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BiTipText enables text entry across two index finger-worn keyboards

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BiTipText enables text entry across two index finger-worn keyboards

Arduino TeamMay 5th, 2020

Typing with your thumbs on a smartphone has become an everyday activity for many, but what if you could enter text by simply tapping on your index fingers? With BiTipText, that may soon be a reality. 

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The researchers’ prototype consists of an interactive skin overlay made out of flexible PCB material, allowing an Arduino Uno and MPR121 sensor chip to read capacitive signals from both digits. 

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In testing, users were able to enter text at over 23 WPM, with a 0.03% uncorrected error rate. Notably, the two-handed implementation means that software can determine not only the position of presses, but the sequence of left/right inputs to help with word interpretation.

More details on the bimanual text input method can be found in the team’s paper here.

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Written by Quad Oner

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