Circuit Documentation

Summary

This circuit is designed to interface an Arduino Uno R3 with various components including a DFPlayer Mini, a PAM8403 amplifier, a TCS3472 color sensor, multiple pushbuttons, a toggle switch, a TRRS 3.5mm jack breakout, a loudspeaker, and a Type-C power bank module. The Arduino Uno R3 serves as the central microcontroller, controlling the DFPlayer Mini for audio playback, reading inputs from pushbuttons and a toggle switch, and interfacing with the TCS3472 color sensor for color detection.

Component List

Arduino Uno R3

• Description: Microcontroller board based on the ATmega328P.
• Pins: USB Port, Power Jack, Not Connected, IOREF, RESET, 3.3V, 5V, GND, VIN, A0, A1, A2, A3, A4/SDA, A5/SCL, SCL, SDA, AREF, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

DFPlayer Mini

• Description: A small MP3 player module that can be controlled via serial communication.
• Pins: VCC, BUSY, RX, USB -, TX, USB +, DAC_R, K2/ADC_KEY, DAC_L, K1/ADC_KEY, SPK1, IO 2, GND, SPK2, IO 1

Toggle Switch

• Description: A switch that can toggle between two states.
• Pins: L1, COM, L2

TCS3472 Color Light-to-Digital Converter with IR Filter

• Description: A color sensor that converts light to digital values.
• Pins: LED, INT, SDA, SCL, 3V3, GND, VIN

Pushbutton

• Description: A simple pushbutton switch.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

PAM8403

• Description: A small digital amplifier module.
• Pins: 5vIN+, GND/IN-, R-INPUT, GND, L-INPUT, L-, L+, R+, R-

TRRS 3.5mm Jack Breakout

• Description: A breakout board for a 3.5mm TRRS jack.
• Pins: Sleeve, Ring2, Ring1, Tip

Loudspeaker

• Description: A speaker for audio output.
• Pins: pin1, pin2

7.4v Battery

• Description: A 7.4V battery for power supply.
• Pins: +, -

Type-C Power Bank Module

• Description: A power bank module with Type-C interface.
• Pins: Gnd, +Ve (Bat), +5v

Wiring Details

Arduino Uno R3

• 5V: Connected to VCC of DFPlayer Mini, 5vIN+ of PAM8403, LED and VIN of TCS3472 Color Sensor.
• GND: Connected to GND of DFPlayer Mini, GND/IN- and GND of PAM8403, GND of TCS3472 Color Sensor, and Sleeve of TRRS 3.5mm Jack Breakout.
• VIN: Connected to +5v of Type-C Power Bank Module.
• A0: Connected to L1 of Toggle Switch.
• A1: Connected to L2 of Toggle Switch.
• A4/SDA: Connected to SDA of TCS3472 Color Sensor.
• A5/SCL: Connected to SCL of TCS3472 Color Sensor.
• Digital Pin 2: Connected to RX of DFPlayer Mini.
• Digital Pin 3: Connected to TX of DFPlayer Mini.
• Digital Pin 4: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 5: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 6: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 7: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 8: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 9: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 10: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 11: Connected to Pin 2 (in) of Pushbutton.
• Digital Pin 12: Connected to Pin 2 (in) of Pushbutton.

DFPlayer Mini

• VCC: Connected to 5V of Arduino Uno R3.
• GND: Connected to GND of Arduino Uno R3.
• RX: Connected to Digital Pin 2 of Arduino Uno R3.
• TX: Connected to Digital Pin 3 of Arduino Uno R3.
• DAC_R: Connected to R-INPUT of PAM8403 and Ring1 of TRRS 3.5mm Jack Breakout.
• DAC_L: Connected to L-INPUT of PAM8403 and Tip of TRRS 3.5mm Jack Breakout.

Toggle Switch

• L1: Connected to A0 of Arduino Uno R3.
• COM: Connected to GND of Arduino Uno R3.
• L2: Connected to A1 of Arduino Uno R3.

TCS3472 Color Light-to-Digital Converter with IR Filter

• LED: Connected to 5V of Arduino Uno R3.
• GND: Connected to GND of Arduino Uno R3.
• VIN: Connected to 5V of Arduino Uno R3.
• SDA: Connected to A4/SDA of Arduino Uno R3.
• SCL: Connected to A5/SCL of Arduino Uno R3.

Pushbutton

• Pin 2 (in): Connected to Digital Pins 4, 5, 6, 7, 8, 9, 10, 11, 12 of Arduino Uno R3.
• Pin 4 (out): Connected to GND of Arduino Uno R3.

PAM8403

• 5vIN+: Connected to 5V of Arduino Uno R3.
• GND/IN-: Connected to GND of Arduino Uno R3.
• R-INPUT: Connected to DAC_R of DFPlayer Mini.
• L-INPUT: Connected to DAC_L of DFPlayer Mini.
• L-: Connected to pin2 of Loudspeaker.
• L+: Connected to pin1 of Loudspeaker.

TRRS 3.5mm Jack Breakout

• Sleeve: Connected to GND of Arduino Uno R3.
• Ring1: Connected to DAC_R of DFPlayer Mini.
• Tip: Connected to DAC_L of DFPlayer Mini.

Loudspeaker

• pin1: Connected to L+ of PAM8403.
• pin2: Connected to L- of PAM8403.

7.4v Battery

• +: Connected to +Ve (Bat) of Type-C Power Bank Module.
• -: Connected to Gnd of Type-C Power Bank Module.

Type-C Power Bank Module

• Gnd: Connected to GND of Arduino Uno R3.
• +5v: Connected to VIN of Arduino Uno R3.
• +Ve (Bat): Connected to + of 7.4v Battery.

Documented Code

#include <EEPROM.h>
#include <Adafruit_TCS34725.h>
#include <Wire.h>
#include <DFPlayer_Mini_Mp3.h>
#include "SoftwareSerial.h"
//#include "DFRobotDFPlayerMini.h"
static const uint8_t PIN_MP3_TX = 3; // Connects to module's RX
static const uint8_t PIN_MP3_RX = 2; // Connects to module's TX
SoftwareSerial softwareSerial(PIN_MP3_RX, PIN_MP3_TX);
// Create the Player object
//DFRobotDFPlayerMini player;

int tb1=4;
int tb2=5;
int tb3=6;
int tb4=9;
int tb5=8;
int tb6=7;
int tb7=10;
int tb8=11;
int tb9=12;

int bc1;
int bc2;
int bc3;
int bc4;
int bc5;
int bc6;
int bc7;
int bc8;
int bc9;

Adafruit_TCS34725 tcs = Adafruit_TCS34725(TCS34725_INTEGRATIONTIME_50MS, TCS34725_GAIN_4X);

byte R=0;
byte G=0;
byte B=0;
byte Ra;
byte Rb;
byte Ga;
byte Gb;
byte Ba;
byte Bb;

int nilai;
char kal;

void setup() {
  pinMode(tb1,INPUT_PULLUP);
  pinMode(tb2,INPUT_PULLUP);
  pinMode(tb3,INPUT_PULLUP);
  pinMode(tb4,INPUT_PULLUP);
  pinMode(tb5,INPUT_PULLUP);
  pinMode(tb6,INPUT_PULLUP);
  pinMode(tb7,INPUT_PULLUP);
  pinMode(tb8,INPUT_PULLUP);
  pin