Timeline for Detect car +12V using Arduino
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Aug 25, 2014 at 8:31 | history | edited | cat | CC BY-SA 3.0 |
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| Aug 25, 2014 at 8:30 | comment | added | cat | If you use the 3V3 circuit with a 5V Arduino you should be safe. 3V is still detected as HIGH, and you can have over-voltages of 20V on the divider. | |
| Aug 24, 2014 at 9:46 | comment | added | PeterJ | This would normally be OK, although I'm not sure at some of the higher voltages occasionally present (as shown above) how well the internal clamp diodes in an AVR would cope with it. | |
| Aug 24, 2014 at 9:32 | review | First posts | |||
| Aug 24, 2014 at 9:47 | |||||
| Aug 24, 2014 at 9:30 | history | edited | cat | CC BY-SA 3.0 |
added 152 characters in body
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| Aug 24, 2014 at 9:25 | history | answered | cat | CC BY-SA 3.0 |