William Croft writes in the www.openbci.com forum about PiEEG:
«The PiEEG has a Github I believe. AJ Keller’s project never produced any products beyond his prototype. Not sure if AJ even had the software to drive the board. PiEEG comes with software.
For safety reasons, any EEG system should be either battery powered, or comply with IEC 60601 medical standards. Neither of these board comply with 60601. Nor does OpenBCI, but those boards ARE battery powered. I would be cautious with the PiEEG design. Some previous noise measurements I’ve seen, imply that they may not be complying with Texas Instruments “star ground” / multi-plane design standards (shown in the data sheet). And PiEEG recommends you connect the Pi digital Ground pin to the client. (As a noise reduction workaround.)»
There are some similarities between the Neurosity Crown and PiEEG. The Neurosity Crown consists of as far as we know of:
- an OpenBCI Cyton module with modified size
- a repaired OpenBCI WIFI shield with modified size
- a single board computer such as the Raspberry Pi zero
PiEEG developer Ildar Rakhmatulin wrote he has spent several years with the development of PiEEG. He also gave instructions who to build your own device based on the ADS1299 EEG chip from Texas Instruments by ourself:
Also Peter Gamma from www.petergamma.org has spent several years investigating devices based on the ADS1299 EEG chip from Texas Instruments. This chip is not an abandoned prototype by Texas Instruments only used by some hobbyists in the www.openbci.com forum. Electronic engineers still use it to develop new EEG devices from. But most of the devices we have seen consist only of one or two ADS1299 EEG chips. But this chip has a great potential. Data from up to 97 EEG chips can be joined with daisy chain algorithms. And with PiEEG we suppose it is even easier. Can’t we build a device with as much EEG channels as we want from it if we are skilled enough?
Currently PiEEG seems to have issues with noise, if we look at the examples we have seen up to this date. But on the other hand PiEEG seems to be hardly tested, and we think it is worth testing it in depth. How issues with noise can be resolved, we previously made suggestions how to solve this:
https://petergamma.org/tag/pi-eeg
Information for product sellers who do stock market speculation and scalping with products mentioned by Peter Gamma on www.petergamma.org
**************************************************************************************
**************************************************************************************
According to the little experience of Peter Gamma from www.petergamma.org, many of the products listed here are still full of issues which need to be resolved. If you do stock market speculation and scalping with those, you will loose Peter Gamma from www.petergamma.org as a buyer of these products and as a reviewer. Is this not risky? Will you not loose a majority of your costumers as well?
And is it not so, that society in general does not accept stock market speculation and scalping with products as those which are listed here? And will you not be politically incapable of finding a majority of the voters if you do stock market speculation and scalping with these products?
And as a consequence will you not be condemned and punished by a political referendum soon? Especially if you do this to a Swiss, since are not majority of Swiss against stock market speculations and scalping with people on a budget? And people in Switzerland are known for a lot of political referendums, since we have direct democracy in this country.
And Peter Gamma from www.petergamma.org will fight up to the European Court of Human Rights against people who do stock market speculation and scalping with the products which are mentioned on www.petergamma.org. And if they do not have yet the legal basis there to do so, he will fight for it.
What is a scalping?
Scalping is a trading strategy in which an investor buys and sells a single asset multiple times throughout the day. The goal of a scalper is to make a small profit over a large number of small trades, rather than a huge profit on each individual trade.
What is a scalper?
A scalper is someone who buys something and resells it at a price far above the initial cost. For instance some says: “He got theater tickets through a scalper”: Someone who buys tickets to an event in order to resell them at a profit. And is it not also scalping if you take reviews from this site to make out of it a new product offer, and sell it for a higher price? We doubt that you will be successful with it. Since Peter Gamma will review your product and will user not come back to www.petergamma.org after that?