Home / iPhone / New iPhone/iPad Stylus Senses Pressure Via Audio Signals – Forbes

New iPhone/iPad Stylus Senses Pressure Via Audio Signals – Forbes


Forbes

New iPhone/iPad Stylus Senses Pressure Via Audio Signals
Forbes
… signals via the digital-to-analog converter, aka DAC. There’s a DAC in every smartphone or tablet that has a headphone jack. Leung’s creation takes sound data and uses it to detect pressure, hence the name of his stylus: SonarPen. But herein lies


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