Circuit Documentation

Summary

This circuit is designed to detect burnt toast using three TCS3200 color sensors. The Arduino UNO microcontroller processes the sensor data and controls a servo motor and a piezo speaker. When burnt toast is detected, the servo motor moves, and the piezo speaker emits a sound.

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. Servo (Wokwi Compatible)

   • Description: A servo motor compatible with Wokwi.
   • Pins: GND, V+, PWM

3. Piezo Speaker

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

4. TCS3200 Color Sensor (Sensor 1)

   • Description: A color sensor that can detect RGB values.
   • Pins: GND, OUT, S2, S3, VCC, LED, S0, S1

5. TCS3200 Color Sensor (Sensor 2)

   • Description: A color sensor that can detect RGB values.
   • Pins: GND, OUT, S2, S3, VCC, LED, S0, S1

6. TCS3200 Color Sensor (Sensor 3)

   • Description: A color sensor that can detect RGB values.
   • Pins: GND, OUT, S2, S3, VCC, LED, S0, S1

Wiring Details

Arduino UNO

• 5V: Connected to VCC of all TCS3200 sensors and V+ of the Servo.
• GND: Connected to GND of all TCS3200 sensors, GND of the Servo, and pin1 of the Piezo Speaker.
• D12: Connected to OUT of TCS3200 (Sensor 3).
• D11: Connected to S3 of TCS3200 (Sensor 3).
• D10: Connected to S2 of TCS3200 (Sensor 3).
• D9: Connected to PWM of the Servo.
• D8: Connected to pin2 of the Piezo Speaker.
• D7: Connected to OUT of TCS3200 (Sensor 2).
• D6: Connected to S3 of TCS3200 (Sensor 2).
• D5: Connected to S2 of TCS3200 (Sensor 2).
• D4: Connected to OUT of TCS3200 (Sensor 1).
• D3: Connected to S3 of TCS3200 (Sensor 1).
• D2: Connected to S2 of TCS3200 (Sensor 1).

Servo (Wokwi Compatible)

• V+: Connected to 5V of Arduino UNO.
• GND: Connected to GND of Arduino UNO.
• PWM: Connected to D9 of Arduino UNO.

Piezo Speaker

• pin1: Connected to GND of Arduino UNO.
• pin2: Connected to D8 of Arduino UNO.

TCS3200 Color Sensor (Sensor 1)

• VCC: Connected to 5V of Arduino UNO.
• GND: Connected to GND of Arduino UNO.
• OUT: Connected to D4 of Arduino UNO.
• S2: Connected to D2 of Arduino UNO.
• S3: Connected to D3 of Arduino UNO.

TCS3200 Color Sensor (Sensor 2)

• VCC: Connected to 5V of Arduino UNO.
• GND: Connected to GND of Arduino UNO.
• OUT: Connected to D7 of Arduino UNO.
• S2: Connected to D5 of Arduino UNO.
• S3: Connected to D6 of Arduino UNO.

TCS3200 Color Sensor (Sensor 3)

• VCC: Connected to 5V of Arduino UNO.
• GND: Connected to GND of Arduino UNO.
• OUT: Connected to D12 of Arduino UNO.
• S2: Connected to D10 of Arduino UNO.
• S3: Connected to D11 of Arduino UNO.

Documented Code

#include <Servo.h>

// Konfigurasi Servo
Servo myServo;
int servoPin = 9; // Pin Servo

// Konfigurasi Buzzer
int buzzerPin = 8; // Pin Buzzer

// Variabel Sensor Warna (Sensor 1, Sensor 2, Sensor 3)
int S2_1 = 2, S3_1 = 3, sensorOut_1 = 4; // Sensor 1
int S2_2 = 5, S3_2 = 6, sensorOut_2 = 7; // Sensor 2
int S2_3 = 10, S3_3 = 11, sensorOut_3 = 12; // Sensor 3

int red1, green1, blue1;
int red2, green2, blue2;
int red3, green3, blue3;

// Threshold untuk mendeteksi roti gosong
const int threshold = 50; // Sesuaikan berdasarkan eksperimen

void setup() {
  // Inisialisasi pin untuk setiap sensor
  pinMode(S2_1, OUTPUT);
  pinMode(S3_1, OUTPUT);
  pinMode(sensorOut_1, INPUT);

  pinMode(S2_2, OUTPUT);
  pinMode(S3_2, OUTPUT);
  pinMode(sensorOut_2, INPUT);

  pinMode(S2_3, OUTPUT);
  pinMode(S3_3, OUTPUT);
  pinMode(sensorOut_3, INPUT);

  // Inisialisasi Servo
  myServo.attach(servoPin);
  myServo.write(0); // Posisi awal servo

  // Inisialisasi Buzzer
  pinMode(buzzerPin, OUTPUT);

  // Serial Monitor untuk debugging
  Serial.begin(9600);
}

void loop() {
  // Membaca nilai RGB dari setiap sensor
  readSensor(S2_1, S3_1, sensorOut_1, red1, green1, blue1);
  readSensor(S2_2, S3_2, sensorOut_2, red2, green2, blue2);
  readSensor(S2_3, S3_3, sensorOut_3, red3, green3, blue3);

  // Cetak nilai RGB dari ketiga sensor ke Serial Monitor
  Serial.print("Sensor 1 - Red: "); Serial.print(red1);
  Serial.print(" Green: "); Serial.print(green1);
  Serial.print(" Blue: "); Serial.println(blue1);

  Serial.print("Sensor 2 - Red: "); Serial.print(red2);
  Serial.print(" Green: "); Serial.print(green2);
  Serial.print(" Blue: "); Serial.println(blue2);

  Serial.print("Sensor 3 - Red: "); Serial.print(red3);
  Serial.print(" Green: "); Serial.print(green3);
  Serial.print(" Blue: "); Serial.println(blue3);

  // Deteksi roti gosong (jika salah satu sensor mendeteksi warna gelap)
  if (isBurnt(red1, green1, blue1) || isBurnt(red2, green2, blue2) || isBurnt(red3, green3, blue3)) {
    Serial.println("Roti Gosong Terdeteksi!");

    // Gerakkan Servo ke 90 derajat
    myServo.write(90);

    // Nyalakan Buzzer
    digitalWrite(buzzerPin, HIGH);
    delay(1000); // Buzzer menyala 1 detik

    // Kembalikan Servo ke 0 derajat
    myServo.write(0);
    delay(1000);

    // Matikan Buzzer
    digitalWrite(buzzerPin, LOW);
  }

  // Delay untuk pembacaan berikutnya
  delay(500);
}

// Fungsi untuk membaca nilai RGB dari sensor warna
void readSensor(int S2, int S3, int sensorOut, int &red, int &green, int &blue) {
  digitalWrite(S2, LOW);
  digitalWrite(S3, LOW);
  red = pulseIn(sensorOut, LOW);

  digitalWrite(S2, HIGH);
  digitalWrite(S3, HIGH);
  green = pulseIn(sensorOut, LOW);

  digitalWrite(S2, LOW);
  digitalWrite(S3, HIGH);
  blue = pulseIn(sensorOut, LOW);
}

// Fungsi untuk mengecek apakah warna menunjukkan roti gosong
bool isBurnt(int red, int green, int blue) {
  return (red < threshold && green < threshold && blue < threshold);
}

This code initializes the servo motor, piezo speaker, and three TCS3200 color sensors. It