Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

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PhilippHuettlin
 
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Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by PhilippHuettlin »

Hi,

I want to use the Adafruit Dataloging Shield RevB with an adruino Mega R3 to store some sensor values.
Both are new and never used before.

I tried a few example sketch for the RTC, they worked all fine. But I could not get any sketch working with the SD card.

I tried to get some more infos with the sdInfo.ino form the this repository -https://github.com/greiman/SdFat/blob/m ... SdInfo.ino
which gave me the following serial output:
09:25:41.163 ->
09:25:41.163 -> Disabling SPI device on pin 10
09:25:41.196 ->
09:25:41.196 -> Assuming the SD chip select pin is: 53
09:25:41.261 -> Edit SD_CS_PIN to change the SD chip select pin.
09:25:41.294 ->
09:25:41.294 -> type any character to start
09:25:44.696 ->
09:25:44.696 -> SD initialization failed.
09:25:44.727 -> Do not reformat the card!
09:25:44.759 -> Is the card correctly inserted?
09:25:44.792 -> Is there a wiring/soldering problem?
09:25:44.857 -> Is SD_CS_PIN set to the correct value?
09:25:44.891 -> Does another SPI device need to be disabled?
09:25:44.923 -> SD errorCode: SD_CARD_ERROR_CMD0 = 0x1
09:25:44.989 -> SD errorData = 0xff

I tried several aproaches from this forum and other sources but without succes. Any help is apreciated.

Regards,
Philipp
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adafruit_support_bill
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by adafruit_support_bill »

When running the test sketch, do you see any activity on the SD LED? (at the edge of the board between the SD card holder and the battery)

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PhilippHuettlin
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by PhilippHuettlin »

thanks for reaching out,

when running the test sketch the led blinks once everytime the sketch is executet. When an SD card is inserted.
Wihtout a SD-card the led is on for 1-2 seconds eveytime the sketch is executed.

regards,
Philipp

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adafruit_support_bill
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by adafruit_support_bill »

Do you have another SD card to test with? The two most common issues with these boards are soldering problems (yours looks fine) and card compatibility.

SPI is an 'alternative' interface on SD cards and sometimes we encounter timing issues with the implementation
on some cards.

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PhilippHuettlin
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by PhilippHuettlin »

I don't have one on hand right now but I will look for an alternative SD card to use and keep you updated.

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PhilippHuettlin
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by PhilippHuettlin »

Hi,
I tested it with another, smaller SD card and it looks like it is working for now.
For testing it is fine but for final use I would like to use a bigger one.

Do you have recommendations for SD card specifications that will ensure the board works reliably with it?

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adafruit_support_bill
 
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Re: Adafruit Dataloging Shield RevB - Arduino Mego R3 - SD Card not working

Post by adafruit_support_bill »

Not sure how much capacity you need. But the 16G SanDisk Ultra works.
https://www.adafruit.com/product/2693

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