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    Originally published at: https://makersmakingchange.com/project/sip-and-puff-switch/

    A sip-and-puff switch is an assistive technology that enables a user to control a device by using their mouth to “sip”(inhale) or “puff”(exhale) on a straw, tube or ‘wand’. It is primarily used by people with limited or no limb movement. The Sip and Puff Switch can be connected directly to an assistive device with a 3.5 mm jack or to a computer or smartphone using a suitable switch interface.

     

    Features

    • Battery powered (2x CR2032 Lithium Coin Cells)
    • Independently adjustable puff sensitivity and sip sensitivity
    • Visual feedback when switch is activated
    • Two separate outputs mean that two devices can be controlled.

     

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