Timeline for Why does a 50 Hz, 200 mV sine wave appear sometimes on my portable oscilloscope without a probe connected to anything?
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
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| Dec 29, 2022 at 21:33 | comment | added | chicks | And grid hum is like a fingerprint in time. youtu.be/e0elNU0iOMY | |
| Dec 26, 2022 at 17:07 | history | answered | fraxinus | CC BY-SA 4.0 |