gistfile1.txt

#include <Wire.h>
#include <Arduino.h>

#define BUTTON_1 D4
#define BUTTON_2 D5
#define SEGMENT_DRIVER D0
#define SER_IN D1
#define RCK D2
#define SRCK D3


int state;
void setup() {
  pinMode(BUTTON_1, INPUT);
  pinMode(BUTTON_2, INPUT);

  pinMode(SEGMENT_DRIVER, OUTPUT);
  pinMode(SER_IN, OUTPUT);
  pinMode(RCK, OUTPUT);
  pinMode(SRCK, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int val_D4 = digitalRead(BUTTON_1);
  int val_D5 = digitalRead(BUTTON_2);
  digitalWrite(SEGMENT_DRIVER, val_D4);
  digitalWrite(RCK, LOW);
  shiftOut(SER_IN, SRCK, LSBFIRST, B11110111);
  digitalWrite(RCK, HIGH);
  Serial.println("D4: " + String(val_D4));
  Serial.println("D5: " + String(val_D5));
  Serial.println("------");
  delay(500);
}