Timeline for Can I use and external power supply and USB at the same time on my Arduino?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 28, 2020 at 22:19 | comment | added | DataFiddler | Besides the limits of the signal pins, the 5V pin on the arduino cannot supply as much current as your 9V 1A wall wart. Question is, how you power more LEDs ? | |
| Oct 24, 2020 at 19:22 | answer | added | chrisl | timeline score: 2 | |
| Oct 24, 2020 at 18:46 | comment | added | jsotola | you do if you want to use the arduino as an expensive fuse .... GPIO pins have a limited current source/sink capacity .... the internet has many examples of controlling high current devices with a microcontroller | |
| Oct 24, 2020 at 18:33 | comment | added | learntofix | Don't I power the Arduino and run the wires through the GPIO? | |
| Oct 24, 2020 at 18:29 | comment | added | jsotola | don't use the arduino as a power supply for the LEDs | |
| Oct 24, 2020 at 18:28 | review | First posts | |||
| Oct 28, 2020 at 22:19 | |||||
| Oct 24, 2020 at 18:27 | history | asked | learntofix | CC BY-SA 4.0 |