Hardware Reference
In-Depth Information
3.4 Analog I/O
In this section, we develop Arduino Sketch to access Analog I/O. Arduino Yún has 6 analog
inputs, A0, A1, A2, A3, A4, A5. For Analog output, it's called PWM.
You obtain PWM pins easily but if you have Arduino Yún, it writes DIGITAL (PWM ~).
It means your PWM pins can be found on DIGITAL pins which pin with ~, for instance,
~3,~5,~6,~9, ~10, ~11.
3.4.1 Potentiometer
We use a Potentiometer to illustrate how to read analog input.
3.4.1.1 Wiring
We use Potentiometer as analog input source. Connect Potentiometer pins to VCC and Vout
to Analog input A0 on Arduino Yún.
