Music Box(Joystick)

Language	English

Overview

Build a music box here! You can play the music files in the TF card, select the song with Joystic rocker and change volume.

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Schematic

By reading the analog value, you can detect and judgeg the Joystic's movement in the X-Y direction.At the same time, you can choose the control mode according to the stay time.

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Equipment

Module	Number	Function
mCookie-CoreUSB/zh	1	Core board
mCookie-Hub/zh	1	Sensor pin board
mCookie-Audio/zh	1	Audio Module
mCookie-Amplifier/zh	1	Power amplifier module
mCookie-BM/zh	1	Battery Management
Microduino-Joystick/zh	1	JoyStick

Other Equipment：
- 2 Speaker
- 1 Batteray
- 1 TF card

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Code

Setup 1：Connect the CoreUSB module to your computer and then start the

Arduino IDE.

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Setup 2：Select Files>Examples>mCokie>_203_MusicBox_Joystick

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Setup 3：Click upload button to upload program. When "Done Uploading"

appears, the program should have successfully been uplloaded into the CoreUSB.

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Software Debugging

” audio.h” Audio lib file
Audio module Serial uses D2, D3

#include <SoftwareSerial.h>

SoftwareSerial mySerial(2, 3); // RX, TX

#define AUDIO_PORT mySerial

Detection rocker value

int uiStep()         //Change songs
{
  if (analogRead(A0) < 100)  //Y-up
  {
    delay(50);       //50 ms delay
    if (analogRead(A0) < 100)      //
      return 1;      //return 1
  }
  if (analogRead(A1) < 100)    //
  {
    delay(50);       //50 ms delay
    if (analogRead(A1) < 100)  //X-Right
      return 2;      //return 2
  }
  if (analogRead(A1) > 900)    //X-Left
  {
    delay(50);       //50 ms delay
    if (analogRead(A1) > 900)  //
      return 3;      //Return to 3
  }
  return 0;
}

OLED displays interface and user can change it.

 //The main interface can be freely changed. 
void draw()
{
  setFont_L;

  u8g.setPrintPos(4, 16);
  u8g.print("Music_sta:");
  u8g.print(music_status ? "play" : "pause");

  u8g.setPrintPos(4, 16 * 2);
  u8g.print("Music_vol:");
  u8g.print(music_vol);
  u8g.print("/30");
  u8g.setPrintPos(4, 16 * 3);
  u8g.print("Music_num:");
  u8g.print(music_num);
  u8g.print("/");
  u8g.print(music_num_MAX);
  u8g.setPrintPos(4, 16 * 4);
  u8g.print("....Microduino....");
  //u8g.print(rtc.formatTime(RTCC_TIME_HMS));
}