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- เผยแพร่เมื่อ 10 มิ.ย. 2024
- Hi, welcome to this tutorial where I use the DS3231 Real time clock with Arduino UNO board and displaying different formats of date and time on the OLED screen and also the temperature, step by step tutorial with the help of an easy library to easily embbed in your projects.
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Wiring, libraries and codes:
surtrtech.com/2019/01/13/how-t...
Arduino RTC playlist:
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How to simply use RTC DS1302 with Arduino:
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How to setup RTC DS1302 with keypad and Arduino:
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How to use 128*32 OLED display:
• Use OLED display + Ard...
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This one has a nice library and easy to understand unlike the others 🤯
Also your codes made me understand the Library more, thank you so much 😌
Thank you for your video very interesting, this display is very good perhaps I will get one to try
Does your DS3231 maintain the correct time when everything is unplugged from power? So that later when you reconnect it to power it will show the correct time? I've been having lots of issues with a similar setup. Many thanks.
Hello mate ,
I was tray to follow your example but NO matter what I have don I can't get rid of this error :
///
sketch_mar06a:22:8: error: 'DS3231 clock' redeclared as different kind of symbol
DS3231 clock;
///
Any idea why ? ... what could be wrong and where ?
Many Thanks in Advance ...
Hello SurtrTech. Watched closely your tutorial, connected everything carefully, downloaded and included ONLY the DS3231 master library you recomend. Uploaded "simple" example of the library, no errors reported but serial monitor says "Initialize 3231" and nothing happens from that point! It just will not start the clock. any possible solutions?
Hello, are you using other board than Uno?
What is wrong ? My IDE gives an error on this line: DS3231 clock"" ; please help me
Your tutorial is one of the few on you tube that has the basis of what I am trying to achieve using a OELD 128 X 32 Screen.
A couple of questions
1. Is it possible to display the two different times on the screen at the same time . Showing for example different time zones?
2. when less than ten , the months and minutes show a single digit on the display , is it possible for this to be preceded by a 0
Hello, thanks.
For different times I think the RTC can only keep one time zone, you can add others timezones by incrasing/decreasing the hours value (you'll be needing a lot of conditions to avoid displaying strange values)...
Please refer to the library Github page, you'll find all the ways of displaying the values... if not, you can add other conditions that check the value and add 0 if needed.
SurtrTech . Thank you for taking the time to get back to me. I have so far managed to display on the screen 2 clock displays showing the same time but in different formats - the next challenge is to introduce a millis() function into the script of one of the clock displays. Any thoughts ?
Regards Robert
@@oceancity1042 Hello, millis() returns the time since the Arduino started the program... you can use it to display millis too and you should take the seconds as your reference.
I cannot figure out why the Code_1 sketch seems to work great with my OLED but Code_7 only shows the temperature and not the time? I think it may have to do with the clock.dateFormat("g:i", dt) vs. the dt.hour method
Hello, check the library link github.com/jarzebski/Arduino-DS3231 it shows different formats possible to use... and try them.
@@SurtrTech I didn't even get a notification you replied to me. Thank you so much. I will look into this. Ignore my post on the arduino hub.
@@SurtrTech wait. I have this library. I have the same problem when I run the dateformat example file. Let me make a quick video and show you.
@@SurtrTech check out my video th-cam.com/video/Gl1-mtAyvkU/w-d-xo.html
Hi, Been following your conversation and had hoped I had cracked it but no avail. My Arduino at version 1.18.3,
Still getting the same problem ‘RTCDateTime’ does not name a type’. believe subscribers have experience a similar problem. Would sincerely appreciate your help to resolve.
Hello, please make sure you downloaded the library and installed it correctly... sometimes it can be a problem, try to check for new libraries...I already have one in the article but there maybe a change, and I can't keep up with everything.
SurtrTech . Thank you for taking the time to reply , I did indeed upload the software again as suggested and that fixed the problem . Your assistance and you tube videos are exceptional. Thank you again.
Best regards
Robert
hey i am havin problems uploading the code
Hi, can you tell me what kind of problems? Compiling?
@LeafDoode Hi, that's a library problem, did you installed it correctly? And please check that you did not install more than one library for the RTC.
@LeafDoode If you want to use the same library that I used, you can go the Arduino libraries folder (Generaly in Documents/Arduino/Libraries) and delete the other libraries folder, and leave this one its name there is "Arduino-DS3231-master"
@LeafDoode Did you try to look in "Program Files / Arduino / Libraries" ?
@LeafDoode Look also here (C:\Program Files (x86)\Arduino\hardware\arduino\avr\libraries)
Those are the 3 locations where your libraries are stored
Check this: forum.arduino.cc/index.php?topic=390833.0
1 button ?
2 display
- clock 12:34:56
- date 01/02/1234 D M Y
- temperature C* -50.1 +80.1
=====
+ setup
Sorry I didn't understand what do you mean !
Yes, buttons for the display would be good it would make it easy to use I think three buttons would do the job!!