Timeline for what is arduino adc reference?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Dec 15, 2017 at 10:36 | comment | added | Nick Gammon♦ | I added the emphasis in my answer in case it was too mild as it was. ;) | |
| Dec 15, 2017 at 10:36 | history | edited | Nick Gammon ♦ | CC BY-SA 3.0 |
Added emphasis.
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| Dec 15, 2017 at 8:52 | comment | added | Edgar Bonet |
"do not connect anything to AREF" and "[call analogReference(EXTERNAL)] before doing an analogRead" (amphasis mine). These are very important points not mentioned in the other answers.
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| Dec 15, 2017 at 7:53 | history | answered | Nick Gammon ♦ | CC BY-SA 3.0 |