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Unit Joystick

SKU:U024

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Description

Joystick is a joystick control input unit, adopts I2C communication interface, supports three-axis control signal input (X/Y-axis offset analog input, Z-axis key digital input). Suitable for application scenarios such as games/robot control.

Features

  • Three-axis input:
    • X/Y axis offset analog input
    • Z-axis key digital input
  • 2x LEGO compatible holes
  • Development platform: Arduino, UIFlow(Blockly, Python)

Includes

  • 1x Joystick Unit
  • 1x HY2.0-4P cable

Applications

  • Game Controller
  • Robot remote control

Specifications

Specifications Parameters
Communication protocol I2C: 0x52
X, Y axis offset output value 0-255
Z axis button output value 0/1
Net weight 11g
Gross weight 27g
Product size 48 * 24 * 32mm
Packing size 75 * 45 * 30mm

EasyLoader

EasyLoader is a simple and fast program burner, which has a built-in product-related case program, which can be burned to the main control through simple steps to perform a series of functional verification.

Case description:
Display joystick XY data and button status.

Download Windows Version Easyloader Download MacOS Version Easyloader

PinMap

  • JOYSTICK
M5CORE - PORT A G21 G22 5V GND
JOYSTICK SDA SCL VCC GND

Protocol

  • Protocol type I2C
  • I2C Address: 0x52

JOYSTICK REG 0x52

REG len description return values
0x52 3 Read joystick status [0] X VALUE
[1] Y VALUE
[2] BTN STATUS

Schematics

Softwares

Arduino


#include <M5Stack.h>

#define JOY_ADDR 0x52 //define Joystick I2C address

void setup() {
  M5.begin();
  M5.Power.begin();
  M5.Lcd.setCursor(70, 0, 4);
  M5.Lcd.println(("Joystick Test"));
  dacWrite(25, 0);  //disable the speak noise.
  Wire.begin(21, 22, 400000);
}

char data[100];
void loop() {
  static uint8_t x_data,y_data,button_data;
  Wire.requestFrom(JOY_ADDR, 3);  //Request 3 bytes from the slave device.  
  if (Wire.available()) { //If data is received.
    x_data = Wire.read();
    y_data = Wire.read();
    button_data = Wire.read();
    sprintf(data, "x:%d y:%d button:%d\n", x_data, y_data, button_data);
    Serial.print(data);

    M5.Lcd.setCursor(100, 50, 4);
    M5.Lcd.printf("X:%d      ",x_data);
    M5.Lcd.setCursor(100, 80, 4);
    M5.Lcd.printf("Y:%d      ",y_data);
    M5.Lcd.setCursor(100, 110, 4);
    M5.Lcd.printf("B:%d      ",button_data);
  }
  delay(200);
}

UIFlow

UIFlow1.0 UIFlow1.0 Unit joystick Docs
UIFlow1.0 Unit joystick Docs
How to use Unit joystick and related API instructions in the UIFlow1.0

Usage