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Karaoke Saver: the DIY Breathalyzer Microphone

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You know how karaoke is really fun until someone drinks a little too much and starts majorly hogging the mic for their less-than-moving versions of American Pie and N*Sync B-sides? Now you can shut them down with cold, hard facts about their blood alcohol content, by employing this sneaky breathalyzer microphone.

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This nifty project was created by Randy at F.A.T. He says, “The breathalyzer microphone is a system for the inconspicuous collection of blood-alcohol content level data sets. In other words, you can measure a person’s sobriety with a device, that for all intents and purposes, looks no different than a standard microphone.”

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He kindly put the how-to up on Instructables, in case you’re inspired to make one of these for use on your drinking buddies. In essence, you rip a cheap karaoke mic apart, add some wires to the XLR and the switch, make a tricky bracket, attach it to an alcohol sensor you previously ordered from Thailand, and voila. To make it portable, you can use a tape deck or something else to hide a datalogger and arduino.

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Then you just have someone talk or sing into the microphone, and use a computer to get the SD card readings to get the info. Now you know fo’ sho’, that mofo is DRUNK. And you have computer data to prove it to him.

[via Make:]





Comments (2):

  1. Ps3 Gamer says:

    Cool, does it show how drunk yuou are? Or if you are over the legal limit?

  2. PS3 says:

    Lol, yeah, I want to see an excel file with a chart showing how drunk I get over an evening.

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