Episode 31- Basics of Arduino_User defined function (Malayalam) part 1

circuit

The code

	#define x_axis A0
	#define y_axis A1
	#define red 3
	#define blue 5
	int x;
	int y;
	int red_value;
	int blue_value;
	int equation(int data)
	{
	int value;
	value=(178/120)*(data-270);
	return value;
	}
	void work(int Value,int pin)
	{
	if(Value<0)
	analogWrite(pin,0);
	else
	analogWrite(pin,Value);
	}
	void setup() {
	pinMode(x_axis,INPUT);
	pinMode(y_axis,INPUT);
	pinMode(red,OUTPUT);
	pinMode(blue,OUTPUT);
	analogWrite(red,0);
	analogWrite(blue,0);
	Serial.begin(9600);
	}
	void loop() {
	x=analogRead(x_axis);
	y=analogRead(y_axis);
	red_value=equation(x);
	blue_value=equation(y);
	work(red_value,red);
	work(blue_value,blue);
	}

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