4xADS131M08,
STM32H743ZI,
isolated USB, UART, SPI,
sd-card.
32 channels version of https://hackaday.io/project/181521-freeeeg128-alpha
4xADS131M08,
STM32H743ZI,
isolated USB, UART
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4xADS131M08,
STM32H743ZI,
isolated USB, UART, SPI,
sd-card.
32 channels version of https://hackaday.io/project/181521-freeeeg128-alpha
FreeEEG32-alpha131.csvComma-Separated Values - 4.51 kB - 10/19/2021 at 10:11 |
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gerber.zipZip Archive - 239.23 kB - 09/13/2021 at 23:04 |
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assembly.zipapplication/zip - 126.43 kB - 09/13/2021 at 23:04 |
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Hi Dmitry,
Great Project! I was wondering why did you choose the Ads131 front end rather than the Ads1298 or Ads1299? Do you know how they compare in terms of performance? It seems that the ADS131M08 has no shortage problems and I am thinking of using it for a similar EEG project. Thank you in advance!
Hello, I see that FreeEEG uses two different AFEs, ads131 and ad7771. Do they perform the same or which is better?
ads131m08 has less dynamic range, but has built-in highpass filter to deal with it.
it also has reducing noise technology leads to division sample rate by 3.
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Hello,
nice project, I am interested in making a 32-channel digitizer card with the ADS131M08, but before that I would like to know the maximum sampling rate you got on all channels in simultaneous reading and the format in which you pass the data from the card to the computer.