Timeline for Arduino-based mains frequency monitor
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 22, 2017 at 12:40 | comment | added | GuitarPicker | It wouldn't hurt to do both the transformer and the opto. I've seen wall transformers fail with higher voltages than their usual output. I'm thinking back to a cheap powered USB hub I encountered that kept zapping flash drives (back when they were new and expensive). | |
| May 17, 2017 at 6:23 | comment | added | Ozzah | Thanks. I think I'll drop down to ~5V with a transformer as you suggest. | |
| May 17, 2017 at 5:05 | review | First posts | |||
| May 17, 2017 at 6:38 | |||||
| May 17, 2017 at 5:02 | history | answered | user33753 | CC BY-SA 3.0 |