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mmp_pop_noise's Introduction

미유 미니 플러스 팝 노이즈 제거 회로

노이즈 발생 및 해결 상황

  • 전원 ON시 (완료)
  • 전원 버튼으로 전원 OFF시 (완료)
  • 슬립모드에서 전원 OFF시 (완료)
  • NDS 게임 기동 및 종료시 (해결 불가능)

하드웨어 개발환경

  • CH32V003J4M6 (SOP8) CPU 사용
  • PlatformIO + Arduino 컴파일러
  • WCH-Link-E 다운로더

CH32V003J4M6 핀 연결

CH32V003 Datasheet

  • 2 : GND
  • 4 : VCC (3V)
  • 5 : PWM Signal Input
  • 6 : Speaker Mute (이어폰 연결 확인) Output - 10kohm 저항 직렬연결
  • 7 : Power Switch Input - 1N4148 다이오드 연결 (전원 OFF시 전원 공급 방지용)

MMP noise

mmp_pop_noise's People

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