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Arduino-Based MIDI-Controlled Solenoid Actuator with LED Display

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Circuit Documentation

Summary

This circuit is designed to control multiple LEDs and solenoids using an Arduino UNO and an Arduino Nano. The circuit also includes an IR receiver for remote control, an SD card module for storing MIDI files, and an I2C LCD for displaying song information. The Arduino UNO handles the MIDI file playback and relay control, while the Arduino Nano manages the LED display and LCD screen.

Component List

  1. Arduino UNO

    • Description: A microcontroller board based on the ATmega328P.
    • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

  2. Arduino Nano

    • Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
    • Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

  3. 2.1mm Barrel Jack with Terminal Block

    • Description: A power connector for supplying voltage to the circuit.
    • Pins: POS, NEG

  4. MB102 Breadboard Power Supply Module 3.3V/5V

    • Description: A power supply module that provides 3.3V and 5V outputs.
    • Pins: VCC, GND, 3.3V, 5V

  5. 16x2 I2C LCD

    • Description: A 16x2 character LCD with I2C interface.
    • Pins: GND, VCC, SDA, SCL

  6. IR Receiver

    • Description: An infrared receiver for remote control.
    • Pins: DATA, VCC, GND

  7. 5V 8 Channel Relay Module

    • Description: A relay module for controlling high-power devices.
    • Pins: NC, COM, NO, GND, VCC, JD-VCC, IN8, IN7, IN6, IN5, IN4, IN3, IN2, IN1

  8. SD Module

    • Description: An SD card module for storing and reading files.
    • Pins: CS, SCK, MOSI, MISO, VCC, GND

  9. LED: Two Pin (red)

    • Description: A red LED with two pins.
    • Pins: cathode, anode

  10. LED: Two Pin (green)

    • Description: A green LED with two pins.
    • Pins: cathode, anode

  11. Resistor

    • Description: A resistor with a resistance of 220 Ohms.
    • Pins: pin1, pin2

  12. Solenoid

    • Description: An electromechanical solenoid.
    • Pins: pin1, pin2

  13. 4xAA Battery Holder

    • Description: A battery holder for four AA batteries.
    • Pins: POS, NEG

  14. Terminal Block 3A 12 Position Dual Row

    • Description: A terminal block for connecting multiple wires.
    • Pins: None

Wiring Details

Arduino UNO

  • 3.3V to IR Receiver VCC
  • 5V to SD Module VCC
  • GND to IR Receiver GND
  • GND to Arduino Nano GND
  • Vin to 5V 8 Channel Relay Module VCC
  • A0 to IR Receiver DATA
  • A4 to 5V 8 Channel Relay Module IN7
  • A5 to 5V 8 Channel Relay Module IN8
  • GND to SD Module GND
  • D13 to SD Module SCK
  • D12 to SD Module MISO
  • D11 to SD Module MOSI
  • D10 to SD Module CS
  • D9 to 5V 8 Channel Relay Module IN1
  • D8 to 5V 8 Channel Relay Module IN2
  • D7 to 5V 8 Channel Relay Module IN3
  • D6 to 5V 8 Channel Relay Module IN4
  • D5 to 5V 8 Channel Relay Module IN5
  • D4 to 5V 8 Channel Relay Module IN6

Arduino Nano

  • GND to Common Ground
  • VIN to 16x2 I2C LCD VCC
  • A4 to 16x2 I2C LCD SDA
  • A5 to 16x2 I2C LCD SCL
  • D2 to Green LED anode
  • D3 to Red LED anode
  • D4 to Green LED anode
  • D5 to Red LED anode
  • D6 to Green LED anode
  • D7 to Red LED anode
  • D8 to Green LED anode
  • D9 to Red LED anode

2.1mm Barrel Jack with Terminal Block

  • POS to 5V 8 Channel Relay Module NO
  • NEG to Common Ground

MB102 Breadboard Power Supply Module 3.3V/5V

  • VCC to Common VCC
  • GND to Common Ground
  • 3.3V to Common 3.3V
  • 5V to Common 5V

16x2 I2C LCD

  • GND to Common Ground
  • VCC to Arduino Nano VIN
  • SDA to Arduino Nano A4
  • SCL to Arduino Nano A5

IR Receiver

  • DATA to Arduino UNO A0
  • VCC to Arduino UNO 3.3V
  • GND to Arduino UNO GND

5V 8 Channel Relay Module

  • NC to Not Connected
  • COM to Solenoid pin2
  • NO to 2.1mm Barrel Jack POS
  • GND to Common Ground
  • VCC to Arduino UNO Vin
  • JD-VCC to 4xAA Battery Holder POS
  • IN1 to Arduino UNO D9
  • IN2 to Arduino UNO D8
  • IN3 to Arduino UNO D7
  • IN4 to Arduino UNO D6
  • IN5 to Arduino UNO D5
  • IN6 to Arduino UNO D4
  • IN7 to Arduino UNO A4
  • IN8 to Arduino UNO A5

SD Module

  • CS to Arduino UNO D10
  • SCK to Arduino UNO D13
  • MOSI to Arduino UNO D11
  • MISO to Arduino UNO D12
  • VCC to Arduino UNO 5V
  • GND to Arduino UNO GND

LED: Two Pin (red)

  • cathode to Resistor pin2
  • anode to Arduino Nano D3

LED: Two Pin (green)

  • cathode to Resistor pin2
  • anode to Arduino Nano D2

Resistor

  • pin1 to Common Ground
  • pin2 to LED cathode

Solenoid

  • pin1 to Terminal Block 3A 12 Position Dual Row
  • pin2 to 5V 8 Channel Relay Module COM

4xAA Battery Holder

  • POS to 5V 8 Channel Relay Module JD-VCC
  • NEG to Common Ground

Terminal Block 3A 12 Position Dual Row

  • Connected to Solenoid pin1

Documented Code

Arduino UNO Code

#include <SoftwareSerial.h>
#include "SdFat.h"
#include <MD_MIDIFile.h>
#include <IRremote.h>

// Define TX pin for TXOnlySerial
SoftwareSerial mySerial(2, 3); // RX, TX

#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))

const uint8_t NOTE_SIZE = 1; // Number of items in each note listing

// Define a structure to contain all the related data for executing a note
typedef struct
{
  const int pin;              // Motor output relay pin
  const int note[NOTE_SIZE];