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You could just use a microphone and record it’s sound. You will see different frequency modes depending on the RPM.
by heavenlyblue 6y ago
You could just use a microphone and record it’s sound. You will see different frequency modes depending on the RPM.
- hosteur 6y ago> You could just use a microphone and record it’s sound. You will see different frequency modes depending on the RPM. Yes, I believe this is what Phyphox does for you. Most people have a microphone in their smartphone. But of course you could use a dedicated microphone and do a frequency analysis yourself instead.