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6-player-buzzer-game-bde804-en.md

My friends and me love to play quiz games. The problem was that we never knew who answered first. The game box uses LEDs and six different sound effects to identify who pushed their buzzer first. Also, there is a potentiometer that allows to adjust the time that players are able to answer their question.

Quiz Master: 6-Player Game Show Buzzer

Hosting a trivia night? The 6-Player Buzzer Game ensures absolute fairness. It determines who pushed their button first down to the microsecond, preventing any arguments over "ties".

The First-Press Lockout

The code relies on a very fast, continuous scanning loop:

  1. The Scan: The Arduino rapidly checks digital pins 2 through 7.
  2. The Lockout: The instant someone pushes their buzzer (e.g., Player 3), the Arduino stops scanning. It enters a "Lockout State," turning on Player 3's light and refusing to read any other buttons.
  3. The Reset: The host has a special "Reset" button (the 'Clear' state) that resets the system for the next question.

This project is a masterclass in preventing "race conditions" in your code and understanding how to read large numbers of inputs concurrently.

Hardware Needed

  • Arduino Uno/Nano: The judge.
  • Big Arcade Push Buttons (x6): For players to smash.
  • LEDs (x6): Placed near each player to indicate who buzzed in.
  • Piezo Buzzer: For the classic game show "Ding!".
  • Reset Button: For the host.

ข้อมูล Frontmatter ดั้งเดิม 

apps:
  - "1x Arduino IDE"
author: "renzosmania"
category: "Gadgets, Games & Toys"
components:
  - "1x Pushbutton Switch, Momentary"
  - "1x USB-A to Mini-USB Cable"
  - "1x Soldering iron (generic)"
  - "1x LED (generic)"
  - "1x DC Power Connector, Socket"
  - "1x Resistors"
  - "1x Arduino Nano R3"
  - "1x dc Cable"
  - "1x wooden box"
  - "1x Drill, Screwdriver"
  - "1x Rotary potentiometer (generic)"
  - "1x Solder Wire, Lead Free"
description: "Never have trouble again deciding who is allowed to answer a quiz question. 6 different LED's show who pressed his buzzer first."
difficulty: "Intermediate"
documentationLinks: []
downloadableFiles:
  - "https://projects.arduinocontent.cc/af8878f4-9b6c-44f0-b2ab-8a59c67d1fd1.ino"
  - "https://projects.arduinocontent.cc/af8878f4-9b6c-44f0-b2ab-8a59c67d1fd1.ino"
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heroImage: "https://cdn.jsdelivr.net/gh/bigboxthailand/arduino-assets@main/images/projects/6-player-buzzer-game-bde804_cover.jpg"
lang: "en"
likes: 1
passwordHash: "ea25843d0b0d07860504fb3681aacc2a31b70fb652f1fe91fc8e90fe1bdce196"
price: 1120
seoDescription: "Build a 6 Player Buzzer-Game with Arduino. Features 6 LEDs to identify the first person to press the Buzzer during a quiz."
tags:
  - "game"
  - "easy"
  - "buzzer"
  - "play"
  - "six"
title: "6 Player Buzzer-Game"
tools: []
videoLinks:
  - "https://www.youtube.com/embed/US4uxCl5pIo"
views: 18054