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Controlling led or simply reading values of analog values from joystick... let's get started

Step 1: Parts Used

* Arduino uno (with USB cable)
* Joystick (potentiometer)
* led (any)
* Jumper wires(single strand wires)

Step 2: Connection

Easy to understand with this pic I guess and any questions feel free to comment....

x axis to A1

y axis to A0

SW to pin2

+5v to 5v pin or 3.3v pin

and gnd

Led to 11 pin

Step 3: Code

int xPin = A1;
int yPin = A0;

int buttonPin = 2;

int led=11;

int xPosition = 0;

int yPosition = 0;

int buttonState = 0;

void setup()

{

Serial.begin(9600);

pinMode(xPin, INPUT);

pinMode(yPin, INPUT);

pinMode(led,OUTPUT);

pinMode(buttonPin, INPUT_PULLUP);

}

void loop()

{

xPosition = analogRead(xPin);

yPosition = analogRead(yPin);

buttonState = digitalRead(buttonPin);

Serial.print("X: ");

Serial.print(xPosition);

Serial.print(" | Y: ");

Serial.print(yPosition);

Serial.print(" | Button: ");

Serial.println(buttonState);

analogWrite(led,xPosition);

delay(100);

}

Step 4: Testing

You can add another led to to y axis and make to use
...

Step 5: Potentiometer

Potentiometer can be used instead of joystick

About This Instructable

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Bio: Relationship status electronics engineer from Canara engineering college, Mangalore
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