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Data Logger Shield (HCARDU0093) 
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Joined: Sat Oct 22, 2016 11:16 am
Posts: 3
Post Re: Data Logger Shield (HCARDU0093)
Thank you for your shortened program which just uses the RTC hardware.

I can confirm that I have uploaded this to my Arduino Uno and it doesn't display anything in the Serial Monitor Window at all when the program runs (also using 9600 baud as advised). I have also tried with a different CR1220 battery to see if this makes any difference but it didn't.

I'm guessing that this means that the RTC isn't working. Can I get this unit replaced with a working one ? How would I go about that please ?

Wed Nov 09, 2016 8:26 pm
Site Admin

Joined: Sun Aug 05, 2012 4:15 pm
Posts: 617
Post Re: Data Logger Shield (HCARDU0093)
Yes, I think it's looking likely there is a problem with the shield. I think I've found you on our system but I'm going to DM you to confirm your details and we can sort it out from there.

Thu Nov 10, 2016 9:55 am

Joined: Wed Oct 15, 2014 9:17 am
Posts: 1
Post Re: Data Logger Shield (HCARDU0093)
After downloading and installing Arduino version 1.8.0 I get SD Card error messages despite no hardware changes, after much experimenting I changed the SD library to an olfder one downloaded from here ... d-leonardo
and all is now working fine again, this is with a Hobbycomponents UNO+ board.
Hope this might help someone..


Fri Jan 06, 2017 4:54 pm
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