Timeline for What happens if I power the Arduino with both the USB and external power voltage simultaneously?
Current License: CC BY-SA 3.0
10 events
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| Jun 17, 2020 at 8:21 | history | edited | CommunityBot | Commonmark migration | |
| Aug 6, 2014 at 7:16 | comment | added | Suma | The answer may be factually correct, but it seems confusing to me (as a novice user). Is misses some summary (can I have both at the same time or no?). What is this voltage divider talk about? Do I have to use a voltage divider to have both powers at the same time, or is this an experiment to prove someting? | |
| Mar 24, 2014 at 22:17 | comment | added | Ignacio Vazquez-Abrams | @AnnonomusPerson: Neither of the voltage divider nor inverter configuration require the Uno to be powered by the external supply; it is only used for sensing. | |
| Mar 24, 2014 at 21:49 | comment | added | Anonymous Penguin | Only connect the grounds. Won't that be done automatically by the Uno? (Or are you referring to the voltage divider setup?) | |
| Mar 24, 2014 at 11:07 | history | edited | Ignacio Vazquez-Abrams | CC BY-SA 3.0 | added 15 characters in body |
| Mar 24, 2014 at 11:01 | comment | added | Ignacio Vazquez-Abrams | According to the schematic external power will be chosen if it's above 7.4V or so, otherwise USB power. | |
| Mar 24, 2014 at 10:56 | vote | accept | Jagat | ||
| Mar 24, 2014 at 10:56 | comment | added | Jagat | Ok. Thank you for the answer. What will happen when I power them through both USB connection and external power supply. If it selects automatically, what source will it select? | |
| Mar 24, 2014 at 10:42 | history | edited | Ignacio Vazquez-Abrams | CC BY-SA 3.0 | added 99 characters in body |
| Mar 24, 2014 at 10:37 | history | answered | Ignacio Vazquez-Abrams | CC BY-SA 3.0 |