#include "SevSeg.h"
SevSeg sev; 
#define MAX_STRINGS 12
#define MAX_SIZE 8
char strs[MAX_STRINGS][MAX_SIZE];
#define INTERVAL 1000
unsigned long t = millis() - INTERVAL;
byte pos = 0;
void setup() {
    byte numD = 4;
    byte digPins[] = {2, 3, 4, 5};
    byte segPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
    bool resOnSeg = false; 
    byte hwCfg = COMMON_ANODE; 
    bool updWithDelays = false; 
    bool leadZeros = false; 
    sev.begin(hwCfg, numD, digPins, segPins, resOnSeg, updWithDelays, leadZeros);
    sev.setBrightness(90);
    strcpy(strs[0], "A..BC.");
    strcpy(strs[1], "....");
    strcpy(strs[2], ". ");
    strcpy(strs[3], " . ");
    strcpy(strs[4], " . ");
    strcpy(strs[5], " .");
    strcpy(strs[6], ".ABC");
    strcpy(strs[7], "A.BCD");
    strcpy(strs[8], "A.B.CD");
    strcpy(strs[9], "A.B.C.D");
    strcpy(strs[10], "A.B.C.D.");
    strcpy(strs[11], ". . . .");
}
void loop() {
    if (millis() > (t + INTERVAL)) {
        sev.setChars(strs[pos]);
        pos++;
        if (pos >= MAX_STRINGS) pos = 0;
        t = millis();
    }
    sev.refreshDisplay();
}