Open source digital servo replacement module for the Sony Walkman WM-D6C. Replaces the CX20084 servo IC, CP304 boost converter, and CN301 power jack with a single STM32G0B1-based PCB. Dual variant: USB-C PD or polarity-agnostic barrel jack input. Bare-metal C firmware. CERN OHL-P v2 / MIT / CC BY 4.0.
servo stm32 open-hardware cassette kicad restoration walkman vintage-audio sony-wm-d6c cortez-m0 cx20084 cx20084-replacement
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Updated
Jun 8, 2026 - C