If anyone is interested, I'm actually in the process of launching a similar board. Much lower noise (by about 5x, custom AFE), tuned for load cells, 4 simultaneous-sampling channels.
You can get nearly as good source reconstruction with 16 channels as with 32 channels after MEMD, and even 8 channels under MEMD performs nearly as well as raw MSP 32-channel array.
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[ 3.1 ms ] story [ 28.4 ms ] threadTexas Instruments ADS1299 (24-bit, 8-channel) analog-digital converter
There is no way to do what that chip does for less, maybe 7$ less but then not as good. They have priced it perfectly and I hate them for it.
https://www.digikey.com/en/products/detail/texas-instruments...
Show HN: Open-Source 8-Ch BCI Board (ESP32 and ADS1299 and OpenBCI GUI) - https://news.ycombinator.com/item?id=46502051 - Jan 2026 (21 comments)
https://github.com/Cerelog-ESP-EEG/ESP-EEG/issues/1
A quick look over the other links looks like they're okay, follow them instead for the moment.
https://www.frontiersin.org/journals/neuroscience/articles/1...