Development of Clock Chip IC Solutions for Digital Perpetual Calendar Circuit Boards and PCBA Control Boards
Clock chip IC, scheme development, digital perpetual calendar, circuit board, PCBA control board, memory








Development of Flash IC Bicycle Chip for Helmet Light Microcontroller ProgramRecording IC, playback chip, variable speed chip, playback chip for voice modulation and reportingJiuqi OTPNY3P005J voice IC, recording IC, toy sound chip, animal sound IC, microcontroller flash light IC