宋元浩

[Test passed] Computer audio card

 
Overview
This project is a mono sound card based on pam8403. It takes power from the motherboard jumper and reserves a cable interface for built-in power and audio cables.
vcc and gnd draw power from the USB interface, the signal interface only takes mono, and the detection pin needs to be short-circuited, then the computer will output the audio signal.
参考设计图片
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