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Gamepad JoyStick Keypad Buttons Shield PS2 Arduino Uno I2C

1/4/8/16 TTP Digital Capacitive Touch Sensor Switch Keypad Module Arduino Raspberry Pi
KY-023 Dual-Axis XY Joystick Module PS2 Type for Arduino ESP32 Raspberry Pi
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Description

Enhance Your Gaming Experience with the Upgraded Joystick V2.0 for Arduino Uno – Elevate Your Arduino Projects to the Next Level!

Introducing the Joystick V2.0 with Nokia 5110 LCD and nRF24L01 Interface – Unleash the Power of Wireless Communication in Your Gaming Creations!

Upgrade your gaming possibilities with the Joystick V2.0 for Arduino Uno. Now featuring an integrated Nokia 5110 LCD and an nRF24L01 interface, this joystick opens up a world of opportunities for developing immersive gaming experiences and seamless wireless communication between devices.

Designed to seamlessly integrate with your Arduino Uno, this shield instantly transforms it into a versatile gaming controller. With a total of 7 responsive momentary push buttons, including 4 large buttons, 2 small buttons, and a joystick select button, along with a precision-engineered two-axis thumb joystick, your Arduino projects can now achieve functionality reminiscent of the classic Nintendo controllers that we all cherish.

It’s important to note that the Joystick V2.0 with Nokia 5110 integration may not be compatible with the standard Arduino board. The reason behind this is the standard Arduino board’s limited 3.3v power supply, which provides a mere 50mA current output – insufficient to power the backlight of the Nokia 5110. However, our specialized Freaduino offers an impressive 800mA current supply, far surpassing the demands of the Nokia 5110. This ensures optimal performance and display quality for your gaming experiences.

Please be aware that the button covers come in mixed colors, which might vary from those depicted in the images. Embrace the uniqueness of your gaming setup!

Elevate your gaming creations today with the Joystick V2.0 – Unleash Wireless Gaming and Unparalleled Control with Arduino Uno and Freaduino. Order now and embark on a journey of limitless gaming possibilities!

📌 Code Examples & Usage – Gamepad Joystick & Button Shield (PS2 Style, I²C)

📋 Overview

This PS2-style gamepad joystick shield combines dual analog joysticks and multiple buttons into a single controller board that communicates via I²C, greatly reducing the number of GPIO pins required.

It is ideal for:

  • Robot and RC vehicle control

  • Game and emulator controllers

  • Menu navigation & UI input

  • Educational STEM projects

  • Arduino-based control panels

📌 Unlike classic PS2 controllers, this module communicates over I²C, not SPI.

⚙ Key Features

  • Interface: I²C

  • Compatible with Arduino Uno / Mega

  • Dual analog joysticks (X/Y axes)

  • Multiple digital buttons

  • Single I²C address (module dependent)

  • Plug-and-play shield format

⚠ IMPORTANT – Read Before Use

✔ Uses I²C, not direct GPIO
✔ Default voltage: 5V
✔ Only uses SDA & SCL plus power
✔ Much simpler wiring than GPIO-based gamepads

📌 Button mapping is handled internally by the module’s controller IC.

🔌 Wiring (I²C)

When used as a shield, the pins connect automatically.

For jumper-wire use:

Shield Pin Arduino Uno
VCC 5V
GND GND
SDA A4
SCL A5

🔍 I²C Address

Most versions use a fixed I²C address (commonly 0x40 or 0x52, depending on firmware).

If unsure, run an I²C scanner to confirm:

#include <Wire.h>

void setup() {
Wire.begin();
Serial.begin(9600);
Serial.println("Scanning I2C bus...");
for (byte addr = 1; addr < 127; addr++) {
Wire.beginTransmission(addr);
if (Wire.endTransmission() == 0) {
Serial.print("Found device at 0x");
Serial.println(addr, HEX);
}
}
}

void loop() {}

🧪 1️⃣ Basic Example – Read Joystick & Buttons (Arduino)

This example shows the general read pattern used by most I²C gamepad shields.
(Register layout may vary slightly between versions.)

#include <Wire.h>

#define GAMEPAD_ADDR 0x52 // change if needed

void setup() {
Wire.begin();
Serial.begin(9600);
}

void loop() {
Wire.beginTransmission(GAMEPAD_ADDR);
Wire.write(0x00); // start register
Wire.endTransmission();

Wire.requestFrom(GAMEPAD_ADDR, 6);
if (Wire.available() >= 6) {
int joy1X = Wire.read();
int joy1Y = Wire.read();
int joy2X = Wire.read();
int joy2Y = Wire.read();
byte buttons1 = Wire.read();
byte buttons2 = Wire.read();

Serial.print("J1 X:");
Serial.print(joy1X);
Serial.print(" Y:");
Serial.print(joy1Y);

Serial.print(" | J2 X:");
Serial.print(joy2X);
Serial.print(" Y:");
Serial.print(joy2Y);

Serial.print(" | Buttons: ");
Serial.print(buttons1, BIN);
Serial.print(" ");
Serial.println(buttons2, BIN);
}

delay(100);
}

📌 Joystick values are typically 0–255, centered near ~127.

🎮 2️⃣ Simple Robot Control Example (Joystick → Motor Speed)

int mapSpeed(int val) {
return map(val, 0, 255, -255, 255);
}

// Use joy1Y for forward/reverse
// Use joy1X for steering

This pairs perfectly with:

  • L298N / L293D motor drivers

  • ESP8266 / ESP32 robot projects

  • Tank-style or differential drive robots

🧪 3️⃣ Button Action Example

if (buttons1 & 0x01) {
Serial.println("Button A pressed");
}
if (buttons1 & 0x02) {
Serial.println("Button B pressed");
}

📌 Button bit positions vary by module revision — print raw values first to confirm mapping.

🎛 Calibration Notes

✔ Joysticks may not center perfectly
✔ Use a dead zone around the center value:

if (abs(joy1X - 127) < 10) joy1X = 127;

This prevents jitter when hands are off the stick.

🧠 Common Issues & Fixes

Issue Cause Fix
No response Wrong I²C address Run I²C scanner
Random values Loose shield contact Reseat shield
Jittery joystick No dead zone Add software dead zone
Buttons reversed Bit mapping Adjust bit masks

Additional information

Weight 60 g
Dimensions 260 × 160 × 20 mm

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