These days, most of us interface with our computing gadgets in the identical old school methods—by way of keyboards, mice, and touchscreens. The concept of a extra direct brain-to-machine interface stays interesting to many. [Ildar Rakhmatulin] and [Youssef El Abbass] have been engaged on simply such a tool, with an eye to using it for gaming.
The system is known as Octopus 16, so named as a result of it combines sixteen EEG electrodes right into a single compact bundle, together with the required frequent reference and floor. The contacts themselves are pogo pins, assembled right into a coin-sized cluster. The system is strapped to the top, pushing the contacts towards the scalp, and information from the electrodes is then siphoned off to a bunch machine by way of Bluetooth Low Energy. The EEG alerts are picked up with a pair of Texas Instruments ADS131M08 ADCs, every with 8 channels, with a decision of 24-bits to seize fantastic element in regardless of the mind is doing. An ESP32 microcontroller is liable for grabbing the ADC output and trucking it out over Bluetooth.
The rig is designed to be used with the PiEEG software program platform. The crew have experimented with the system, displaying it off through the use of the EEG alerts to detect a person’s focus state and using that to feed into simple game environments.
Ultimately, what has been proven to this point just isn’t so completely different from the outdated Force Trainer toy, however the design would possibly show helpful in case you’re trying into doing EEG experiments on a finances. Just do your due diligence to be sure to’re getting extra sign than noise out of these beautiful 24-bit ADCs. Video after the break.