Download L-BOW: Gesture-Driven Digital Audio Effects for Augmented Violin in a Unified Csound Environment Live performance leaves little room for a sensor pipeline that misfires; when a gesture fails to map correctly to an intended effect, the error is immediately audible. This paper presents L-Bow, a wrist-worn six-degree-of-freedom (6-DoF) inertial measurement unit (IMU) controller for augmented violin performance. By removing intermediate software layers, L-Bow integrates gesture sensing, six performance modes, and a shared digital effects chain within a single, self-contained Csound file. This is achieved using Csound's native arduinoRead opcode for direct serial communication rather than an external Python–OSC bridge. The paper discusses the architecture of this system and its implications for designing dependable, low-maintenance interactive digital audio effects.