/* Blink Turns on an LED on for one second, then off for one second, repeatedly. This example code is in the public domain. */ // Pin 13 has an LED connected on most Arduino boards. // give it a name: int led =
turnONLedSpeaker(400); morseCode.concat("-");// Storing code in variable morseCode with the help of concatenation function Serial.print("-");//Prints User entered Code delay(200); }elseif(dotButtonState == HIGH) { turnONLedSpeaker(300); morseCode.concat("."); Serial.print("."); ...
标注字符IN的是控制线、VCC是电源线、GND是地线。 3.连接模块 Mega开发板,2-13都是pwm接口,随便选一个都可以。 Uno开发板,3,5,6,9,10,11是pwm接口,可以在开发板上看到接口数字边上有个~。 LED灯IN连接到Mega D2接口;VCC接到Mega 5V接口;GND接到Mega GND接口。 早期的开发板,为了防止电压不稳定击穿电...
{ // // put your setup code here, to run once: // // int result = myFunction(2, 3); // pinMode(LED_PIN, OUTPUT); // pinMode(LED_PIN_2, OUTPUT); // pinMode(LED_PIN_3, OUTPUT); // Serial.begin(9600); // } /* Fade This example shows how to fade an LED on pin ...
digitalWrite(led, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for a second } 复制代码 代码开头: /* Blink Turns on an LED on for one second, then off for one second, repeatedly. This example code is in the public domain. ...
This example code is in the public do main. */ //Pin13 has an LED connected on most Arduino boards. //give it a name: Int led=13; //the setup routine runs once when you press reset Void setup(){//initialize the digital pin as an output. ...
图12:LED熄灭 图13:LED点亮 5) 附件:Arduino代码 /* Project: LED_Blink * Written by:Chris Marella * Date: January 4, 2017 * Description: The following code will flash an LED on and off. */ //Pin Definitions const int LED = 3; //define digital pin 3 as LED output ...
模拟,您可以看到 arduino nano 上的每个引脚如何能够单独控制我们立方体上的 LED。 使用Arduino Nano设计和构建4×4×4 Led Cube 检查所有 64 个 LED,确保它们使用小纽扣电池工作。 在我们开始组装 LED 立方体并进行任何焊接之前,最好确保 LED 正常工作。我们的 LED 需要 3.3 ...
使用Arduino控制继电器模块就像控制LED一样简单。草图首先声明继电器模块的输入引脚连接到的引脚。int Relay...
// and LOW when it's pressed. Turn on pin 13 when the // button's pressed, and off when it's not: if (sensorVal == HIGH) { digitalWrite(13, LOW); } else { digitalWrite(13, HIGH); } } [Get Code] 更多 setup() loop() ...