The Gas Cap senses your flatulence and displays it on your forehead

If you’ve ever found yourself wondering if there’s any possible way to let those with deficient olfactory senses know just how flatulent you are, wonder no more. The Gas Cap is here to fulfill that very need. A bar graph of sorts, located on the front of a hat that will light up to reflect the amount of methane sensed near your, uh, exhaust port. This project cost around $100, though a good portion of that went to the Xbee modules so that the detector could be separated from the hat, allowing for remote fart notifications.

This seems to be a project that is not as uncommon as one might assume. We’ve seen fart intensity detectors as well as tweeting chairs that alert the world when you pass gas.

[via Adafruit]


  1. bio says:

    so THIS is what NASA has been up to

  2. Aaron says:

    Well, thank God for that.

  3. Ivan says:

    So there you have it. The new revolutionary iFart.

    • andar_b says:

      I sincerely thing Gas Cap is a much more entertaining title.

      That said, I know one person who does NOT need one. I’m sometimes a bit embarrassed by the fact that my wife can out fart almost anyone, and she does on a regular basis. No SBDs here.

  4. KG4MXV says:

    #1 only 10% of the population has the ability to produce methane.
    #2 unless you put the sensor really close to the source, you will only get ambient readings.

    As far as my wife is concerned I would have burned up the sensor on that thing.

  5. Peter says:

    A guy designed this, right?

    //pink cap for girls

  6. Chuckt says:

    I think you might be able to sell this cap in Spencer’s for people who want to be self humiliating but the rest of the population wouldn’t buy it. The gas company has more sophisticated sensors for leaking gas.

  7. Jimmy says:

    If you have your head up your ass, you can save money by not having to buy the wireless xbees for a cheaper build.

  8. Hirudinea says:

    So I guess when you see all the lights light up on somebodies asshat you just run like hell.

  9. Chuckt says:

    It is a gas.

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