you wrote "Yes I have tried to save to SD card, but because the software stops acquiring it also stops saving to the SD card."

Yannick,the PIC32 on the 32bit board runs it's internal clock at 50MHz. It writes to the SD card at 20MHz. I have not done the math on this, but you should be able to greatly increase the sample rate

Before I (try to) dive into the code I would like to know if anybody knows what would be the maximum flow rate by writing on the card SD?

Before you do that, you can verify that the board is talking to the SD card by using a terminal software (I use CoolTerm on my mac).

OpenBCI_ADS1299: interpretBinaryStream: expecteding end-of-packet byte is missing.  Discarding packet. (2)

Also, does the system work as expected if you remove the SD card and run it?

- SanDisk 16 GB Class 10, UHS speed 1 microSD.

I updated the SD card tutorial doc with information about the other meta-data that is stored on the SD card

Do you have more details on what you want the main loop to actually be doing?  You could probably make the whole SD card into a large ring buffer.  If you're doing realtime display or something like t

Actually it only makes more sense now to use the SD card. 

If you are not using the SD card, you can also remove that code and library inclusion to gain more code headroom.

Thanks for the reply. I am using Intel Edison to control ADS1299 via the SPI bus. I connected Edison to the upper card of the ADS1299EEG-FE development kit. I am supplying this card with a 3.3 V as di

Then I decided to use ADS1299EEG-FE Daughter Card separately with Arduino DUE.

First, if you are not planning to store data locally to an SD card, you can remove the library inclusion in the code, and the SD code tab in order to access more program space on the Arduino chip.

Another solution is to use flashing icons on a computer monitor, but you need a decent graphics card to get accurate flashing rates.

If the streamingData mode is exited, then the SD card will stop getting updated with data. The only way that the board will stop streaming data is to receive an 's' over the serial connection. Even if

Yes I have tried to save to SD card, but because the software stops acquiring it also stops saving to the SD card. Is that suppose to happen? Or should the board continue saving to SD even when the ac

@tfnano have you tried to record the data to SD card?

It looks like the SD library is able to find the card, no problem, but it doesn't agree with the file system.Try reformatting the card. In the tutorial, I mention using the SD Associations SD formatte

I have been trying to write to the SD without any success. The  microSD card I have is a SanDisk 64 GB Class 10, UHS speed 1. I followed the steps of the tutorial and formatted the SD card using the S