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2024-09-27 01:22:07 +08:00
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代码案例/6 Arduino基础学习/22 MC猜数字（4）- switch case语句/Lesson22-4_switch_random/.pydio Normal file
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代码案例/6 Arduino基础学习/22 MC猜数字（4）- switch case语句/Lesson22-4_switch_random/Lesson22-4_switch_random.ino Executable file
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/*
22 MC猜数字 - 4 switch case语句(4) switch...random
太极创客
www.taichi-maker.com
此程序用于太极创客<<零基础入门学用Arduino教程>>
22 MC猜数字 - 4 switch case语句
课程的演示实验使用。
2017-04-21
*/
void setup() {
int pinNumber = 3;
while(pinNumber <= 9){
pinMode(pinNumber, OUTPUT);
pinNumber = pinNumber + 1;
}
}
// the loop function runs over and over again forever
void loop() {
int myNumber = random(0, 4);
switch(myNumber) {
case 1: //显示1
digitalWrite(4, HIGH);
digitalWrite(7, HIGH);
break;
case 2: //显示2
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
break;
case 3: //显示3
digitalWrite(3, HIGH);
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
break;
default:
digitalWrite(4, HIGH);
digitalWrite(5, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
}
delay(500);
//清理显示内容
digitalWrite(3, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
digitalWrite(6, LOW);
digitalWrite(7, LOW);
digitalWrite(8, LOW);
digitalWrite(9, LOW);
delay(500);
}