Aarduino控制三色灯代码

最新推荐文章于 2025-11-10 15:07:44 发布

原创最新推荐文章于 2025-11-10 15:07:44 发布 · 2.1k 阅读

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该代码段展示了如何通过ASCII字符输入控制RGB灯光。当接收到特定字符如'a'到'e'时，程序会改变红绿蓝三色LED灯的状态，实现不同颜色的灯光效果。例如，字符'a'点亮红色灯，'b'点亮绿色灯，'c'点亮蓝色灯。程序使用了Arduino的digitalWrite函数来切换灯的状态，并通过Serial通信进行输入接收。

int RED = 9;
int GREEN = 10;
int BLUE = 11;
void setup() {
  pinMode(RED,OUTPUT);
   pinMode(GREEN,OUTPUT);
    pinMode(BLUE,OUTPUT);
     Serial.begin(9600);
}

void loop() {
  if(Serial.available()>0){
    char ch = Serial.read();
    Serial.println(ch);
    if(ch == 'a'){
      digitalWrite(RED,HIGH);
      digitalWrite(GREEN,LOW);
      digitalWrite(BLUE,LOW);
    }
    else if(ch == 'b'){
      digitalWrite(RED,LOW);
      digitalWrite(GREEN,HIGH);
      digitalWrite(BLUE,LOW);
       }
       else if(ch == 'c'){
      digitalWrite(RED,LOW);
      digitalWrite(GREEN,LOW);
      digitalWrite(BLUE,HIGH);
       }
        else if(ch == 'd'){
      digitalWrite(RED,HIGH);
      digitalWrite(GREEN,LOW);
      digitalWrite(BLUE,HIGH);
    }
     else if(ch == 'e'){
      digitalWrite(RED,HIGH);
      digitalWrite(GREEN,HIGH);
      digitalWrite(BLUE,HIGH);
  }
   else if(ch == 'f'){
      digitalWrite(RED,HIGH);
      digitalWrite(GREEN,HIGH);
      digitalWrite(BLUE,LOW);
  }
}
}