[Arduino code] Express number using FND display module TM1637 (디스플레이 모듈을 이용한 숫자 표기)

- Supplies: *FND display (SZH-EKBZ-016), Arduino board

- 준비물: FND 디스플레이, 아두이노

*https://www.devicemart.co.kr/goods/view?no=1326952

#include <TM1637Display.h>

#define baud_rate 9600
#define CLK 9
#define DIO 10


TM1637Display dsp(CLK, DIO);

void setup() {
  Serial.begin(baud_rate);
  Serial.println("Serial Start");

}

void loop() {

  dsp.setBrightness(5); // brightness: 0 ~ 7
  double number = 123;  
//  dsp.showNumberDec(number); 
//  dsp.showNumberDec(number, true); 
//  dsp.showNumberDecEx(number, 0x40);
//  dsp.showNumberDecEx(number, 0x40, true);
  
}

Top left: dsp.showNumberDec(number);  Top right: dsp.showNumberDec(number, true);
Bottom left: dsp.showNumberDecEx(number, 0x40);, Bottom right: dsp.showNumberDecEx(number, 0x40, true);