// Use an analog potentiometer as a selector switch

#include <SevSeg.h>
SevSeg sevseg; //Instantiate a seven segment controller object

// Number of switch positions and maximum analog voltage

const byte numberOfPositions = 5;
const uint16_t maxAnalog = 1023 + 1;

void setup() {
  Serial.begin(115200);
  const byte numDigits = 1;
  const byte digitPins[] = {2};
  const byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
  const bool resistorsOnSegments = false; // 'false' means resistors are on digit pins
  const byte hardwareConfig = COMMON_ANODE; // See README.md for options
  const bool updateWithDelays = false; // Default 'false' is Recommended
  const bool leadingZeros = false; // Use 'true' if you'd like to keep the leading zeros
  const bool disableDecPoint = true; // Use 'true' if your decimal point doesn't exist or isn't connected

  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments,
               updateWithDelays, leadingZeros, disableDecPoint);
  sevseg.setBrightness(70);
}

void loop() {
  byte swVal = map(analogRead(A5), 0, maxAnalog, 1, numberOfPositions + 1);
  byte lastSwVal;

  sevseg.setNumber(swVal, 1);
  if (swVal != lastSwVal) { // update display only on value change
    sevseg.refreshDisplay(); // Must run repeatedly
    lastSwVal = swVal;
  }
}