Abstract

The addition of haptic feedback in digital musical instruments (DMIs) can improve performance control and expressivity. The TorqueTuner is a family of embedded rotary force-feedback modules that enable DMI designers to map haptic effects to musical parameters, facilitating straightforward haptic integration. In this demonstration, we present 3 TorqueTuner iterations based on different motors and drivers: 1) the newly redesigned Mechaduino (forked from an obsolete open-source servo platform by Tropical Labs), 2) the Mjbots Moteus (a high-power industrial motor), and the Makerfabs MaTouch SmartKnob (a self-contained device with a display). Attendees will interact with and compare each iteration, experiencing rotary haptic effects applied to a live musical context. Ultimately, we aim for this demonstration to lead to greater and easier integration of haptics into DMIs

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