int inChar = Serial.read(); if (isDigit(inChar)) { // convert the incoming byte to a char // and add it to the string: inString += (char)inChar; } // if you get a newline, print the string, // then the string's value: if (inChar == '\n') { Serial.print("Value:"...
1 第一步，烧录arduino程序。源程序如下：#include <Servo.h> //引入libServo myservo; // 创建一个伺服电机对象char inByte = 0; //串口接收的数据int angle = 0; //角度值String temp = "";//临时字符变量，又或者说是缓存用的吧void setup(){ myservo.attach(9); //定义舵机的引脚为9，舵机...
Serial.println(stringOne); // prints "Sensor value for input A" // adding a constant integer to a string: stringOne += 0; Serial.println(stringOne); // prints "Sensor value for input A0" // adding a constant string to a string: stringOne += ": "; Serial.println(stringOne); //...
println("\n\nString toInt():"); Serial.println(); } void loop() { // Read serial input: while (Serial.available() > 0) { int inChar = Serial.read(); if (isDigit(inChar)) { // convert the incoming byte to a char // and add it to the string: inString += (char)inChar...
("Query result:"); while (cursor.available()) { // 逐行获取数据 MySQL_Row row = cursor.getRow(); for (int i = 0; i < num_fields; i++) { // 逐列打印数据 Serial.print(cols[i].name); Serial.print(": "); Serial.println(row[i].asString()); } } delay(5000); // 每5...
问使用Arduino串行监视器和嵌套循环与不同的外围设备通信EN一、安装树莓派及arduino开发环境 搭建树莓...
num = int(string) # convert the unicode string to an int print(num) data.append(num) # add int to data list ser.close() # build the plot plt.plot(data) plt.xlabel('时间') plt.ylabel('电位计读数') plt.title('电位计读数与时间变化曲线') ...
// add it to the inputString: if(inChar == 'F' || inChar == 'f' ) { forward(10); brake(1); Serial.println("Received-Forward-1s"); } else if(inChar == 'B' || inChar == 'b') { back(10); brake(1); Serial.println("Received-Back-1s"); } else if(inChar == 'L...
BluetoothSocket socket=null;try{// 蓝牙串口服务对应的UUID。如使用的是其它蓝牙服务,需更改下面的字符串UUIDMY_UUID=UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");socket=device.createRfcommSocketToServiceRecord(MY_UUID);}catch(Exception e){Log.d("log","获取Socket失败");return;}try{//...
Error err= MB.addRequest(Token++,1, READ_HOLD_REGISTER,33,6);if(err !=SUCCESS) { ModbusError e(err); Serial.printf("Error creating request: %02X - %s\n", (int)e, (constchar*)e); }//Create request for//(Fill in your data here!)//- server ID = 1//- function code = 0x16...