视频音乐来自:Clipchamp 视频电路图由VirtualBreadBoard制作 参考链接: https://www.circuitbasics.com/how-to-connect-and-program-push-buttons-on-the-arduino/ https://roboticsbackend.com/arduino-turn-led-on-and-off-with-button/ 分享至 投诉或建议 目录 1 0 0...
{//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 ...
2);// check if pushbutton is pressed. if it is, the // buttonState is HIGH if (buttonState == HIGH) { // turn LED on digitalWrite(13, HIGH);} else { // turn LED off digitalWrite(13, LOW);} delay(10); // Delay a little bit to improve simulation performance } ...
const int switchPin = 2; // switch to turn on and off mouse control const int mouseButton = 3; // input pin for the mouse pushButton const int xAxis = A0; // joystick X axis const int yAxis = A1; // joystick Y axis const int ledPin = 5; // Mouse control LED // parameters...
149 // update last state of each button 150 lastButton_R = currentButton_R; 151 lastButton_G = currentButton_G; 152 lastButton_B = currentButton_B; 153 154 //Step3: change the mode if mode_button is pressed, turn on or off if mode_button is pressed more than 3 seconds ...
void loop() { digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level),HIGH代表高电平,亮灯 delay(1000); // wait for a second,延迟1000毫秒,也就是一秒,delay为延迟函数。 digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW 低电平为...
// 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) { ...
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...
#define BUTTON_BOOT 9 volatile bool ledState =false;void timerISR(){ ledState = !ledState;digi...
// turn off red and yellow, then turn on green digitalWrite(yellow, LOW); digitalWrite(red, LOW); digitalWrite(green, HIGH); delay(3000); } 将此代码上传到Arduino,然后运行(确保从选择正确的板卡和端口工具》 面板和工具》 端口菜单)。您应该有一个每15秒更改一次的工作红绿灯,如下所示(加快): ...