#include "SevSeg.h"
SevSeg sevseg; //Initiate a seven segment controller object
void setup() {
byte numDigits = 4;
byte digitPins[] = {2, 3, 4, 5};
byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
bool resistorsOnSegments = 1;
sevseg.begin(COMMON_ANODE, numDigits, digitPins, segmentPins, resistorsOnSegments);
sevseg.setBrightness(90);
}
void loop() {
int key = (0x1B58 / 0x64) >> 1;
int secret_number = (key << 2) & 0x7F;
sevseg.setNumber(secret_number, 3);
sevseg.refreshDisplay();
}