The classic noise maker turns into a breathalizer of sorts, only working if it detects alcohol.

When the ball drops at midnight on New Years Eve, many party goers ring it in with a kiss, throwing confetti, or blowing on a party horn. But this creative spin on the classic party horn by Tyler DeAngelo & Sacha De’Angeli of Havas Worldwide Chicago will only work if you’ve had a few drinks. The ‘Buzzed Buzzer‘ is a hacked noise maker that replaces the regular horn with an Arduino, alcohol sensor, and buzzer that activates with the presence of alcohol. When a person blows into the horn, the code looks for the presence of alcohol on the user’s breath; if the sensor sees a spike, the horn will make a noise. If the user hasn’t had enough to drink, the buzzer won’t make a sound.

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