5V tolerant GPIO ?

[buzibus]

Does the Olinuxino A13 WiFi has 5V tolerant inputs among its GPIO pins?


Thanks

[nvd]

I don't think that there is any.

Use a simple voltage divider to divide 5 V to 3.3 V.

If you can use an open collector type of driver to drive the input pin, connect a 1 k - 10 k resistor between 3.3 V on the board and the GPIO pin.

[buzibus]

Thanks

[crubille]

You can use this mount either for input or for output:

http://daniel.robert9.pagesperso-orange.fr/Digit/images/Fonctionnement_d_un_transistor_NPN_en_commutation.gif