#include <SevSegShift.h>

#define SHIFT_PIN_SHCP1 4
#define SHIFT_PIN_STCP1 3
#define SHIFT_PIN_DS1   2
#define SHIFT_PIN_SHCP2 12
#define SHIFT_PIN_STCP2 11
#define SHIFT_PIN_DS2   10

#define POT_PIN A0

int potVal = 0;

SevSegShift sevseg1(SHIFT_PIN_DS1, SHIFT_PIN_SHCP1, SHIFT_PIN_STCP1, 1, true);
SevSegShift sevseg2(SHIFT_PIN_DS2, SHIFT_PIN_SHCP2, SHIFT_PIN_STCP2, 1, true);

void setup() {

  Serial.begin(9600);
  byte numDigits = 4;
  byte digitPins[] = {6, 7, 8, 9}; // These are the PINS of the ** Arduino **
  byte segmentPins[] = {0, 1, 2, 3, 4, 5, 6, 7}; // these are the PINs of the ** Shift register **
  bool resistorsOnSegments = false; // 'false' means resistors are on digit pins
  byte hardwareConfig = COMMON_ANODE; // See README.md for options
  bool updateWithDelays = false; // Default 'false' is Recommended
  bool leadingZeros = false; // Use 'true' if you'd like to keep the leading zeros
  bool disableDecPoint = false; // Use 'true' if your decimal point doesn't exist or isn't connected
  
  sevseg1.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments, 
  updateWithDelays, leadingZeros, disableDecPoint);
  sevseg1.setBrightness(100);

}

void loop() {
  Serial.println(potVal);
  potVal = analogRead(POT_PIN);
  sevseg1.setNumber(potVal,1);
  sevseg1.refreshDisplay();
}