雨中

Stradex1: Open Source Violin-Shaped MIDI Controller

 
Overview
This design is ingenious. The neck uses a SoftPot linear potentiometer, sampled by an ADS1115 analog-to-digital converter—a 16-bit precision component. While theoretically capable of distinguishing discrete frets, its 2^15 levels of precision are practically indistinguishable from a fretless design. This resolution is sufficient for smooth pitch control and vibrato. The four buttons corresponding to the violin's four strings are not only push-button switches but also incorporate velocity sensors (also sampled by a 16-bit ADC), allowing for precise volume control of each note.
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