งานปฏิบัติที่ 18 งานโปรแกรมรับค่า Analog INPUT มาควบคุม LED แบบต่างๆ

wiring diagram

รูปที่ 1

โค้ดที่18.1 (Code Arduino)

int led = 10;

void setup()

{

  Serial.begin(9600);

  pinMode(led,OUTPUT);     

}

void loop()

{

  int x,y;

  x = analogRead(A0);

  y = map(x,0,1023,0,255);

  Serial.print("x = ");Serial.println(x);

  Serial.print("y = ");Serial.println(y);  

  analogWrite(led,y);

}

โค้ดที่18.2 (Code Arduino) 

int red = 11;int green = 10;int blue = 9;void setup(){  Serial.begin(9600);  pinMode(red,OUTPUT);     pinMode(green,OUTPUT);    pinMode(blue,OUTPUT);    }void loop(){  int x,y,z,r,s,t;  x = analogRead(A0);  y = analogRead(A1);  z = analogRead(A2);  r = map(x,0,1023,0,255);  s = map(y,0,1023,0,255);  t = map(z,0,1023,0,255);  Serial.print("r = ");Serial.println(r);  Serial.print("s = ");Serial.println(s);   Serial.print("t = ");Serial.println(t);   analogWrite(red,r);  analogWrite(green,s);  analogWrite(blue,t);

}

โค้ดที่18.3 (Code Arduino) 

int red = 11;

int green = 10;

int blue = 9;

void setup()

{

  Serial.begin(9600);

  pinMode(red,OUTPUT);   

  pinMode(green,OUTPUT);  

  pinMode(blue,OUTPUT);    

}

void loop()

{

  int x,y,z,r,s,t;

  x = analogRead(A0);

  y = analogRead(A1);

  z = analogRead(A2);

  r = map(x,0,1023,0,255);

  s = map(y,0,1023,0,255);

  t = map(z,0,1023,0,255);

  Serial.print("r = ");Serial.println(r);

  Serial.print("s = ");Serial.println(s); 

  Serial.print("t = ");Serial.println(t); 

  analogWrite(red,r);

  analogWrite(green,s);

  analogWrite(blue,t);

}