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Today we will make a MP3 player with LCD using Arduino and DFPlayer mini MP3 Player Module.
The project can read the MP3 files in the SD card, and can pause and play the same as the device 10 years ago. And also it has previous song and next song funtion
► Code in GitHub (scheme and sketch): https://github.com/DKARDU/mp3
► Components
The following parts were used in this project:
Arduino Uno, https://amzn.to/3ihYFBl
MP3-TF-16P mini mp3 player, https://amzn.to/3lC8Rqn
Speaker
1K resistor, https://amzn.to/2OSGlBW
3 of 100Ω resistors, https://amzn.to/2OSGlBW
RGB LED, https://amzn.to/3iGb2qO
1.3 inch oled display, https://amzn.to/3gTMZnW
3 Switch buttons, https://amzn.to/3hKNL7N
Jumper wires, https://amzn.to/3jCHhZd
Breadboard, https://amzn.to/33yEavN
❤Subscribe It's Free https://bit.ly/2C6HdAg
Thanks for watching, Stay home and Be safe...Have a great day!
#Arduinoproject #Arduinomp3 #Howto
// starts to play the actual file in the actual folder
void startFolderPlay() {
filecounts = myDFPlayer.readFileCountsInFolder(folder);
myDFPlayer.playFolder(folder, file);
playing = false;
}
//Battery management
void batteryReader()
{
if((millis() - lastTimepassed) > 60000)
{
mins++;
Serial.println("One min");
lastTimepassed = millis();
}
if(mins > 5 || mins == 0)
{
/*Add battery logic here*/
mins = 1;
updateScreen = true;
}
}
void settings()
{
sideMenu();
topMenu();
u8g2.setFont(u8g2_font_glasstown_nbp_tf);
u8g2.setCursor(65,13);
u8g2.print(F("Setting"));
u8g2.setFontMode(0);
u8g2.setCursor(47,40);
u8g2.print(F("Volume"));
if(selection == 1 && !inSideMenuSelection)
{
u8g2.setFont(u8g2_font_open_iconic_arrow_1x_t);
if(volume > 0)
u8g2.drawGlyph(85,40,77);
if(volume < 30)
{
if(volume < 10)
u8g2.drawGlyph(100,40,78);
else
u8g2.drawGlyph(105,40,78);
}
}
u8g2.setFont(u8g2_font_glasstown_nbp_tf);
u8g2.setCursor(95,40);
u8g2.print(volume);
u8g2.setDrawColor(1);
u8g2.setCursor(67,60);
u8g2.print(F("EQ"));
if(selection == 2 && !inSideMenuSelection)
{
u8g2.setFont(u8g2_font_open_iconic_arrow_1x_t);
if(eq > 0)
u8g2.drawGlyph(85,60,77);
if(eq < 5)
u8g2.drawGlyph(100,60,78);
}
u8g2.setFont(u8g2_font_glasstown_nbp_tf);
u8g2.setCursor(95,60);
u8g2.print(eq);
u8g2.setDrawColor(1);
if(selection == 4 && !inSideMenuSelection)
{
u8g2.setDrawColor(0);
}
u8g2.setFont(u8g2_font_open_iconic_arrow_1x_t);
u8g2.drawGlyph(120,60,83);
u8g2.setDrawColor(1);
}
void flashPage()
{
drawIcon(u8g2_font_open_iconic_play_4x_t,u8g2.getDisplayWidth()/2-12,u8g2.getDisplayHeight()-22,64);
u8g2.setFont(u8g2_font_glasstown_nbp_tf);
u8g2.setCursor(50,55);
u8g2.print(F("Soundpod"));
// u8g2.drawStr(50,u8g2.getDisplayHeight()-5,"Soundpod");
}
void topMenu()
{
u8g2.setFont(u8g2_font_open_iconic_play_1x_t);
if(volume > 20)
u8g2.drawGlyph(119,9,79);
if(volume <= 20)
u8g2.drawGlyph(119,9,80);
if(volume < 10)
u8g2.drawGlyph(119,9,81);
//
// u8g2.setFont(u8g2_font_glasstown_nbp_tf);
// u8g2.setCursor(25,9);
// u8g2.print(batteryLevel);
// u8g2.setCursor(35,9);
// u8g2.print("%");
}
void sideMenu()
{
uint16_t menuList[3][2] = {{77,u8g2_font_open_iconic_play_2x_t},{64,u8g2_font_open_iconic_mime_2x_t},};
u8g2.setFontMode(0);//,u8g2_xxx_tX,0,
//Audio player selection
if(abs(sMenuSelection) == 1 && inSideMenuSelection)
{
u8g2.drawRBox(0,12,20,21,3); //u8g2.drawRBox(,,,,);
u8g2.setDrawColor(0);//0 1 0,1
}
//Audio player
drawIcon(menuList[0][1],2,30,menuList[0][0]);
u8g2.setDrawColor(1);
//About Selection
if(abs(sMenuSelection) == 2 && inSideMenuSelection)
{
u8g2.drawRBox(0,33,20,19,3);
u8g2.setDrawColor(0);
}
//About
drawIcon(menuList[1][1],2,52,menuList[1][0]);
u8g2.setDrawColor(1);
u8g2.drawLine(22,0,22,68);
//u8g2.drawHLine(x, y, w); // w
//u8g2.drawVLine(x, y, h); // h
//u8g2.drawLine(x1, y1, x2, y2); // x1y11 x2y22
}
void player()
{
sideMenu();
topMenu();
u8g2_uint_t midOriginX = 64;
u8g2_uint_t midOriginY = 44;
u8g2.setFontMode(0);
u8g2.setCursor(45,25);
u8g2.setFont(u8g2_font_glasstown_nbp_tf);
u8g2.print("Track : ");
u8g2.setCursor(78,25);
u8g2.print(file);
u8g2.setCursor(88,25);
u8g2.print('/');
u8g2.setCursor(95,25);
u8g2.print(filecounts);
if(selection == 1 && !inSideMenuSelection)
{
u8g2.drawRBox(midOriginX-7,midOriginY-5,11,9,2);
u8g2.setDrawColor(0);
}
u8g2.setFont( u8g2_font_open_iconic_play_1x_t);
u8g2.drawGlyph(midOriginX-5,midOriginY+4,73);
u8g2.setDrawColor(1);
if(selection == 2 && !inSideMenuSelection)
{
u8g2.drawRBox(midOriginX+7.5,midOriginY-8.5,16.5,15,3);
u8g2.setDrawColor(0);
}
u8g2.setFont(u8g2_font_open_iconic_play_2x_t);
if(playing)
{
u8g2.drawGlyph(midOriginX+7.5,midOriginY+7.5,68); // ()
}
else
{
u8g2.drawGlyph(midOriginX+7.5,midOriginY+7.5,69);
}
u8g2.setDrawColor(1);
if(selection == 3 && !inSideMenuSelection)
{
u8g2.drawRBox(midOriginX+25,midOriginY-5,12,9,2);
u8g2.setDrawColor(0);
}
u8g2.setFont(u8g2_font_open_iconic_play_1x_t);
u8g2.drawGlyph(midOriginX+27,midOriginY+4,74);
u8g2.setDrawColor(1);
if(selection == 4 && !inSideMenuSelection)
{
u8g2.setDrawColor(0);
}
u8g2.setFont(u8g2_font_open_iconic_arrow_1x_t);
u8g2.drawGlyph(120,60,80 );
u8g2.setDrawColor(1);
}
void drawIcon(const uint8_t* iconName,u8g2_uint_t x,u8g2_uint_t y,uint16_t glyph)
{
u8g2.setFont(iconName);
u8g2.drawGlyph(x,y,glyph);
}
void led_UP(){
if(volume==0){
setColor(0,0,0);
}
if(volume==1){
setColor(255,0,255);
}
if(volume==4){
setColor(0,0,255);
}
if(volume == 9){
setColor(0,255,0);
}
if(volume == 14){
setColor(255,255,0);
}
if(volume == 19){
setColor(0,255,255);
}
if(volume == 24){
setColor(255,0,0);
}
if(volume==29){
setColor(0,0,255);
}
}
void led_DOWWN(){
if(volume== 0){
setColor(0,0,0);
}
if(volume== 4){
setColor(255,0,255);
}
if(volume == 9){
setColor(0,0,255);
}
if(volume == 14){
setColor(0,255,0);
}
if(volume ==19){
setColor(255,255,0);
}
if(volume == 24){
setColor(0,255,255);
}
if(volume == 29){
setColor(255,0,0);
}
}
void leftButtonISR()
{
led_UP();
static unsigned long last_interrupt_time = 0;
unsigned long interrupt_time = millis();
// If interrupts come faster than 150ms, assume it's a bounce and ignore
if (interrupt_time - last_interrupt_time > 150)
{
updateScreen = true;
if(inSideMenuSelection && sMenuSelection < 2)
{
sMenuSelection++;
}
else if(selection < 4 && sMenuSelection == 1)
{
selection++;
}
else if(selection == 1 && volume < 30 &&sMenuSelection == 2 && !inSideMenuSelection)
{
volume++;
}
else if(selection == 2 && eq < 5 && sMenuSelection == 2 && !inSideMenuSelection)
{
eq++;
}
}
last_interrupt_time = interrupt_time;
}
void rightButtonISR()
{
led_DOWWN();
static unsigned long last_interrupt_time = 0;
unsigned long interrupt_time = millis();
// If interrupts come faster than 150, assume it's a bounce and ignore
if (interrupt_time - last_interrupt_time > 150)
{
updateScreen = true;
if(inSideMenuSelection && sMenuSelection > 1)
{
sMenuSelection--;
}
else if(selection > 1 && sMenuSelection == 1)
{
selection--;
}
else if(selection == 1 && volume > 0 &&sMenuSelection == 2)
{
volume--;
}
else if(selection == 2 && eq > 0 && sMenuSelection == 2)
{
eq--;
}
}
last_interrupt_time = interrupt_time;
}
#include <Arduino.h>
#include <SoftwareSerial.h>
#include <DFRobotDFPlayerMini.h>
#include <U8g2lib.h>
#include <Wire.h>
#include <EEPROM.h>
#define led1 11
#define led2 10
#define led3 6
SoftwareSerial customSoftwareSerial(12,13);
DFRobotDFPlayerMini myDFPlayer;
U8G2_SH1106_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
const uint8_t leftButton = 2;
const uint8_t selectionButton = 5;
const uint8_t rightButton = 3;
volatile uint8_t sMenuSelection = 2;
volatile uint8_t selection = 1;
volatile bool updateScreen = true;
boolean playing = false;
boolean inSideMenuSelection = true;
// Variables
uint8_t filecounts; // total number of files in current folder
uint8_t foldercounts; // total number of folders on sd-card
uint8_t volume = 20; // current volume (0 .. 30)
uint8_t folder = 1; // current sd-card folder
uint8_t file = 1; // curent file in current folder
uint8_t eq = 0;
uint8_t batteryLevel = 0;
float resistor_ratio_factor = 3.91;
uint8_t mins = 0;
unsigned long lastTimepassed = 0;
void setup(void) {
//Initializing u8g2 library
Serial.begin(9200);
u8g2.begin();
u8g2.firstPage();
do{
flashPage();
}while(u8g2.nextPage());
pinMode(leftButton,INPUT_PULLUP);
pinMode(rightButton,INPUT_PULLUP);
pinMode(selectionButton,INPUT_PULLUP);
pinMode(led1,OUTPUT);
pinMode(led2,OUTPUT);
pinMode(led3,OUTPUT);
attachInterrupt(digitalPinToInterrupt(leftButton),leftButtonISR, FALLING);
attachInterrupt(digitalPinToInterrupt(rightButton),rightButtonISR, FALLING);
//being hardware serial for debugging
Serial.begin(9600);
//Initializing software serial
customSoftwareSerial.begin(9600);
if (!myDFPlayer.begin(customSoftwareSerial)) { //Use softwareSerial to communicate with mp3.
Serial.println(F("Please insert the SD card!"));
}
volume = EEPROM.read(0);
if(volume > 30)
volume = 30;
eq = EEPROM.read(1);
if(eq > 5)
eq = 5;
file = EEPROM.read(2);
if(file >= 255)
file = 1;
delay(1000);
myDFPlayer.volume(volume); //Set volume value. From 0 to 30
delay(500);
foldercounts = myDFPlayer.readFolderCounts();
startFolderPlay();
//
}
void setColor(int red,int green,int blue)
{
analogWrite(led1,255-red);
analogWrite(led2,255-green);
analogWrite(led3,255-blue);
}
void loop() {
batteryReader();
//Selection button
if(!digitalRead(selectionButton) && inSideMenuSelection)
{
inSideMenuSelection = false;
updateScreen = true;
delay(200);
}
else if(!digitalRead(selectionButton) && !inSideMenuSelection && sMenuSelection == 1)
{
if(selection == 1)
{
if(file > 1)
{
//previous audio
myDFPlayer.previous();
file--;
if(!playing)
playing = true;
EEPROM.write(2, file);
}
}
else if(selection == 2)
{
//pause / play
if(playing)
{
myDFPlayer.pause();
}
else
{
myDFPlayer.start();
}
playing = !playing;
}
else if(selection == 3)
{
//next audio
file++;
myDFPlayer.next();
if(!playing)
playing = true;
EEPROM.write(2, file);
}
else if(selection == 4)
{
//back to side menu
selection = 1;
inSideMenuSelection = true;
}
updateScreen = true;
delay(200);
}else if(!digitalRead(selectionButton) && !inSideMenuSelection && sMenuSelection == 2)
{
if(selection == 1)
{
selection = 2;
myDFPlayer.volume(volume);
EEPROM.write(0, volume);
}
else if(selection == 2)
{
selection = 4;
myDFPlayer.EQ(eq);
EEPROM.write(1, eq);
}
else if(selection == 4)
{
//back to side menu
selection = 1;
inSideMenuSelection = true;
}
updateScreen = true;
delay(200);
}
//Updating the dispaly
if(updateScreen)
{
u8g2.firstPage();
do {
int ch = (sMenuSelection);
switch(ch){
case 1:
player();
break;
case 2:
settings();
break;
default:
Serial.println(F("Default Screen"));
}
updateScreen = false;
}while ( u8g2.nextPage() );
}
// check player status
if (myDFPlayer.available()) {
uint8_t type = myDFPlayer.readType();
int value = myDFPlayer.read();
switch (type) {
case DFPlayerPlayFinished:
if (file < filecounts) {
file++;
myDFPlayer.playFolder(folder, file);
EEPROM.write(2, file);
updateScreen = true;
}
break;
default:
break;
}
}
}
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