What voltage are the GPIO pins?

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Re: What voltage are the GPIO pins?

By DMike92
- Fri Mar 24, 2023 10:11 am #96137 In the same thread, do you know what is the maximum voltage to apply to a digital IO pin so that it is understood as a LOW state (Vil max)?
Thaks :-)
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Re: What voltage are the GPIO pins?

By DMike92
- Mon Mar 27, 2023 3:49 pm #96147
DMike92 wrote:In the same thread, do you know what is the maximum voltage to apply to a digital IO pin so that it is understood as a LOW state (Vil max)?
Thaks :-)

I finally found the answer here :
https://nurdspace.nl/images/e/e0/ESP826 ... nglish.pdf
Page 15 :
Parameter ; Symbol ; Min ; Max ; Unit
Input low voltage ; VIL ; -0.3 ; .25 x Vio ; V
==> 0.25 x3.3 = 0.825 V
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