i was given a project name microcontroller based electronic stethoscope which required me to design a device connected to stethoscope then digitize the analog signal (heart sounds) from stethoscope to digital signal and save it as an audio file. The file can be played back later in speaker or computer. i doing some researh saying that in order to store the audio file, it need to use the dsPIC30F.. there have a lot of dsPIC30F, which one to choose? with my limited knowledge and skills on Microcontroller, i just worry that i cant handle this project...
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