}voidloop(){intproximity = digitalRead(REED_PIN);// Read the state of the switch// If the pin reads low, the switch is closed.if(proximity == LOW) { Serial.println("Switch closed"); digitalWrite(LED_PIN, HIGH);// Turn the LED on}else{ Serial.println("Switch opened"); digitalWrite...
(rcSwitchPin, INPUT); // 设置rcSwitchPin为输入模式 } void loop() { int rcSwitchState = digitalRead(rcSwitchPin); // 读取I-BUS接收器的状态 if (rcSwitchState == HIGH) { Serial.println("RC开关被按下"); } else { Serial.println("RC开关未被按下"); } delay(100); // 延时一段时间...
const int Loads[] = {9, 10, 11, 12};int state = 0;int flag = 0;void setup(){ for (int i=0;i<4;i++){ pinMode(Loads[i], OUTPUT);} mySerial.begin(9600);digitalWrite(Loads[i], LOW)} void loop()if(mySerial.available() > 0)state = mySerial.read();flag=0;switch(state...
5.2 跳转语句break、continue、return和goto break用于跳出switch、while、do……while和for结构。 continue用于在while、do……while和for循环结构中结束当前循环。 return用于立即结束当前程序执行。 goto用于将程序执行流程跳转到指定位置后继续执行。 5.3 分支语句switch case 5.4 循环语句while和do……while 5.4.1 通...
// print out the state of the button: 打印按钮状态 Serial.println(buttonState); delay(1); // delay in between reads for stability 延迟1 秒以便稳定读取 } 2、数字串口读取 - Digital Read Serial Read a switch, print the state out to the Arduino Serial Monitor. ...
AnalogReadSerial- Read a potentiometer, print its state out to the Arduino Serial Monitor. BareMinimum- The bare minimum of code needed to start an Arduino sketch. DigitalReadSerial- Read a switch, print the state out to the Arduino Serial Monitor. ...
X = readSensors(); //给X赋值 }while(X <100); //当x小于100时,继续运行,当x不小于100的时候就不运行了 2.7 break break用于退出do,for,while循环,能绕过一般的判断条件。它也能够用于退出switch语句。 例子 for (x = 0; x < 255; x ++) ...
state(8) = dfuMANIFEST-WAIT-RESET, status(0) = Noerrorconditionispresenterrorresettingafterdownload: usb_reset: couldnotreset device, winerror: ָ�������ڵ��豸�� Done! Resetting USBtoswitch backtoruntime mode ...
int buttonState = digitalRead(pushButton); 可以看出,HIGH 和 LOW可以存入int变量中。 1-14 数字输入2 - 按键开关控制电路与程序 P15 - 16:27 delay(1)的作用 loop()函数结尾可以加个delay(1);保证程序运行的正确。 1-15 逻辑控制1 P16 - 11:11 if 函数介绍 ...
When the pushbutton is open (undressed) there is no connection between the two legs of the pushbutton, so the pin is connected to ground (through the pull-down resistor) and we read a LOW. When the button is closed (pressed), it makes a connection between its two legs, connecting the...