sent from the...
int array2[ rows ][ columns ]={ 1, 2, 3, 4, 5 }; int array3[ rows ][ columns ]={ { 1, 2 }, { 4 } }; void setup () { } void loop () { Serial.print ("Values in array1 by row are: ") ; Serial.print (“\r” ) ; ...
Serial.println(my_str); } void loop() { } 1. 2. 3. 4. 5. 6. 7. 8. 9. 操作数组 void setup() { char like[]="I like coffee and cake"; //创建一个字符串 Serial.begin(9600); //(1) 打印字符串 Serial.println(like); ...
array -(数组) Arrays(数组) 数组是一种可访问的变量的集合。Arduino的数组是基于C语言的,因此这会变得很复杂,但使用简单的数组是比较简单的。 创建(声明)一个数组 下面的方法都可以用来创建(声明)数组。 myInts [6]; myPins [] = {2,4,8,3,6}; ...
Serial.begin(9600); compass.init(); } void loop() { compass.read(); byte a = compass.getAzimuth(); char myArray[3]; compass.getDirection(myArray, a); Serial.print(myArray[0]); Serial.print(myArray[1]); Serial.print(myArray[2]); ...
char array/字符串) 11.14 String object( String类) 11.15 array(数组) 十二、数据类型转换 12.1 char() 12.2 byte() 12.3int() 12.4 word() 12.5 long() 12.6 float() 十三、变量作用域&修饰符 13.1 variable scope(变量的作用域) 13.2 static(静态变量) ...
Serial.print((char)first[i]); } } void writeMsg(byte* first, size_t len) { for(int i = 0; i 《 len; i++) { EEPROM.write(i, first[i]); } } void readMsg(size_t len) { byte res; Serial.print(“Message: ”);