control a led using rtc with arduino


finally found a way to control led

 using rtc with arduino!!


    This is a example sketch.you can create anything using this example.

     what you need:

     1.arduino board
     2.rtc (real time clock)
     3.led (i am using built in led)

*since i am using this rtc module for my projects i noticed a
problem,i set a specific time to turn off and on the led,using(==)
[see arduino reference] condition,but in case of power failure, it fails to turn on/off the led.because the time we set has already passed.in this case i figure a new way.please see the full tutorial.
    connections are shown below;

 
   *after you complete the connections, you can upload the code using
    arduino ide.i am using the "LED_BUILTIN" function. so you can change
    the code as you refer.
    but you have to install libraries first.
    here i include them:
  
   >> DS3231 library:click here

   >>to include ds3231 library open arduino ide,

   sketch>include library>>>add zip library
   and you are done.!!!
   after doing all the stuff you can oh! finally upload it to the arduino
   >>here is the example sketch
   use your own imagination to create things!!    
   



if you satisfied with this please comment >>>
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Comments

  1. it is a very helpful article thanks i finally able to control my lights with this code

    ReplyDelete
  2. amazing.thanks it is very helpful.

    ReplyDelete
  3. this article is very helpful.i used it to control relays.so i would able to control all the lights in the garden at a specific time.thanks again.

    ReplyDelete

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