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【奧松新品】四位七段數(shù)碼管——制作時(shí)鐘

編輯：Salmon2016-04-09 瀏覽次數(shù)：1135

產(chǎn)品介紹：

此產(chǎn)品由一個(gè)12管腳的4位7段共陽極數(shù)碼管和一個(gè)控制芯片TM1637構(gòu)成。該模塊采用沉金工藝，外觀更加美觀，同時(shí)采用防插反接口，操作更加安全，插口一邊有大寫字母I表示該模塊采用IIC協(xié)議通信，另一邊是數(shù)碼管的圖標(biāo)標(biāo)志。此產(chǎn)品可以應(yīng)用在時(shí)間顯示、跑表顯示以及其他需要顯示數(shù)字的設(shè)備上。

產(chǎn)品圖片：

產(chǎn)品側(cè)面展示

產(chǎn)品正面展示

產(chǎn)品背面展示

產(chǎn)品參數(shù)：

1. 工作電壓： +5v

2. 尺寸大?。?span>45mm x 25mm

3. 重量大?。?span>8g

4. 通信協(xié)議：IIC

引腳定義：

SCK：IIC時(shí)鐘信號(hào)引腳

SDA：IIC數(shù)據(jù)信號(hào)引腳

-：電源地

+：電源正極

應(yīng)用實(shí)例電路：

示例代碼：

#include "TM1637.h"
#define ON 1
#define OFF 0
int8_t TimeDisp[] = {0x00,0x00,0x00,0x00};
unsigned char ClockPoint = 1;
unsigned char Update;
unsigned char halfsecond = 0;
unsigned char second;
unsigned char minute = 0;
unsigned char hour = 12;
#define CLK A5//pins definitions for TM1637 and can be changed to other ports    
#define DIO A4
TM1637 tm1637(CLK,DIO);
void setup()
{
  tm1637.set();
  tm1637.init();
  Timer1.initialize(500000);//timing for 500ms
  Timer1.attachInterrupt(TimingISR);//declare the interrupt serve routine:TimingISR  
}
void loop()
{
  if(Update == ON)
  {
    TimeUpdate();
    tm1637.display(TimeDisp);
  }
}
void TimingISR()
{
  halfsecond ++;
  Update = ON;
  if(halfsecond == 2)
  {
    second ++;
    if(second == 60)
    {
      minute ++;
      if(minute == 60)
      {
        hour ++;
        if(hour == 24)hour = 0;
        minute = 0;
      }
      second = 0;
    }
    halfsecond = 0;  
  }
 // Serial.println(second);
  ClockPoint = (~ClockPoint) & 0x01;
}
void TimeUpdate(void)
{
  if(ClockPoint)tm1637.point(POINT_ON);
  else tm1637.point(POINT_OFF);
  TimeDisp[0] = hour / 10;
  TimeDisp[1] = hour % 10;
  TimeDisp[2] = minute / 10;
  TimeDisp[3] = minute % 10;
  Update = OFF;
}