jaretburkett / Arduino-I2C-Port-Expander

Turn any Arduino compatable chip into an amazing I2C port expander / touch screen controller.
MIT License
19 stars 14 forks source link

please clarify analog pin usage #6

Open mamert opened 5 years ago

mamert commented 5 years ago

"io.analogRead(pin); - Returns analog read value as int. Must call slaves digital pin number not its analog pin. So use 14 instead of A0."

I don't understand this, isn't A0 defined as 14 already? On 328p at least? https://arduino.stackexchange.com/a/21599