用1602和DS3231搭建的可调时钟～～新人帖～～标题要长～～ - 第9页 - Arduino - 极客工坊

singz 发表于 2017-10-12 09:37:31

galaxy 发表于 2017-10-11 13:13
0022的 IDE 組譯不過,
1.0 的 IDE 組譯ok
謝謝您,辛苦了~~讚

:):):):):):):):)

off-ice 发表于 2017-12-5 18:39:08

论坛里有朋友写了一个电波钟的解码程序。http://www.geek-workshop.com/thread-7797-1-1.html
可以加入电波校时，这样就可以减少外部的按键或者只添加一个手动校时按键。

off-ice 发表于 2017-12-5 20:00:43

suoma 发表于 2017-3-9 13:44
800行啊，我觉得这些功能实现100行就行了

你使用DS1302制作的时钟完成了吗？能写个详细的帖子吗？小白向你学习一下。谢谢了。

singz 发表于 2017-12-11 09:17:58

off-ice 发表于 2017-12-5 18:39
论坛里有朋友写了一个电波钟的解码程序。http://www.geek-workshop.com/thread-7797-1-1.html
可以加入电 ...

电波的那个挺厉害，这还有个网络校时的：

http://blog.csdn.net/wiznet2012/article/details/38274587

off-ice 发表于 2017-12-11 18:41:42

singz 发表于 2017-12-11 09:17
电波的那个挺厉害，这还有个网络校时的：

http://blog.csdn.net/wiznet2012/article/details/38274587

想自己做个时钟，手边有DS1302和1602显示屏。看到电波功能就心动了。但是本人是个小白，不知道从何入手。

singz 发表于 2017-12-12 11:11:41

off-ice 发表于 2017-12-11 18:41
想自己做个时钟，手边有DS1302和1602显示屏。看到电波功能就心动了。但是本人是个小白，不知道从何入手。

可以先搭个串口手动校时的普通钟，再学习网络自动校时钟，条件合适的话可以试试电波钟

off-ice 发表于 2017-12-12 18:23:06

singz 发表于 2017-12-12 11:11
可以先搭个串口手动校时的普通钟，再学习网络自动校时钟，条件合适的话可以试试电波钟

好的，慢慢学。有什么问题还要请教你

taoqi803 发表于 2018-3-26 19:02:33

大神第一个闹钟有用连的led 可以亮
我尝试增加第二闹钟但是第二个闹钟貌似没用 LCD 可以显示也可以设置但是第二个闹钟 LED 没反应#include <Wire.h>
#include <DS3231.h>
#include <LiquidCrystal.h>

DS3231 Clock;
bool h12, PM, Century=false;
byte year, month, date, DoW, hour, minute, second;
bool A1Dy, A1h12, A1pm, A2Dy, A2h12, A2pm;
byte A1Day, A1Hour, A1Minute, A1Second, ABits, A2Day, A2Hour, A2Minute, A2Second;

const byte Set=2;
const byte New=3;

byte button = {Set, New};
LiquidCrystal lcd(A0, A1, A2, A3, 7, 8);

void setup()
{
Wire.begin();
lcd.begin(16, 2);

pinMode(Set,INPUT);// button for set
pinMode(New,INPUT);

pinMode(4,OUTPUT); // output
}

void loop()
{
unsigned long Rt=millis()%1000;
if(Rt<500)//0.5s
{
Pritime();
}
SetTime();
Alarm1();
Alarm2();
}

/* ~~~~~~~~~~~~~~~~~~~~~~ Time display ~~~~~~~~~~~~~~~~~~~~~~~ */
void Pritime()
{
int second,minute,hour,date,month,year,dow,temperature;
second=Clock.getSecond();
minute=Clock.getMinute();
hour=Clock.getHour(h12, PM);
date=Clock.getDate();
month=Clock.getMonth(Century);
year=Clock.getYear();
dow=Clock.getDoW();

temperature=Clock.getTemperature();

lcd.setCursor(0, 0);
lcd.print("20");// 20 Century
if (year>=10)// print year
   {
   lcd.print(year,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(year,DEC);
   }
lcd.print('-');

lcd.setCursor(5, 0);
if (month>=10)// print month
   {
   lcd.print(month,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(month,DEC);
   }
lcd.print('-');

lcd.setCursor(8, 0);
if (date>=10)// print data
   {
   lcd.print(date,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(date,DEC);
   }

lcd.setCursor(11, 0);
switch (dow)// week
   {
   case 1:// dow = 1
   lcd.print("Mon");
   break;
   case 2:// dow =2
   lcd.print("Tue");
   break;
   case 3:
   lcd.print("Wed");
   break;
   case 4:
   lcd.print("Thu");
   break;
   case 5:
   lcd.print("Fri");
   break;
   case 6:
   lcd.print("Sat");
   break;
   case 7:
   lcd.print("Sun");
   break;
   }

lcd.setCursor(0, 1);
if (hour>=10)// print hour
   {
   lcd.print(hour,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(hour,DEC);
   }
lcd.print(':');

lcd.setCursor(3, 1);
if (minute>=10)// print minute
   {
   lcd.print(minute,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(minute,DEC);
   }
lcd.print(':');

lcd.setCursor(6, 1);
if (second>=10)// print second
   {
   lcd.print(second,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(second,DEC);
   }

lcd.setCursor(9, 1);
if (Clock.checkAlarmEnabled(1))// alarm enable
{
lcd.write("on");
}
else
{
lcd.print(' ');
}

lcd.setCursor(12, 1);
lcd.print(temperature);// show temperature
lcd.write(0xdf);// symbol
lcd.print("C");
}

/* ~~~~~~~~~~~~~~~~~~~~~~Display set Data Week Time ~~~~~~~~~~~~~~~~~~~~~~~ */
void PritimeSet(byte syear,byte smonth,byte sdate,byte sdow,byte shour,byte sminute,byte ssecond)
{
lcd.setCursor(0, 0);
lcd.print("20");// 20 Century
if (syear>=10)// print year
   {
   lcd.print(syear,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(syear,DEC);
   }
lcd.print('-');

lcd.setCursor(5, 0);
if (smonth>=10)// print month
   {
   lcd.print(smonth,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(smonth,DEC);
   }
lcd.print('-');

lcd.setCursor(8, 0);
if (sdate>=10)// print date
   {
   lcd.print(sdate,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(sdate,DEC);
   }

lcd.setCursor(11, 0);
switch (sdow)// print week
   {
   case 1:// dow = 1
   lcd.print("Mon");
   break;
   case 2:// dow = 2
   lcd.print("Tue");
   break;
   case 3:
   lcd.print("Wed");
   break;
   case 4:
   lcd.print("Thu");
   break;
   case 5:
   lcd.print("Fri");
   break;
   case 6:
   lcd.print("Sat");
   break;
   case 7:
   lcd.print("Sun");
   break;
   }

lcd.setCursor(0, 1);
if (shour>=10)// print hour
   {
   lcd.print(shour,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(shour,DEC);
   }
lcd.print(':');

lcd.setCursor(3, 1);
if (sminute>=10)// print minute
   {
   lcd.print(sminute,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(sminute,DEC);
   }
lcd.print(':');

lcd.setCursor(6, 1);
if (ssecond>=10)// print second
   {
   lcd.print(ssecond,DEC);
   }
   else
   {
   lcd.print("0");
   lcd.print(ssecond,DEC);
   }
}

/* ~~~~~~~~~~~~~~~~~~~~~~ flash set location ~~~~~~~~~~~~~~~~~~~~~~~ */
void TicSet(byte a,byte b)
{
lcd.setCursor(a,b);
lcd.print("");
}

/* ~~~~~~~~~~~~~~~~~~~~~~ display alarm1 ~~~~~~~~~~~~~~~~~~~~~~~ */
void PriA1()
{
lcd.setCursor(0, 0);
lcd.print("Alarm1 ");
if (Clock.checkAlarmEnabled(1))// alarm status
{
lcd.print("On");
}
else
{
lcd.print("Off");
}

Clock.getA1Time(A1Day, A1Hour, A1Minute, A1Second, ABits, A1Dy, A1h12, A1pm);

lcd.setCursor(0, 1); //second line on lcd
if (A1Hour>=10)// print hour
{
lcd.print(A1Hour,DEC);
}
else
{
lcd.print("0");
lcd.print(A1Hour,DEC);
}
lcd.print(':');

lcd.setCursor(3, 1);
if (A1Minute>=10)//print minute
{
lcd.print(A1Minute,DEC);
}
else
{
lcd.print("0");
lcd.print(A1Minute,DEC);
}
}
/*~~~~~~~~~~~~~~~~~~~~~~~display alarm2 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
void PriA2()
{
lcd.setCursor(0, 0);
lcd.print("Alarm2 ");
if (Clock.checkAlarmEnabled(2))// alarm status
{
lcd.print("On");
}
else
{
lcd.print("Off");
}

Clock.getA2Time(A2Day, A2Hour, A2Minute, ABits, A2Dy, A2h12, A2pm);

lcd.setCursor(0, 1); //second line on lcd
if (A2Hour>=10)// print hour
{
lcd.print(A2Hour,DEC);
}
else
{
lcd.print("0");
lcd.print(A2Hour,DEC);
}
lcd.print(':');

lcd.setCursor(3, 1);
if (A2Minute>=10)//print minute
{
lcd.print(A2Minute,DEC);
}
else
{
lcd.print("0");
lcd.print(A2Minute,DEC);
}
}

/* ~~~~~~~~~~~~~~~~~~~~~~ switch debounce~~~~~~~~~~~~~~~~~~~~~~~ */
unsigned long LastP;
boolean buttonPress(byte button)
{
if(digitalRead(button)==HIGH) // button press?
{
unsigned long NowP = millis();
unsigned long buttonChange=NowP-LastP;// debounce function
if (buttonChange>500)
   {
   LastP = millis();
   return true;
   }
   else
   {
   return false;
   }
}
else
{
return false;
}
}

/* ~~~~~~~~~~~~~~~~~~~~~~ set time ~~~~~~~~~~~~~~~~~~~~~~~ */
void SetTime()
{
bool h12, PM, Century=false;
byte syear, smonth, sdate, sdow, shour, sminute, ssecond;

if(buttonPress(Set))
{
lcd.clear();
delay(200);
Clock.getTime(syear, smonth, sdate, sdow, shour, sminute, ssecond);
bool SetY=true;

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter year set ~~~~~~~~~~~~~~~~~~~~~~~ */
while(SetY)
{
unsigned long Rt=millis()%1000;
if(Rt<500)// flash every 0.5s
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   lcd.setCursor(0,0);
   lcd.print(" ");
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set year ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   syear=syear+1;
   if(syear>50)
      {
      syear = 0;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter month set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
bool SetMon=true;
while(SetMon)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   TicSet(5,0);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set month ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   smonth=smonth+1;
   if(smonth>12)
      {
      smonth=1;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter data set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
bool SetD=true;
while(SetD)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   TicSet(8,0);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set data ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   sdate=sdate+1;
   if(sdate>31)
      {
      sdate=1;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter week set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
bool SetW=true;
while(SetW)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   lcd.setCursor(11,0);
   lcd.print(" ");
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set week ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   sdow=sdow+1;
   if(sdow>7)
      {
      sdow=1;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter hour set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
long NewP=0;
bool SetH=true;
while(SetH)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   TicSet(0,1);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set hour ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   NewP=NewP+1;
   shour=shour+1;
   if(shour>23)
      {
      shour=0;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter minute set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
bool SetMin=true;
while(SetMin)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   TicSet(3,1);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set minute ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   NewP=NewP+1;
   sminute=sminute+1;
   if(sminute>59)
      {
      sminute=0;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter second set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
bool SetS=true;
while(SetS)
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)
   {
   PritimeSet(syear, smonth, sdate, sdow, shour, sminute, ssecond);
   }
   else
   {
   TicSet(6,1);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set second ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   NewP=NewP+1;
   ssecond=ssecond+1;
   if(ssecond>59)
      {
      ssecond=0;
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ exit and save ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
Clock.setYear(syear);
Clock.setMonth(smonth);
Clock.setDate(sdate);
Clock.setDoW(sdow);
if (NewP>0)
   {
   Clock.setHour(shour);
   Clock.setMinute(sminute);
   Clock.setSecond(ssecond);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter alarm1 hour set ~~~~~~~~~~~~~~~~~~~~~~~ */
lcd.clear();
delay(200);

bool SetA1H=true;
while(SetA1H)
   {
   unsigned long RA1=millis()%1000;
   if(RA1<500)// flash every 0.5s
   {
   PriA1();
   }
   else
   {
   TicSet(0,1);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set hour ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(New))
   {
   Clock.getA1Time(A1Day, A1Hour, A1Minute, A1Second, ABits, A1Dy, A1h12, A1pm);
   A1Hour=A1Hour+1;
   if(A1Hour<24)
   {
   Clock.setA1Time(A1Day, A1Hour, A1Minute, A1Second, B1000, A1Dy, false, A1pm);// set alarm for every day
   }
   else
   {
   A1Hour=0;
   Clock.setA1Time(A1Day, A1Hour, A1Minute, A1Second, B1000, A1Dy, false, A1pm);
   }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter alarm1 minute set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
   {
   lcd.clear();
   bool SetA1M=true;
   while(SetA1M)
   {
   unsigned long RA1=millis()%1000;
   if(RA1<500)
      {
      PriA1();
      }
      else
      {
      TicSet(3,1);
      }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set minute ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   Clock.getA1Time(A1Day, A1Hour, A1Minute, A1Second, ABits, A1Dy, A1h12, A1pm);
   A1Minute=A1Minute+1;
   if(A1Minute<60)
      {
      Clock.setA1Time(A1Day, A1Hour, A1Minute, A1Second, B1000, A1Dy, false, A1pm);
      }
      else
      {
      A1Minute=0;
      Clock.setA1Time(A1Day, A1Hour, A1Minute, A1Second, B1000, A1Dy, false, A1pm);
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Alarm1 on or off ~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(Set))
   {
   lcd.clear();
   bool SetA1R=true;
   while(SetA1R)
      {
      unsigned long RA1=millis()%1000;
      if(RA1<500)
         {
         lcd.setCursor(0, 0);
         PriA1();
         }
         else
         {
         lcd.setCursor(7, 0);
         lcd.print(" ");
         }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set alarm on or off ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
      if(buttonPress(New))
         {
         digitalWrite(New,LOW);

         if(Clock.checkAlarmEnabled(1))
         {
         Clock.turnOffAlarm(1);
         }
         else
         {
         Clock.turnOnAlarm(1);
         }
         }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter alarm2 hour set ~~~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
{
lcd.clear();
delay(200);

bool SetA2H=true;
while(SetA2H)
   {
   unsigned long RA2=millis()%1000;
   if(RA2<500)// flash every 0.5s
   {
   PriA2();
   }
   else
   {
   TicSet(0,1);
   }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set hour ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(New))
   {
   Clock.getA2Time(A2Day, A2Hour, A2Minute, ABits, A2Dy, A2h12, A2pm);
   A2Hour=A2Hour+1;
   if(A2Hour<24)
   {
   Clock.setA2Time(A2Day, A2Hour, A2Minute, B100, A2Dy, false, A2pm);// set alarm for every day
   }
   else
   {
   A2Hour=0;
   Clock.setA2Time(A2Day, A2Hour, A2Minute, B100, A2Dy, false, A2pm);
   }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Enter alarm minute set ~~~~~~~~~~~~~~~~~~~~~ */
if(buttonPress(Set))
   {
   lcd.clear();
   bool SetA2M=true;
   while(SetA2M)
   {
   unsigned long RA2=millis()%1000;
   if(RA2<500)
      {
      PriA2();
      }
      else
      {
      TicSet(3,1);
      }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set minute ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(New))
   {
   Clock.getA2Time(A2Day, A2Hour, A2Minute, ABits, A2Dy, A2h12, A2pm);
   A2Minute=A2Minute+1;
   if(A2Minute<60)
      {
      Clock.setA2Time(A2Day, A2Hour, A2Minute, B100, A2Dy, false, A2pm);
      }
      else
      {
      A2Minute=0;
      Clock.setA2Time(A2Day, A2Hour, A2Minute, B100, A2Dy, false, A2pm);
      }
   }

/* ~~~~~~~~~~~~~~~~~~~~~~ Alarm1 on or off ~~~~~~~~~~~~~~~~~~~~~ */
   if(buttonPress(Set))
   {
   lcd.clear();
   bool SetA2R=true;
   while(SetA2R)
      {
      unsigned long RA2=millis()%1000;
      if(RA2<500)
         {
         lcd.setCursor(0, 0);
         PriA2();
         }
         else
         {
         lcd.setCursor(7, 0);
         lcd.print(" ");
         }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ set alarm on or off ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
      if(buttonPress(New))
         {
         digitalWrite(New,LOW);

         if(Clock.checkAlarmEnabled(2))
         {
         Clock.turnOffAlarm(2);
         }
         else
         {
         Clock.turnOnAlarm(2);
         }
         }

/* ~~~~~~~~~~~~~~~~~~~~~~~~~ exit ~~~~~~~~~~~~~~~~~~~~~~~~~~ */
      if(buttonPress(Set))
         {
         lcd.clear();
         delay(200);
         goto exit;
         }
   }
   }
   }
   }
   }
   }
   }
   }
   }
   }
   }
   }
}
}
}
}
}
}
}
}
}
}
}
}
}
}
exit:;
}

/* ~~~~~~~~~~~~~~~~~~~~~~ Alarm1 on ~~~~~~~~~~~~~~~~~~~~~ */
void Alarm1()
{
if(Clock.checkIfAlarm(1))
{
long Rdt;
do
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)// flash every 0.5s
   {
   Pritime();
   delay(100);
   digitalWrite(4,HIGH);
   }
   Clock.getA1Time(A1Day, A1Hour, A1Minute, A1Second, ABits, A1Dy, A1h12, A1pm);
   Clock.getTime(year, month, date, DoW, hour, minute, second);
   if (hour==0)
   {
   hour=24;
   }
   Rdt=hour*60+minute*1-A1Hour*60-A1Minute*1;
   }
while(Rdt>=0&&Rdt<1);// continu 30s
}
else
{
digitalWrite(4,LOW);
}
}

void Alarm2()
{
if(Clock.checkIfAlarm(2))
{
long Rdt;
do
   {
   unsigned long Rt=millis()%1000;
   if(Rt<500)// flash every 0.5s
   {
   Pritime();
   delay(100);
   digitalWrite(4,HIGH);
   }
   Clock.getA2Time(A2Day, A2Hour, A2Minute, ABits, A2Dy, A2h12, A2pm);
   Clock.getTime(year, month, date, DoW, hour, minute, second);
   if (hour==0)
   {
   hour=24;
   }
   Rdt=hour*60+minute*1-A2Hour*60-A2Minute*1;
   }
while(Rdt>=0&&Rdt<1);// continu 30s
}
else
{
digitalWrite(4,LOW);
}
}

无言创客 发表于 2019-7-4 07:07:18

楼主您好，很抱歉打扰您。在使用您的这篇代码时，在闹钟响的那部分，如果闹钟开关是关闭状态，但是闹钟时间到还是响了，请问楼主这个怎么解？

一个小小小小白 发表于 2020-3-7 20:43:51

楼主大神，到设置时间的时候就会出现乱码，把前面两个地址都试了可是没什么效果，这是为什么啊？

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