This all happened my my own account, but I am curious as to why I didn't fry my Arduino, or at least that input pin. Let me see if I can explain. I am reading an input pin, pin 11 and it is set to; (I know it's defined as an OUTPUT, part of my mistake, but reading an output pin yeilds the same resu…

Question about Digital pins voltage max on INPUT

Jassper May 4, 2012, 3:48pm 11

OK, makes sense. Thanks.

Topic		Replies	Views
protection for external input? Interfacing	4	3353	May 6, 2021
What will the voltage be at my input pin? Frequently-Asked Questions	6	1594	May 6, 2021
protection for digital input pin General Electronics	19	10418	May 6, 2021
Minimum damaging voltage for analog inputs Sensors	23	8393	May 6, 2021
How do you cut-off any voltages greater than 5V before inputting to arduino ADC? General Guidance	13	8490	May 5, 2021