Timeline for Leonardo and micro: high pitch noise when powered from Vin
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 27, 2015 at 2:02 | comment | added | Chris Stratton | How are you generating audio signals? More specifically, what are you driving in the way of outputs? Are you driving a low impedance magnetic speaker directly? Your observed behavior strongly hints that you may be placing a high load on the regulator - normally, with only the micro as a load it shouldn't do that, unless you have a dirt cheap implementation made with substandard components. | |
| Jun 28, 2015 at 23:52 | answer | added | Maj | timeline score: 1 | |
| Jun 22, 2015 at 14:52 | history | edited | Anonymous Penguin | CC BY-SA 3.0 | Added info from deleted answer OP added |
| Jun 22, 2015 at 12:52 | history | edited | pascalm | CC BY-SA 3.0 | oscilloscope image of high pitch nois added |
| Jun 22, 2015 at 9:40 | answer | added | Majenko | timeline score: 0 | |
| Jun 22, 2015 at 9:29 | history | asked | pascalm | CC BY-SA 3.0 |