I was looking at the Pico first when writing that, but you would need a SD card header. Small issue - I use one for my Dreamcast controller Maple>USB bus.
You already need to add a decent quality DAC/Amp, might as well add a SD card slot at the same time.
On top of the lower power consumption, another advantage of the pico is that you can actually buy the raw RP2040 or RP2350 chips (for roughly $1) and make your own custom PCB.
I was looking at the Pico first when writing that, but you would need a SD card header. Small issue - I use one for my Dreamcast controller Maple>USB bus.
You already need to add a decent quality DAC/Amp, might as well add a SD card slot at the same time.
On top of the lower power consumption, another advantage of the pico is that you can actually buy the raw RP2040 or RP2350 chips (for roughly $1) and make your own custom PCB.
I was investigating this further and found Tangara (https://cooltech.zone/tangara/)
You may need to build it yourself, but it looks like everything a HN-using MP3-buyer would want.
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