#include "SevSeg.h"
SevSeg sevseg; //Initiate a seven segment controller object


void setup() {
    byte numDigits = 4;  
    byte digitPins[] = {13,10,9,7};
    byte segmentPins[] = {12, 8, 5, 3, 2, 11, 6, 4};
    bool resistorsOnSegments = 0; 
    // variable above indicates that 4 resistors were placed on the digit pins.
    // set variable to 1 if you want to use 8 resistors on the segment pins.
    sevseg.begin(COMMON_CATHODE, numDigits, digitPins, segmentPins, resistorsOnSegments);
    sevseg.setBrightness(90);
}
void loop() {
    sevseg.setNumber(3.145,0);
    sevseg.refreshDisplay(); // Must run repeatedly
}