Peter Gamma from www.petergamma.org has reviewed a lot about products based on the ADS1299 EEG chip from Texas Instruments in recent years. HackEEG came onto the market and disappeared, OpenBCI modules started selling on eBay and Aliexpress, and now we have PiEEG on Elecrow. The community of ADS1299 EEG chip users and developers is small. …