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10. Analog Joystick

Analog joysticks are versatile input devices commonly used in game controllers, robotics, and various DIY projects. They provide a simple and intuitive way to control the movement or direction of objects and can be easily interfaced with Arduino boards.

Materials​

ComponentImage
Breadboard
Jumper wires
Arduino Uno R4 Minima
Joystick Module

Instructions​

  1. Make the following connections using the breadboard and jumper wires.

Connections​

(Joystick module to Arduino)

  • GND to GND
  • 5V to 5V
  • VRx to A0
  • VRy to A1
  • SW to pin 2
  1. Paste the following code into your main Arduino sketch:

Code​

// Arduino pin numbers
const int SW_pin = 2;   // digital pin connected to switch output
const int X_pin = A0;   // analog pin connected to X output
const int Y_pin = A1;   // analog pin connected to Y output

void setup() {
  pinMode(SW_pin, INPUT);
  digitalWrite(SW_pin, HIGH);
  Serial.begin(9600);
}

void loop() {
  Serial.print("Switch:  ");
  Serial.print(digitalRead(SW_pin));
  Serial.print("\n");
  Serial.print("X-axis: ");
  Serial.print(analogRead(X_pin));
  Serial.print("\n");
  Serial.print("Y-axis: ");
  Serial.println(analogRead(Y_pin));
  Serial.print("\n\n");
  delay(1000);
}

  1. Connect your Arduino to your laptop using a USB-C cable and upload the code to the arduino.

  2. Test! Open the serial monitor and observe the print out statements as you move the joystick module.

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