Simple MicroPython laundry timer on the M5Stack
On M5Stack, get the 'm5cloud-20180516-v0.4.0.bin' firmware from M5Cloud and follow flashing guide.
WAV file format:
- Codec: PCM S16 LE (s16l)
- Smaple rate: 48000 Hz
- Bits per sample: 16
Record WAV file with arecord
:
arecord -f dat filename.wav