Hello @wjcroft. Thanks for helping with this. I have check multiple times for the FTDI setup. I was able to program the board successfully with the same setup so I am sure it is wired correctly. I don

https://github.com/OpenBCI/OpenBCI_GUI/issues/893 I've added a link to this thread to an open issue to re-investigate and confirm Cyton SD card recordings.

https://openbci.com/forum/index.php?p=/discussion/3154/timestamp-in-utc-from-sd-card-recording-resolved

Thus there is no way to record timestamps on the SD card.

I am using SD Card for data logging. Every time I get the logs, I see the date modified for all the logs as 1/1/2000 (In windows):

I am recording data with OpenBCI Cyton board (Cyton + Daisy). I have enabled logs for SD Card.

I needed real time stamp in format of Current date and time, in SD Card log. Will the time stamp command be able to help me achieve it?

you know that the GUI can also convert the SDcard hex files BACK INTO normal CSV files, with the conversion feature.

There is no longer a conversion feature in GUI v5 for SDCard -> Readable TXT. The GUI reads the SD card files directly.

I am unable to understand the use of Time Stamp command : < & > in Cyton SDK,

I was looking into the SD Card log, and as per OpenBCI Documentation I was supposed to get it in the below format:

I am using Hardware setup of Cyton + Daisy (16 Channels together) along with SD Card.

Richard @retiutut, do you know what section of the GUI code now handles decoding of SD card hex data? The link above no longer works because that filename 'DataLogging.pde', no longer exists. I do see

I am also looking for a script to convert SD card files (hex) to decimal.

Sleep staging needs to store data in SD card, and select write to SD card in GUI.

See these related posts. By default the sdcard sample rate cannot be changed. But the user below has a private mod that might work for you.

Hello. What is the max sampling rate to write for the SD card? I am trying to find that in the Documentation but not able to see it.

Please notice that; this situation does not completely destructs the functionality of the card but deterioriertes common mode rejection capability so Cyton cards continue to work many years.

as impedance check). And only enter your special SD card begin sequence, when you specifically select it with the GPIO pin.

Best strategy is to just mod DefaultBoard to turn on the SD card recording mode that you desire. NOT to use one of the other ino files. Locate how the SD card mode setting and startup is controlled fr