GLASSDROP is a physical reaction timer game where timing, nerves, and reflexes decide the outcome.
Place a glass on the coaster, wait for the signal, lift it as fast as possible – and drop it back down to stop the timer.

Designed as a party game, drinking game, or reaction challenge, GLASSDROP uses real glass detection instead of buttons, making the interaction intuitive and physical.

🎮 How It Works

1. Place a glass (water, beer, cup, etc.) on the coaster
2. Start the game and wait for the countdown
3. When GO appears:
   • Lift the glass as fast as you can
   • The timer starts automatically
4. Put the glass back down to stop the timer
5. Your reaction time is shown on the display

Lift too early or remove the glass at the wrong moment – and you lose.

🧠 Game Modes

• H1 – Classic Mode
  Fixed countdown, reaction starts immediately after GO
• H2 – Random Mode
  After the countdown, a random delay is added before GO
  (Perfect for chaos and false starts)

Modes can be switched directly on the device.

✨ Features

• Real glass detection using a VCNL4040 proximity sensor
• Works with:
  • Water glasses
  • Beer glasses
  • Cups and mugs
• 4-digit TM1637 display (reaction time in hundredths)
• WS2812B LEDs with dynamic animations
• Dramatic heartbeat buzzer that speeds up while holding the glass
• Win and lose sound effects
• Sound can be toggled on/off after each round
• Single-button control
• Arduino Nano compatible

🔌 Hardware Used

• Arduino Nano
• VCNL4040 Proximity Sensor
• TM1637 4-Digit Display
• WS2812B RGB LEDs
• Passive Buzzer
• 1× Push Button

🧩 Wiring Diagram

🎥 Demo Video & Instruction

👉 Here

💾 Firmware & Code

The full source code, documentation, and future updates are available on GitHub:

👉 Here

The project is designed to be easily modifiable and hackable for custom rules, effects, or hardware changes.

⚠️ Disclaimer

This project is intended for entertainment purposes only.
If used as a drinking game, please drink responsibly.