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/*
  ============================================
  PROJECT: Useless Frog Box (Full Movements)
  AUTHOR: MxEngineer
  WEBSITE: mxengineer.com
  TIKTOK: @mxengineercom
  ============================================
  
  PINS:
  - Button → Pin 2
  - Servo Signal → Pin 9
  - Servo VCC → 5V
  - Servo GND + Button GND → GND
  
  ============================================
  FULL MOVEMENTS (8 STEPS):
  ============================================
*/

#include <Servo.h>

Servo frogServo;
const int buttonPin = 2;
int lastButtonState = HIGH;
bool isPlaying = false;

void setup() {
  frogServo.attach(9);
  pinMode(buttonPin, INPUT_PULLUP);
  frogServo.write(0);
}

void loop() {
  int buttonState = digitalRead(buttonPin);
  
  if (buttonState == LOW && lastButtonState == HIGH && !isPlaying) {
    isPlaying = true;
    
    // ======== Step 1: Mouth opens slowly to 20° ========
    for (int ang = 0; ang <= 20; ang++) {
      frogServo.write(ang);
      delay(20);
    }
    delay(300);
    
    // ======== Step 2: Closes back to 0° ========
    for (int ang = 20; ang >= 0; ang--) {
      frogServo.write(ang);
      delay(20);
    }
    delay(300);
    
    // ======== Step 3: Mouth opens fully to 50° (tongue out) ========
    for (int ang = 0; ang <= 50; ang++) {
      frogServo.write(ang);
      delay(15);
    }
    delay(200);
    
    // ======== Step 4: Tongue shaking intense (10 times) ========
    for (int i = 0; i < 10; i++) {
      frogServo.write(25);
      delay(40);
      frogServo.write(45);
      delay(40);
    }
    delay(200);
    
    // ======== Step 5: Partial close to 20° ========
    for (int ang = 50; ang >= 20; ang--) {
      frogServo.write(ang);
      delay(12);
    }
    delay(200);
    
    // ======== Step 6: Open/Close twice (20° ↔ 50°) ========
    // First open
    for (int ang = 20; ang <= 50; ang++) {
      frogServo.write(ang);
      delay(10);
    }
    delay(100);
    // First close
    for (int ang = 50; ang >= 20; ang--) {
      frogServo.write(ang);
      delay(10);
    }
    delay(100);
    // Second open
    for (int ang = 20; ang <= 50; ang++) {
      frogServo.write(ang);
      delay(10);
    }
    delay(100);
    // Second close
    for (int ang = 50; ang >= 20; ang--) {
      frogServo.write(ang);
      delay(10);
    }
    delay(150);
    
    // ======== Step 7: More shaking (15 times, faster and wider) ========
    for (int i = 0; i < 15; i++) {
      frogServo.write(22);
      delay(30);
      frogServo.write(48);
      delay(30);
    }
    delay(100);
    
    // ======== Step 8: Fast emergency close to 0° ========
    for (int ang = 50; ang >= 0; ang--) {
      frogServo.write(ang);
      delay(5);
    }
    
    isPlaying = false;
  }
  
  lastButtonState = buttonState;
}

/*
  ============================================
  ANGLE SUMMARY:
  ============================================
  
  Step 1: 0°  → 20°  (slow)
  Step 2: 20° → 0°   (slow)
  Step 3: 0°  → 50°  (medium - tongue fully out)
  Step 4: 25° ↔ 45°  (shaking x10)
  Step 5: 50° → 20°  (partial close)
  Step 6: 20° ↔ 50°  (open/close x2)
  Step 7: 22° ↔ 48°  (shaking x15, faster)
  Step 8: 50° → 0°   (fast emergency close)
  
  Max angle: 50°
  Min angle: 0°
  
  ============================================
  FROG DESIGN NOTES:
  ============================================
  
  - Paint box GREEN
  - Cut mouth shape on the door
  - Glue RED PAPER TONGUE inside the mouth
  - Attach two big paper eyes on top
  - Tongue moves with the door (servo controls jaw)
  
  ============================================
  HASHTAGS:
  ============================================
  
  #frog #uselessbox #themostuselessmachine #arduino #diy 
  #jumpscare #scarybox #servo #mxengineer #shorts #fyp
  
  ============================================
  FOLLOW MxEngineer:
  ============================================
  
  🌐 Website: mxengineer.com
  📱 TikTok: @mxengineercom
  ▶️ YouTube: @MxEngineer
  
  ============================================
*/