It's also possible that your machine lets off some elecromagnetic noise you can detect directly.
The other thing you could try is put some sort of a microphone / vibration on it, then train a small NN on the waveform to distinguish between the washer and dryer.
https://electronics.stackexchange.com/questions/634852/exter...
It's also possible that your machine lets off some elecromagnetic noise you can detect directly.
The other thing you could try is put some sort of a microphone / vibration on it, then train a small NN on the waveform to distinguish between the washer and dryer.