unsigned long debounceDelay = 50; // the debounce time; increase if the output flickers 上次输出针切换的时间 去抖延迟,如果输出不稳定,增加此值 void setup() { pinMode(buttonPin, INPUT); pinMode(ledPin, OUTPUT); // set initial LED state digitalWrite(ledPin, ledState); } (4)循环函数 voi...
boolean ledOn=false;voidsetup() { pinMode(LED,OUTPUT); pinMode(BUTTON,INPUT);//put your setup code here, to run once:} boolean debounce(boolean last) { boolean current=digitalRead(BUTTON);if(last !=current) { delay(5); current=digitalRead(BUTTON); }returncurrent; }voidloop() { current...
[Get Code] 更多 setup() loop() millis() Button - 用一个按钮来控制LED灯 Debounce - 读取一个按钮,并滤掉噪音 DigitalInputPullup - 示范怎么用pinMode()来上拉引脚 StateChangeDetection - 记录按键按下的次数 toneKeyboard - 一个用压力传感器和压电扬声器的三键音乐键盘 toneMelody - 用压电扬声器弹奏一...
for (int i = 2; i 《 11; ++i) { // check buttons if(readButton(i)) { doAction(i); } } } boolean readButton(int pin) { // check and debounce buttons if (digitalRead(pin) == HIGH) { delay(10); if (digitalRead(pin) == HIGH) { return true; } } return false; } void ...
[Get Code] 更多 setup() loop() pinMode() digitalRead() delay() int serial DigitalPins Blink Without Delay: 不用delay()函数,使LED灯闪烁 Button: 用一个按钮来控制LED灯 Debounce: 读取一个按钮,并滤掉噪音 Button State Change: 记录按键按下的次数 ...
Arduino button debounce library for various switch types, port expanders and other 8-bit data sources. Fast and robust debounce algorithm. - Dlloydev/Toggle
const int BUTTON = 2; boolean lastButton = LOW; boolean currentButton = LOW; boolean ledOn = false; void setup() { pinMode(LED,OUTPUT); pinMode(BUTTON,INPUT); // put your setup code here, to run once: } boolean debounce(boolean last) ...
constbyte buttonPin=2;constbyte ledPin=13;byte ledState=HIGH;byte buttonState;byte lastButtonState=LOW;unsignedlonglastDebounceTime=0;unsignedlongdebounceDelay=50;voidsetup(){pinMode(buttonPin,INPUT);pinMode(ledPin,OUTPUT);digitalWrite(ledPin,ledState);}voidloop(){byte reading=digitalRead(buttonPin...
Serial.println("Failed to Initiate PT2258"); /* Setting up button debounce delay*/ button_1.setDebounceTime(50); button_2.setDebounceTime(50); /* Initiating PT with default volume and Pin*/ pt2258.setChannelVolume(volume, 4); pt2258.setChannelVolume(volume, 5);}void loop() { ...
pin:Arduino pin number that the button is connected to(byte) dbTime:Debounce time in milliseconds. Defaults to 25ms if not given.(unsigned long) puEnable:trueto enable the microcontroller's internal pull-up resistor, elsefalse. Defaults totrueif not given.(bool) ...