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AUSTRALIA
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Components

	ESP32-S3-WROOM-1-N16R8 Espressif Systems	x 1
	SMT 3x6x2.5MM 2PIN Tactile Tact Push Button Micro Switch Self-reset Momentary	x 1
	PEC11H-4220K-S0024 BOURNS INC.	x 1

Tools, APP Software Used etc.

	KiCAD Kicad
	Autodesk Fusion 360 Autodesk

Description

YTM Music Controller

This works by registering input from the button and rotary encoder then sending it to the computer through the ESP via an API which adjusts the music playing accordingly.

Code

ESP Code

Arduino

#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
#include <iostream>
#include <sstream>
#include <string> 
#include "FS.h"
#include <Encoder.h>




// Define your Wi-Fi credentials
const char* ssid = "";
const char* password = "";
String titleCheck = "";
int x1 = 0;


WiFiClient wifiClient;





// Create an instance of the ILI9341 display
#define TFT_CS D2
#define TFT_DC D1
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define ENCODER_A_PIN D3
#define ENCODER_B_PIN D4
#define BUTTON_PIN 12
#define PREV_BTN_PIN D0
#define NEXT_BTN_PIN D8
Encoder myEncoder(ENCODER_A_PIN, ENCODER_B_PIN);
long oldPosition  = -999;
long newPosition = 0;
int volume = 0;
boolean isButtonPressed = false;
long lastUpdateMillis = 0;
boolean isButtonPressed1 = false;
long lastUpdateMillis1 = 0;
boolean isButtonPressed2 = false;
long lastUpdateMillis2 = 0;

void ICACHE_RAM_ATTR handleKey() {
  isButtonPressed = true;  
}

void ICACHE_RAM_ATTR handleKey1() {
  isButtonPressed1 = true;
}

void ICACHE_RAM_ATTR handleKey2() {
  isButtonPressed2 = true;
}

void setup() {
  Serial.begin(115200);
  pinMode(A0, INPUT); 
  if (!SPIFFS.begin()) {
    Serial.println("An Error has occurred while mounting SPIFFS");
    return;
  } else {
    Serial.println("SPIFFS mounted successfully");
  }
  delay(100);

  tft.begin();
  tft.fillScreen(ILI9341_BLACK);

  // Connect to Wi-Fi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

myEncoder.write(0);

   pinMode(BUTTON_PIN, INPUT_PULLUP);
   attachInterrupt(BUTTON_PIN, handleKey, RISING);

    pinMode(NEXT_BTN_PIN, INPUT);
    attachInterrupt(NEXT_BTN_PIN, handleKey1, RISING);

    pinMode(PREV_BTN_PIN,INPUT);
    attachInterrupt(PREV_BTN_PIN,handleKey2,FALLING);



  // Perform HTTP GET request
 // getDataFromAPI();
 


}

void loop() {
  Serial.println(digitalRead(PREV_BTN_PIN));
if (isButtonPressed && millis() - lastUpdateMillis > 50) {
    isButtonPressed = false;
    lastUpdateMillis = millis();
    Serial.println("pressed");
    sendVolume("togglePausePlay");
  } 

  if (isButtonPressed1 && millis() - lastUpdateMillis1 > 50) {
    isButtonPressed1 = false;
    lastUpdateMillis1 = millis();
    Serial.println("N-pressed");
    nextPrev(true,false);
  } 

  if (isButtonPressed2 && millis() - lastUpdateMillis2 > 50) {
    isButtonPressed2 = false;
    lastUpdateMillis2 = millis();
    Serial.println("P-pressed");
    nextPrev(false,true);
  } 

  newPosition = myEncoder.read();
  if (newPosition != oldPosition) {
    int adjust = newPosition - oldPosition;
      volume = volume - adjust;
      if(volume > 100){
        volume = 100;
      }
      if(volume < 0){
        volume = 0;
      }
    
    sendVolume(String(volume));
    oldPosition = newPosition;
  } else{
    getDataFromAPI();
  }
  delay(1000);
}

void sendVolume(String volumeString) {
  HTTPClient http;
  String link = "http://192.168.0.158:13091/volume/" + volumeString;

  http.begin(wifiClient, link);
  int httpCode = http.GET();
  if (httpCode > 0) {
    if (httpCode == HTTP_CODE_OK) {
      Serial.println("ok");
    } else {
      Serial.printf("ERR", httpCode);
    }
  } else {
    Serial.printf("ERR1:", httpCode);
  }
  http.end();
}

void nextPrev(boolean next, boolean prev) {
  HTTPClient http;
  String Nlink = "http://192.168.0.158:13091/next";
  String Plink = "http://192.168.0.158:13091/prev";
  String link;

  if(next == true && prev == false){
    link = Nlink;
  } else if(next == false && prev == true){
    link = Plink;
  }

  http.begin(wifiClient,link);
  int httpCode = http.GET();
  if (httpCode > 0){
    if (httpCode == HTTP_CODE_OK){
      Serial.println("Next/Prev ok");
    }
  }
  http.end();

}

void getDataFromAPI() {
  HTTPClient http;
  http.begin(wifiClient,"http://192.168.0.158:13091/"); // Replace with your API endpoint URL
  int httpCode = http.GET();

  if (httpCode > 0) {
    if (httpCode == HTTP_CODE_OK) {
      String payload = http.getString();
      Serial.println("Received data:");
      Serial.println(payload);
      ESP.wdtFeed();

      // Parse JSON data
      const size_t capacity = JSON_OBJECT_SIZE(5) + 120;
      Serial.println(capacity);
      DynamicJsonDocument doc(capacity);
      deserializeJson(doc, payload);

        http.end();


      String title = doc["title"];
      String artist = doc["artist"];
      double length = doc["length"];
      double progress = doc["progress"];
      uint8_t accentr = doc["accentr"];
      uint8_t accentg = doc["accentg"];
      uint8_t accentb = doc["accentb"];



      doc.clear();
      Serial.println(titleCheck);
      Serial.println(title);
      if(titleCheck == title){
        displayData(artist, ".", progress, length, accentr, accentg, accentb);
      } else{
          titleCheck = title;
          Serial.println(title);
          Serial.println(titleCheck);
          displayData(artist, title, progress, length, accentr, accentg, accentb);
          


      }
    
    } else {
      Serial.println(httpCode);
      Serial.println("Error on HTTP request");
    }
  } else {
    Serial.print(httpCode);
    Serial.println("Connection failed");
  }


}

void displayRectColor(uint8_t r, uint8_t g, uint8_t b, int x, int y) {
  uint16_t color = tft.color565(r, g, b); 
  tft.fillRect(x, y, 4,4, color);
}

void getImage(){
  HTTPClient http;
            http.begin(wifiClient,"http://192.168.0.158:13091/image/1"); // Replace with your API endpoint URL
            int httpCode = http.GET();
            if (httpCode > 0){
              if(httpCode == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);
                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),20+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }


            http.begin(wifiClient,"http://192.168.0.158:13091/image/2"); // Replace with your API endpoint URL
            int httpCode2 = http.GET();
            if (httpCode2 > 0){
              if(httpCode2 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);

                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),40+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }


            http.begin(wifiClient,"http://192.168.0.158:13091/image/3"); // Replace with your API endpoint URL
            int httpCode3 = http.GET();
            if (httpCode3 > 0){
              if(httpCode3 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);

                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);

                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),60+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }



            http.begin(wifiClient,"http://192.168.0.158:13091/image/4"); // Replace with your API endpoint URL
            int httpCode4 = http.GET();
            if (httpCode4 > 0){
              if(httpCode4 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);

                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);

                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),80+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }

              ESP.wdtFeed();

                        getDataFromAPI();


            http.begin(wifiClient,"http://192.168.0.158:13091/image/5"); // Replace with your API endpoint URL
            int httpCode5 = http.GET();
            if (httpCode5 > 0){
              if(httpCode5 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);
                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),100+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }


            http.begin(wifiClient,"http://192.168.0.158:13091/image/6"); // Replace with your API endpoint URL
            int httpCode6 = http.GET();
            if (httpCode6 > 0){
              if(httpCode6== HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);
                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),120+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }
                


            http.begin(wifiClient,"http://192.168.0.158:13091/image/7"); // Replace with your API endpoint URL
            int httpCode7 = http.GET();
            if (httpCode7 > 0){
              if(httpCode7 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);
                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),140+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }


            http.begin(wifiClient,"http://192.168.0.158:13091/image/8"); // Replace with your API endpoint URL
            int httpCode8 = http.GET();
            if (httpCode8 > 0){
              if(httpCode8 == HTTP_CODE_OK){
                      String payload = http.getString();
                      Serial.println("Received data:");
                      Serial.println(payload);
                      DynamicJsonDocument doc(ESP.getMaxFreeBlockSize() - 512);
                      deserializeJson(doc, payload);

                      http.end();
                    for(int x = 0;x<5;x++){
                      for(int i = 0;i<40;i++){
                        displayRectColor(doc["pixelData"][x][i][0],doc["pixelData"][x][i][1],doc["pixelData"][x][i][2],40+(i*4),160+(x*4));
                      }
                    }
                    
                    doc.clear();
              }
            }

}



  
void drawCentreString(const String &buf, int x, int y, int txt_size)
{
    int16_t x1, y1;
    uint16_t w, h;
    tft.setTextSize(txt_size);
    tft.getTextBounds(buf, x, y, &x1, &y1, &w, &h); 
    Serial.println(w);
    if(w > 230){
      txt_size = txt_size - 0.1;
      Serial.println(txt_size);
      tft.setTextSize(txt_size);
      tft.getTextBounds(buf, x, y, &x1, &y1, &w, &h); 
    }
    ESP.wdtFeed();
    Serial.println(w);
    Serial.println("HERE");
    tft.setCursor(x - w / 2, y);
    tft.print(buf);
}


void displayData(String artist, String title, double progress, double length, uint8_t accentr, uint8_t accentg, uint8_t accentb) {


  tft.setTextColor(ILI9341_WHITE,ILI9341_BLACK);


  Serial.println(progress);
  Serial.println(length);
  double fill_px = (progress/length)*200;
  if(fill_px > 200){
    fill_px = 200;
  }
  Serial.println(fill_px);
  tft.fillRect(0,(320/2)+110,240,40,ILI9341_BLACK);
  uint16_t color = tft.color565(accentr, accentg, accentb); 
  Serial.println(accentr);
  Serial.println(accentg);
  Serial.println(accentb);
  Serial.println(color);
  tft.fillRoundRect(20,(320/2)+120,fill_px,20,50,color);
  tft.drawRoundRect(20, (320/2)+120, 200, 20, 50, ILI9341_WHITE);

  Serial.println(title);
  if(title != "."){
    Serial.println("TITLE CHECK HERE");
    tft.fillRect(0,0,240,260,ILI9341_BLACK);
    tft.setTextWrap(false);
 drawCentreString(title,120,(320/2)+50,3);
 drawCentreString(artist,120,(320/2)+80,2);
 getImage();
  }
}

CAD-Custom parts and enclosures

Enclosure

YTM Box2 v3.stl

May 22,2024

218 views

YTM Music Controller

Device to control YouTube music playing on PC

218

Published: May 22,2024

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File Last Updated: 2024/05/22 (GMT+8)

File update record

2024-05-2218:08:27

CAD or technical drawing file is updated.

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