And I put up a bottom part on Thingiverse:
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Is it possible to make the M5 work as a MP3 player?
I mean read from a MP3 file on SD card and output via the speaker?
My son have a project via school and he wants to build a robot that asks 'how was your day'.
I thought about putting it as a mp3 (or any audio file) and play back when some one moves close enough (using Ultra sound distance meter) adding some servos to move the head and eyebrows. adding some neopixels as eyes as well