Arduino Lab 4 - LED跑馬燈

Lab目的︰

• 使用LED製作跑馬燈效果。

元件︰

• LED x 10
• 220Ω 電阻 x 10

接線圖︰

架構圖︰

程式碼︰

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const int ledcount = 10; int ledPin[] = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }; void setup() { for (int thisLed = 0 ; thisLed < ledcount ; thisLed++ ) { pinMode( ledPin[ thisLed ], OUTPUT ); } } void loop() { for ( int thisLed = 0 ; thisLed < ledcount ; thisLed++ ) { digitalWrite( ledPin[ thisLed ], HIGH ); delay(80); digitalWrite( ledPin[ thisLed ], LOW ); } for ( int thisLed = ledcount-1 ; thisLed >= 0 ; thisLed-- ) { digitalWrite( ledPin[ thisLed ], HIGH ); delay(80); digitalWrite( ledPin[ thisLed ], LOW); } }