11.13 string( 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) 13.3 volatile 13.4 const 十四、...
char* myStrings[]={ "This is string 1", "This is string 2", "This is string 3", "This is string 4", "This is string 5","This is string 6"}; void setup(){ Serial.begin(9600); } void loop(){ for (int i = 0; i < 6; i++){ Serial.println(myStrings[i]); delay(50...
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.println(“”); } void setup() { char* string = “Hello World!”; Serial.begin(9600); Serial.print(“Serial connection opened! ”); Serial.print(“EEPROM length: ”); Serial.println(EEPROM.length()); Serial.print(“Attempting to erase EEPROM.。. ”); erase(); Serial.print(“...
char array2[]="hello, world! "; //the string to print on the LCD int tim = 500; //the value of delay time // initialize the library with the numbers of the interface pins LiquidCrystal_I2C lcd(0x27,16,2); // set the LCD address to 0x27 0x3F for a 16 chars and 2 line dis...
Serial.print((char)payload[i]); } Serial.println(); } void reconnect() { while (!client.connected()) { String clientId = "ESP8266Client"; clientId += String(random(0xffff), HEX); if (client.connect(clientId.c_str())) {
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]); ...
//Serial.print(char). It is quite long so I will just //copy it in //SRAM memory optimized function to print header text: // // | Max absolute timing error for each priority | Free mem| // |---| ___ // | 0 | 1 | 2 | 3 | 4 | 5 | 6 | | CPU| // #define p...
3.4 数组 array 数组是相同类型的数据组成的集合,数组中的每个元素都被默认分配一个索引(下标),我们可以通过数组名[ 索引 ]的方式访问数组中的元素。 创建数组 语法格式: datatype arrayname[ 数组元素个数]; intInts[6];intP[]={2,4,8,3,6};intSensVals[6]={2,4,-8,3,2};charmessage[6]="hello...
the display colours i = 1 invert, i = 0 normal 反转屏幕的颜色decodeUTF8(uint8_t c) //Serial UTF-8 decoder with fall-back to extended ASCIIdecodeUTF8(uint8_t *buf, uint16_t *index, uint16_t remaining) //Line buffer UTF-8 decoder with fall-back to extended ASCIIdrawChar(uint16_...