Note that although the Arduino constructor allows the bit depth to be set, it only has any effect on SAMD boards. // create the analog device ArduinoAnalogDevice analog; // to make A1 an input ...

Connect the LED to PWM pin (e.g., D9) through a resistor. Connect the middle pin of the potentiometer to A0. Connect the other two potentiometer pins to 5V and GND. The potentiometer sends an analog ...