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README.md Initial commit: component/i2s-carrier 6d ago

I2S_Carrier

I2S_Carrier_v1.0: Carrier for I2S MEMs Microphones, standardized to fit all MEMs varients. Jumper selects Left or Right.

Converted via the OCCT molecule pipeline (step2glb job 516baa40233aada7, 2026-07-14): anchored on MP3, 4 machine pins + 6 medium contacts, contact_z 2.8 mm, zero warnings.

Bundle

GLB (OCCT, draco) · STEP (design-machine export) · kicad_pcb / kicad_sch / kicad_pro · footprint/symbol JSON (per-pad wire-attach) · JLCPCB gerbers + BOM + CPL.

Import

adom-molecule create with --no-optimize reusing this GLB — do not regenerate from EDA export.

Pin Map

Mic daughter site: Daughter_MIC_IM72D128 pattern (standardized MEMS footprint). MIC_SEL picks the I2S channel — tie/jumper to GND or +3v3 for Left/Right per the fitted mic's datasheet.

J1 — POWER / SELECT (fingers, 3×1.6 mm)

Pin Net
1 +3v3
2 MIC_SEL
3 GND

J2 — I2S (fingers, 3×1.6 mm)

Pin Net
1 SD
2 WS
3 SCK

Machine contacts

MC Net
MC1 +3v3
MC2 GND
MC3 SD
MC4 SCK
MC20 MIC_SEL
MC21 WS