}voidloop() {//read the state of the pushbutton valuebuttonState = digitalRead(2);//check if pushbutton is pressed. if it is, the//buttonState is HIGHif(buttonState ==HIGH) {//turn LED ondigitalWrite(13, HIGH); }else{//turn LED offdigitalWrite(13, LOW); } delay(10);//Delay a little bit to improv...
OUTPUT);// Initialize digital pin 13 as an output.}// The main loop that continues forevervoidloop() {digitalWrite(13, HIGH);// turn the LED on (HIGH is the voltage level)delay(1000);// wait for a seconddigitalWrite(13, LOW);// turn the LED off by making the voltage LOWdelay(100...
int led = 13; // the setup routine runs once when you press reset: void setup() { // initialize the digital pin as an output. pinMode(led, OUTPUT); } // the loop routine runs over and over again forever: void loop() { digitalWrite(led, HIGH); // turn the LED on (HIGH is ...
const int LED = 3; //define digital pin 3 as LED output void setup() { //Pin Configurations pinMode(LED, OUTPUT); //configure the LED pin as an Output } void loop() { //Flash a LED on and off every second digitalWrite(LED, HIGH); //Turn LED on for 1/2 a second delay(500...
LED.unsignedlongcurrentMillis=millis();if(currentMillis-previousMillis>=interval){// save the last time you blinked the LEDpreviousMillis=currentMillis;// if the LED is off turn it on and vice-versa:if(ledState==LOW){ledState=HIGH;}else{ledState=LOW;}// set the LED with the ledState...
// Turn On an LED void LEDOn(int intLedNo); // Turn Off an LED void LEDOff(int intLedNo); private: void InitLED(); }; #endif http://www.zephan.top/arduinolessons/lesson3/ROBOTH.h // // // #include "ROBOTH.h" #include "Arduino.h" ...
if (ledState == LOW) { // if the LED is off turn it on and vice-versa ledState = HIGH...
pinMode(PC13, OUTPUT);}// the loop function runs over and over again forevervoid loop() { digitalWrite(PC13, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second digitalWrite(PC13, LOW); // turn the LED off by making the voltage...
当有物体靠近传感器约10cm的位置时,触发中断,点亮LED LIGHT_TIME毫秒,持续触发则常亮,无则灭灯。 通过修改 宏定义 LIGHT_TIME调节延时,LED负极接在数字10口(正极 3.3V供电) 2、靠近点亮/熄灭LED,延时期间操作不响应 当有物体靠近传感器约10cm的位置时,触发中断,点亮/熄灭LED,延时RESPONSE_TIME毫秒,延时期间操作不...
// digitalWrite(LED_D4, LOW); // turn the LED off by making the voltage LOW // delay(...