#include <TM1638.h>
const int strobe = 3;
const int clk = 4;
const int data = 5;
int dots = 0x0; // display all decimal points, value in hexadecimal
int leds = 0xFF; // mask to display LEDS
byte keys; // key value
double number; // number to display
// define a module
TM1638 module(data, clk, strobe);

void setup() {
Serial.begin(9600);
module.clearDisplay(); // clear the display
number = 12345678; // decimal number
}

void loop() {
// display a number
  switch(keys){
case 0:
module.setDisplayToDecNumber(number, dots);
break;

case 1:
module.setDisplayToHexNumber(number, dots);
break;

case 2:
module.setDisplayToBinNumber(number, dots);
break;

case 4:
module.clearDisplay(); // clear the display
break;

case 8:
module.setDisplayToString("testing ");
break;

case 16:

break;

case 32:

break;

case 64:

break;

case 128:

break;

default:

break;
}
//

// get a key press
getKeyPressed();
//
}


void getKeyPressed(){
keys = module.getButtons();
Serial.println(keys);
// light the LED
module.setLEDs(keys & leds);
}