Raijin Drums autonomous touring controller integrating piezo trigger inputs, ESP32-S3 processing, WS281x LED outputs, MIDI DIN/USB, and DMX512 in a 19-inch 1U rackmount chassis. Design intent includes Neutrik panel connectors, internal IEC-powered 12V supply architecture, crimped harness wiring, vibration-aware mechanical support, and review traceability for schematic and PCB cleanup.