button.attach( BUTTON_PIN, INPUT_PULLUP); button.interval(5);//间隔是5ms Serial.begin(9600);//用于串口输出 } void loop() { button.update();//更新 if ( button.pressed() ) { ledState = !ledState ; digitalWrite(7, ledState ); Serial.println(ledState ); } } 1. 2. 3. 4. 5....
;// check if the pushbutton is pressed. If it is, the buttonState is HIGH:if(buttonState==HIGH){// turn LED on:digitalWrite(ledPin,HIGH);}else{// turn LED off:digitalWrite(ledPin,LOW);}} (2)注释 /* Button 按钮 Turns on and off a light emitting diode(LED) connected to digital ...
pinMode(ledPin, OUTPUT); // initialize the pushbutton pin as an input: pinMode(buttonPin, INPUT); } void loop() { // readthe state of the pushbutton value: buttonState = digitalRead(buttonPin); // check if the pushbutton is pressed. If it is, the buttonState is HIGH: if (butto...
if button is pressed generate random number if random number is 20 show graphic else if random number is 1 show graphic else show number 为使其正常工作,需要生成一个随机数-这就是死机。 Arduino有一个称为 random 的随机数生成器,但不应使用它。尽管对于基本的随机任务已经足够了,但对于电子芯片来说...
if (digitalRead(2)==LOW && debounce1 == true) //Button 1 Pressed { song_number++; if (song_number==5) {song_number=1;} debounce1=false; Serial.println("KEY PRESSED"); Serial.print("song_number="); Serial.println(song_number); ...
encoderPinAButton.update(); encoderPinBButton.update(); // 检测按键状态 if (encoderButton.fell()) { // 按键按下事件处理 Serial.println("Button pressed"); } if (encoderButton.rose()) { // 按键释放事件处理 Serial.println("Button released"); } // 检测编码器旋转 if (encoderPinAButton.fe...
现在,根据按钮状态,我们使用if语句绘制一个小圆圈或大圆圈。 fill(0) ; // set the fill color to black clear() ; // clean the screen fill(255) ; // set the fill color to white if (b == 1) // check if the button is pressed { // draw a larger circle with specified coordinates ...
BUTTON_1_PRESSED; //BUTTON_1_LONG_PRESSED etc. if (btn) { byte buttonNumber = btn & B00111111; byte buttonAction = btn & B11000000; Serial.print("BUTTON_"); Serial.write(buttonNumber + '0'); Serial.print("_"); if (buttonAction == BUTTON_PRESSED_IND) ...
if you don't enable the rumble, use ps2x.read_gamepad(); with no values you should call this at least once a second */if(error==1)return;if(type==2){ps2x.read_gamepad();//read controllerif(ps2x.ButtonPressed(GREEN_FRET))Serial.println("Green Fret Pressed");if(ps2x.ButtonPressed...
// Keep in mind the pullup means the pushbutton's // logic is inverted. It goes HIGH when it's open, // and LOW when it's pressed. Turn on pin 13 when the // button's pressed, and off when it's not: if (sensorVal == HIGH) { ...