互动彩灯

来源：互联网发布：2017总决赛g5 知乎编辑：程序博客网时间：2024/04/27 16:03
//项目十二 –互动彩灯int redPin = 9;                // R – digital 9    int greenPin = 10;             // G – digital 10int bluePin = 11;              // B – digital 11int potRedPin = 0;             // 电位器1 – analog 0int potGreenPin = 1;           // 电位器2 – analog 1int potBluePin = 2;            // 电位器3 – analog 2void setup(){   pinMode(redPin,OUTPUT);   pinMode(greenPin,OUTPUT);   pinMode(bluePin,OUTPUT);   Serial.begin(9600);           // 初始化串口}void loop(){   int potRed = analogRead(potRedPin);     // potRed存储模拟口0读到的值   int potGreen = analogRead(potGreenPin); // potGreen存储模拟口1读到的值   int potBlue = analogRead(potBluePin);  // potBlue存储模拟口2读到的值    int val1 = map(potRed,0,1023,0,255);     //通过map函数转换为0~255的值   int val2 = map(potGreen,0,1023,0,255);   int val3 = map(potBlue,0,1023,0,255);      //串口依次输出Red，Green，Blue对应值   Serial.print("Red:");                     Serial.print(val1);   Serial.print("Green:");   Serial.print(val2);   Serial.print("Blue:");   Serial.println(val3);      colorRGB(val1,val2,val3);      // 让RGB LED 呈现对应颜色}//该函数用于显示颜色void colorRGB(int red, int green, int blue){        analogWrite(redPin,constrain(red,0,255));   analogWrite(greenPin,constrain(green,0,255));   analogWrite(bluePin,constrain(blue,0,255));}
0 0