brainwave starter kit- brain computer interface
DESCRIPTION
Brainwave starter Kit- Brain computer interface for Educational Engineering ProjectsTRANSCRIPT
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Brain Wave Starter Kit
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BCI-Brain Computer Interface
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Applications Using BCI
• Produce a two dimensional Electroencephalogram (EEG) controller for widespread application– Mechanical arm– Hands free light for Dentist– Wheel Chair
Adapted from www.toysrus.com Adapted from www.fotosearch.com/bthumb
http://blogs.static.mentalfloss.com
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Project Overview
http://www.ipmc.cnrs.fr www2.latech.edu
Measure Brain Activity (EEG)
Translate into signal usable by a device (wheelchair, robotic arm, etc)
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DATA ACQUISITON
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ELECTRODE PLACEMENT
Letter for regionF - Frontal LobeT - Temporal LobeC - CenterO - Occipital Lobe
Number for exact positionOdd numbers - leftEven numbers - right
ELECTRODE PLACEMENT FOR 10-20 SYSTEM [spaced apart 10-20%]
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BRAIN WAVESType Frequency Location Use
Delta <4 Hz everywhere occur during sleep, coma
Theta 4-7 Hz temporal and parietal
correlated with emotional stress(frustration & disappointment)
Alpha 8-12 Hz occipital and parietal reduce amplitude with sensory stimulation or mental imagery
Beta 12-36 Hz parietal and frontal can increase amplitude during intense mental activity
Mu 9-11 Hz frontal (motor cortex)
diminishes with movement or intention of movement
Lambda sharp, jagged
occipital correlated with visual attention
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MINDWAVE MOBILE
BRAIN SENSOR
EAR CLIP
BATTERY
TGAM MODULE
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HEADSET PLACEMENT
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FEATURES• Single Sensor on FP1 • Can detect multiple mental states
simultaneously• Reference electrode on Ear clip to remove
ambient noises• IP involves noise cancellation and signal
amplification• Provides EMG feature for Eye Blink detection
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SPECIFICATIONS
• Bluetooth ™ Wireless communication• Passive Dry Sensor EEG• Single AAA battery • 10 Hours Run Time
eSense Brainwave Patterns: • Attention• Meditation• Eye Blink• Frequency Bands: 0.5 to 50Hz
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THINKGEAR
•TGAM MODULE offers e-Sense technology•Outputs Attention, Meditation and Physical eye blinks from raw EEG data•2.79cm x 1.52cm x 0.25cm, weighs 130mg •Communicates through UART interface at baudrate 1200, 9600 or 57600
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SUPPORTED PLATFORMS
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MIND-BOT
SPECIFICATIONS:• Micro Controller : 8051• ZIGBEE MODULE-Frequency : 2.3 Ghz• Attention level < 65 ------ STOP • Attention level > 65 ------ START• Baud rates available at 1200, 9600 ,57600 or
115200
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Project Overview
http://www.ipmc.cnrs.fr
www2.latech.edu
Measure Brain Activity (EEG)
Translate into signal usable by a device (wheelchair, robotic arm, etc)
![Page 16: Brainwave starter Kit- Brain computer interface](https://reader036.vdocuments.net/reader036/viewer/2022062312/5553c2bfb4c905d9448b541b/html5/thumbnails/16.jpg)
NeuroSky
• NeuroSky chip output– DC Motor Control
• Pulse width Modulation
Fan HighFan MediumFan Off
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Neurosky
• Increase Brain Activity
• Increase Pulse Width
Fan High
http://www.ipmc.cnrs.fr
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MINDBOT
BLUETOOTH
UART
UART
ZIGBEE MODULE
SENSES ATTENTION LEVEL
BLUETOOTH RFCOMM SERIAL PORT
ZIGBEE MODULE
8051 CONTROLLER WHEEL CONTROL
BOT
uses ‘SERIAL’ functionTX COMMAND
HEADSET
RX COMMAND
CONTROLS MOTOR BASED ON COMMAND
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APPLICATIONS-Continued..
• Portable medical applications• Motor speed control• Drowsy driver detection• Light intensity control• Music play based on mind state• Mind gaming• Sports [ready zone analyser]•