1  // SPDX-FileCopyrightText: 2018 Anne Barela for Adafruit Industries
 2  //
 3  // SPDX-License-Identifier: MIT
 4  
 5  // Simple read analog potentiometer on Circuit Playground Express or other board with pin change
 6  // Anne Barela for Adafruit Industries 9/2018
 7  
 8  #define ANALOGPIN      A1  // For Circuit Playground Express
 9  
10  int delayval = 500;        // delay for half a second
11  
12  void setup() {
13     Serial.begin(9600);    // open the serial port at 9600 bps
14  }
15  
16  void loop() {
17     int value;
18  
19     value = analogRead(ANALOGPIN); // analog read of potentiometer
20  
21     Serial.println(value);   // print value
22  
23     delay(delayval);         // Delay for a period of time (in milliseconds).
24  }