Neuro Sky Technology

8/11/2019 Neuro Sky Technology

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NEUROSKY TECHNOLOGY

AProject Seminar Report

Submitted in partial fulfillment of theRequirements for the Project Seminar of

BACHELOR OF ENGINEERING

IN

COMPUTER SCIENCE & ENGINEERING

By

M.TEJASRI

(1602-11-733-06!

"#$%'#)' *+ C*$,'#

S#)# & E)/)##)/

%% C*#/# *+ E)/)##)/

(A++%'#4 '* O%)% U)#'5!

I%%/8 H54#%%4-31

2019

TABLE OF CONTENTS


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List of i!ures""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""i#1.I)'*4,'*)""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""11"1Brain $omputer Interface %B$I&""""""""""""""""""""""""""""""""""""""""""""""""""11"2'istory"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" """21"()hat is **+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""21",Physical -echanisms"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""(1".Brain eatures"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""",1"/ Brain )a#es""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""/2.N#,*S:5 M)4S#'.......................................................................72"1NeuroS0y echnolo!y #er#ie3"""""""""""""""""""""""""""""""""""""""""""""""""42"2Brain3a#es""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""42"( hin0 +ear""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""52",hin0+ear 6ata 7alues""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""52". Poor Si!nal 8uality"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""5

2"/eSense"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""192":eSense -eter ; +eneral Information""""""""""""""""""""""""""""""""""""""""""""192"4eSense -eter ; echnical 6escription""""""""""""""""""""""""""""""""""""""""""112"5 A*NIN eSense"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""112"19-*6IAIN eSense""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""112"11RA) )a#e 7alue %1/;bit&""""""""""""""""""""""""""""""""""""""""""""""""""""""""""112"12ASI$ **+ P)*R"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""112"1(Blin0 Stren!th"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""123.T): G#% P%:#'.......................................................................12("1Pac0et Structure""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""1(("2Pac0et 'eader"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""1(("(6ata Payload"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""1((",Payload $hec0sum""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""1,9.;%' $5% *$,')/


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LIST OF FIGURES

1"(+eneral structure of B$I system""""""""""""""""""""""""""""""""""""""""""""""(1".6istribution of sensors"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""".1"/unction of brain""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""":1":he brain 3a#es""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""42"Neuros0y mindset"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""5("(#er#ie3 of mindset""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""1,,"(6i!ital i


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N#,*S:58 I).is a manufacturer ofBrain;$omputer Interface%B$I& technolo!ies for

consumer product applications? 3hich 3as founded in 299, in Silicon

7alley?$alifornia"he $ompany adapts electroencephalo!raphy%**+&

and electromyo!raphy%*-+& technolo!y to fit a consumer mar0et 3ithin a number of

fields such as entertainment %toys and !ames&? education? automoti#e? and health"NeuroS0y technolo!y allo3s for lo3;cost **+;lin0ed research and products by usin!

ine=pensi#e dry sensors@ older **+s require the application of a conducti#e !el bet3een

the sensors and the head" he systems also include built;in electrical noise reduction

soft3are


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results" -ore sophisticated measurin! de#ices? such as the Siemens double;coil recordin!!al#anometer? 3hich displayed electric #olta!es as small as one ten thousandth of a #olt?led to success" Ber!er analyCed the interrelation of alternations in his **+ 3a#e dia!rams3ith brain diseases" **+s permitted completely ne3 possibilities for the research ofhuman brain acti#ities"

1.3;%' EEG =

An electroencephalo!ram is a measure of the brainEs #olta!e fluctuations as detectedfrom scalp electrodes"It is an appro=imation of the cumulati#e electrical acti#ity ofneurons" *lectroencephalo!raphy %**+& is the most studied potential non;in#asi#einterface? mainly due to its fine temporal resolution? ease of use? portability and lo3 set;up cost" But as 3ell as the technolo!yEs susceptibility to noise? another substantial barrierto usin! **+ as a brainDcomputer interface is the e=tensi#e trainin! required before users

can 3or0 the technolo!y" or e=ample? in e=periments be!innin! in the mid;1559s? NielsBirbaumer at the>ni#ersity of Fbin!en in +ermany trained se#erely paralysed people toself;re!ulate the slo3 cortical potentials in their **+ to such an e=tent that these si!nalscould be used as a binary si!nal to control a computer cursor" %Birbaumer had earliertrained epileptics to pre#ent impendin! fits by controllin! this lo3 #olta!e 3a#e"& hee=periment sa3 ten patients trained to mo#e a computer cursor by controllin! theirbrain3a#es" he process 3as slo3? requirin! more than an hour for patients to 3rite 199characters 3ith the cursor? 3hile trainin! often too0 many months"


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1.9P5% M#%)= **+s require electrodes attached to the scalp 3ith stic0y !el " Require physicalconnection to the machine"

1.E#'*4# P%##)'=

-Standard 19;29 System;Spaced apart 19;29G;Letter for re!ion;;frontal lobe;;temporal lobe;$;center

;;occipital lobe;Number for e=act positionH;odd numbers%left&;e#en numbers%ri!ht&


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1.6B%) F#%',#=

>ser must be able to control the outputH

>se a feature of the continuous **+ output that the user can reliably modify %3a#es&? or*#o0e an **+ response 3ith an e=ternal stimulus %e#o0ed potential&"

1.6.1 A'#',# *+ '# B%)=

he humanbrainis made up of billions of interconnected neurons@ the patterns of

interaction bet3een these neurons are represented as thou!hts and emotional states" *#ery

interaction bet3een neurons creates a minuscule electrical dischar!e@ alone these char!es

are impossible to measure from outside the s0ull" 'o3e#er? the acti#ity created by

hundreds of thousands concurrent dischar!es a!!re!ates into 3a#es 3hich can be

measured"

6ifferent brain states are the result of different patterns of neural interaction" hese

patterns lead to 3a#es characteriCed by different amplitudes and frequencies@ for e=ample

3a#es bet3een 12 and (9 hertC? Beta )a#es? are associated 3ith concentration 3hile

3a#es bet3een 4 and 12 hertC? Alpha )a#es? are associated 3ith rela=ation and a state of

mental calm" %he contraction of muscles is also associated 3ith unique 3a#e patterns?

isolatin! these patterns is ho3 some NeuroS0y de#ices detect blin0s"&
http://en.wikipedia.org/wiki/Brainhttp://en.wikipedia.org/wiki/Neuronshttp://en.wikipedia.org/wiki/Brainhttp://en.wikipedia.org/wiki/Neurons


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All electrical acti#ity produces these 3a#es %e#en li!ht bulbs&? thus all electrical de#ices

create some le#el of ambient noise@ this noise interferes 3ith the 3a#es emanatin!

from the brain? this is 3hy most **+ de#ices 3ill pic0 up readin!s e#en if they are not

on a persons head" -easurin! mental acti#ity throu!h these 3a#es is li0e tryin! to

ea#esdrop on a con#ersation at a loud concert" In the past? **+ de#ices circum#ented thisproblem by measurin! these si!nals in en#ironments 3here electrical acti#ity is strictly

controlled and increasin! the si!nal stren!th of the data comin! from the brain throu!h

the application of a conducti#e solution

$ontrary to popular simpliJcations? the brain is not a !eneral;purpose computer 3ith auniJed central processor" Rather? it is a comple= assembla!e of competin! sub;systems?each hi!hly specialiCed for particular tas0s %$arey 2992&" By studyin! the effects of braininjuries and? more recently? by usin! ne3 brain ima!in! technolo!ies? neuroscientistsha#e built detailed topo!raphical maps associatin! different parts of the physical brain

3ith distinct co!niti#e functions" he brain can be rou!hly di#ided into t3o main partsHthe cerebral corte= and sub;cortical re!ions" Sub;cortical re!ions are phylo!eneticallyolder and include a areas associated 3ith controllin! basic functions includin! #italfunctions such as respiration? heart rate? and temperature re!ulation? basic emotional andinstincti#e responses such as fear and re3ard? reKe=es? as 3ell as learnin! and memory"he cerebral corte= is e#olutionarily much ne3er"Since this is the lar!est and mostcomple= part of the brain in the human? this is usually the part of the brain people noticein pictures" he corte= supports most sensory and motor processin! as 3ell as hi!herle#el functions includin! reasonin!? plannin!? lan!ua!e processin!? and patternreco!nition" his is the re!ion that current B$I 3or0 has lar!ely focused on"

1.7B%) ;%#=

G#)#%5 /*,$#4 5 +#>,#)5= (%$',4# %# %*,' 100? %@!.


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2.NEUROSKY MIN"SET=

he

NeuroS0y -indSet is a brain3a#e sensin! headset 3hich uses a medical !rade probe tocapture brain patterns and translate them into stuff you can do 3ith a computer"

'o3e#er? most people dont ha#e rooms in their house de#oid of electronic de#ices nor

do they 3ant to apply a conducti#e liquid to their head e#ery time they use a B$I de#ice"

NeuroS0y has de#eloped comple= al!orithmsbuilt into their products 3hich filter out this

noise" %?only in reference to the noise bit&
http://en.wikipedia.org/wiki/Algorithmhttp://en.wikipedia.org/wiki/Algorithm


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NeuroS0ys 3hite paper claims the hin0 +ear technolo!y has been tested at 5/G as

accurate as that 3ithin research !rade **+s"

NeuroS0y is also sellin! non;contact sensors to research institutions" hese are

dry electrodesthat can measure brain3a#es millimeters from the scalp and thus can easily

be 3orn o#er hair"hese sensors are a si!nificant technolo!ical brea0throu!h in that theyare the only non;contact **+ sensors e#er de#eloped

2.1N#,*S:5 T#)**/5 O##=

B%)%#=

he last century of neuroscience research has !reatly increased our 0no3led!e about thebrain and particularly? the electrical si!nals emitted by neurons firin! in the brain" the

patterns and frequencies of these electrical si!nals can be measured by placin! a sensoron the scalp" the -indSet contains NeuroS0y thin0+earM technolo!y? 3hich measuresthe analo! electrical si!nals? commonly referred to as brain3a#es? and processes theminto di!ital si!nals to ma0e the measurements a#ailable to !ames and applications" thetable belo3 !i#es a !eneral synopsis of some of the commonly;reco!niCed frequenciesthat tend to be !enerated by different types of acti#ity in the brainH
http://en.wikipedia.org/wiki/Electrodeshttp://en.wikipedia.org/wiki/Electrodes


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2.2T):G#%=

hin0+ear is the technolo!y inside e#ery NeuroS0y product or partner product thatenables a de#ice to interface 3ith the 3earers brain3a#es" It includes the sensor thattouches the forehead? the contact and reference points located on the ear pad? and the on;board chip that processes all of the data" Both the ra3 brain3a#es and the eSense -eters

%Attention and -editation& are calculated on the thin0 +ear chip"hin0 +ear 6ata 7aluesH2.3P** /)% >,%'5=

this unsi!ned one;byte inte!er #alue describes ho3 poor the si!nal measured by the thin0+ear is" It ran!es in #alue from 9 to 299" Any non;Cero #alue indicates that some sort ofnoise contamination is detected" the hi!her the number? the more noise is detected" A#alue of 299 has a special meanin!? specifically that the thin0 +ear contacts are nottouchin! the userEs s0in" this #alue is typically output e#ery second? and indicates thepoorness of the most recent measurements" Poor si!nal may be caused by a number ofdifferent thin!s" In order of se#erity? they areH Sensor? !round? or reference contacts not bein! on a personEs head %i"e" 3hen nobody is

3earin! the thin0 +ear&" Poor contact of the sensor?!round ? or reference contacts to a personEs s0in %i"e" hair inthe 3ay? or headset 3hich does not properly fit a personEs head? or headset not properlyplaced on the head"& *=cessi#e motion of the 3earer %i"e" mo#in! head or body e=cessi#ely? jostlin! theheadset&" *=cessi#e en#ironmental electrostatic noise %some en#ironments ha#e stron! electricsi!nals or static electricity buildup in the person 3earin! the sensor&" *=cessi#e non;**+ biometric noise %i"e" *-+? *O+


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the eSense meters are a 3ay to sho3 ho3 effecti#ely the user is en!a!in! Attention%similar to concentration& or -editation %similar to rela=ation&" Li0e e=ercisin! anunfamiliar muscle? it may ta0e some time to !ain full proficiency 3ith each of theeSenseM meters" In many cases? people tend to be better at one eSense than the other3hen they first be!in" )e recommend tryin! different tactics until you are successful

3ith one" nce you see a reaction on the screen from your efforts? you 3ill be able toduplicate the action more easily 3ith additional practice" +enerally? Attention can becontrolled throu!h a #isual focus" ocus on a sin!ular idea" ry to funnel yourconcentration and focus your train of thou!ht to3ards pushin! up the meter" thersu!!estions include pic0in! a point on the screen to stare at or ima!inin! the action youare tryin! to accomplish happenin!" or e=ample? loo0 at the Attention eSense meter andima!ine the dial mo#in! to3ards hi!her numbers"

or -editation? it typically helps to try to rela= yourself" $onnect to a sense of peace andcalm by clearin! your mind of thou!hts and distractions" If you are ha#in! difficultyen!a!in! -editation? close your eyes? 3ait a number of seconds? and then open your eyes

to see ho3 the meter has responded" If you ha#e trouble at first in controllin! your eSensemeter le#els? be patient" ry different techniques and practice" Also be sure to read and tryto understand the echnical 6escription in order to !et a better idea about ho3 eSenseactually 3or0s under the hood"

2.#S#)# M#'# - T#)% "#$'*)=or each different type of eSense %i"e" Attention? -editation&? the meter #alue is reportedon a relati#e eSense scale of 1 to 199" n this scale? a #alue bet3een ,9 to /9 at any!i#en moment in time is considered neutral and is similar in notion to baselines thatare established in con#entional brain3a#e measurement techniques %thou!h the methodfor determinin! a thin0+ear baseline is proprietary and may differ from con#entionalbrain3a#es&" A #alue from /9 to 49 is considered sli!htly ele#ated? and may beinterpreted as le#els tendin! to be hi!her than normal %le#els of Attention or -editationthat may be hi!her than normal for a !i#en person&" 7alues from 49 to 199 are consideredele#ated? meanin! they are stron!ly indicati#e of hei!htened le#els of that eSense"Similarly? on the other end of the scale? a #alue bet3een 29 to ,9 indicates reducedle#els of the eSense? 3hile a #alue bet3een 1 to 29 indicates stron!ly lo3ered le#els ofthe eSense" these le#els may indicate states of distraction? a!itation? or abnormality?accordin! to the opposite of each eSense" the reason for the some3hat 3ide ran!es foreach interpretation is that some parts of the eSense al!orithm are dynamically learnin!and at times employ some slo3;adapti#e al!orithms to adjust to natural fluctuationsand trends of each user? accountin! for and compensatin! for the fact that brain3a#es inthe human brain are subject to normal ran!es of #ariance and fluctuation" this is part ofthe reason 3hy thin0+ear sensors are able to operate on a 3ide ran!e of indi#iduals underan e=tremely 3ide ran!e of personal and en#ironmental conditions? 3hile still !i#in!!ood accuracy and reliability"

2.6A''#)'*) ##)#=

he eSense Attention meter indicates the intensity of a userEs le#el of mental focus orattention? such as that 3hich occurs durin! intense concentration and directed %but


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3.T):G#% P%:#'=hin0 +ear components deli#er their di!ital data as an asynchronous serial stream ofbytes" the serial stream must be parsed and interpreted as thin0+ear Pac0ets in order toproperly e=tract and interpret the thin0+ear 6ata 7alues described in the chapter abo#e" A

thin0+ear Pac0et is a pac0et format consistin! of ( partsH1" Pac0et 'eader2" Pac0et Payload(" Payload $hec0sum

hin0 +ear Pac0ets are used to deli#er 6ata 7alues %described in the pre#ious chapter&from a thin0 +ear module to an arbitrary recei#er %a P$? another microprocessor? or anyother de#ice that can recei#e a serial stream of bytes&" Since serial I


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consecuti#e QSXN$ bytes to appear 3ithin a Pac0et %leadin! to a parser attemptin! tobe!in parsin! the middle of a Pac0et as the be!innin! of a Pac0et& the QPL*N+' andQ$'OS>- combined ensure that such a Zmis;syncEd Pac0etZ 3ill ne#er be accidentallyinterpreted as a #alid pac0et %see Payload $hec0sum belo3 for more details&" theQPL*N+' byte indicates the len!th? in bytes? of the Pac0etEs 6ata Payload

QPAXLA6Y section? and may be any #alue from 9 up to 1/5" Any hi!her #alueindicates an error %PL*N+' LAR+*&" Be sure to note that QPL*N+' is thelen!th of the Pac0etEs 6ata Payload? N of the entire Pac0et" the Pac0etEs completelen!th 3ill al3ays be QPL*N+' V ,"6ata PayloadHthe 6ata Payload of a Pac0et is simply a series of bytes" the number of 6ata Payloadbytes in the Pac0et is !i#en by the QPL*N+' byte from the Pac0et 'eader" theinterpretation of the 6ata Payload bytes into the thin0 +ear 6ata 7alues is defined indetail in the 6ata Payload Structure section belo3" Note that parsin! of the 6ata Payloadtypically should not e#en be attempted until after the Payload $hec0sum ByteQ$'OS>- is #erified as described in the follo3in! section"

3.3P%5*%4 C#:,=he Q$'OS>- Byte must be used to #erify the inte!rity of the Pac0etEs 6ata Payload"the PayloadEs $hec0sum is defined asH1" summin! all the bytes of the Pac0etEs 6ata Payload2" ta0in! the lo3est 4 bits of the sum(" performin! the bit in#erse %oneEs compliment in#erse& on those lo3est 4 bits A recei#errecei#in! a Pac0et must use those ( steps to calculate the chec0sum for the 6ata Payloadthey recei#ed? and then compare it to the Q$'OS>- $hec0sum Byte recei#ed 3ith thePac0et" If the calculated payload chec0sum and recei#ed Q$'OS>- #alues do notmatch? the entire Pac0et should be discarded as in#alid" If they do match? then therecei#er may procede to parse the 6ata Payload as described in the Z6ata PayloadStructureZ section belo3"


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9.;%' I P5% C*$,')/SB ports from shorts ando#ercurrent" If more than .99 mA is applied to the >SB port? the fuse 3ill automaticallybrea0 the connection"

9.9T# S*+'%# (I"E!

he I6* %Inte!rated 6e#elopment *n#ironment& is a special pro!ram runnin! on yourcomputer that allo3s you to 3rite s0etches for the Arduino board in a simple lan!ua!emodeled after the Processin! %333"processin!"or! & lan!ua!e" he ma!ic happens 3henyou press the button that uploads the s0etch to the boardH the code that you ha#e 3ritten istranslated into the $ lan!ua!e %3hich is !enerally quite hard for a be!inner to use&? and ispassed to the a#r;!cc compiler? an important piece of open source soft3are that ma0es the


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final translation into the lan!ua!e understood by the microcontroller" his last step isquite important? because its 3here Arduino ma0es your life simple by hidin! a3ay asmuch as possible of the comple=ities of pro!rammin! microcontrollers"

F#%',# *+ '# A4,)* (I"E! =

Simple to use pen Source %ree& Pro!rammin! style similar to $ Xou can do3nload it from 333"arduino"cc


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I)'%)/ A4,)* *) Y*, C*$,'#o pro!ram the Arduino board H you must first do3nload the de#elopment en#ironment%the I6*& from hereH333"arduino"cc


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opened ne3 possibilities for the remote monitorin! patients acti#ity a !reat benefit in

patient care"

M)4 K' & M)4 S#'=he -ind Set %referred to as the -ind Oit in early press releases&

3as NeuroS0ys first direct to consumer product" )ith a number of prototypes sold in

299:"he -ind Set 3as the first direct to consumer B$I product under ]1999 e#er made"he -indSet consisted of headphones 3ith three sensors on one ear piece and another on

a fle=ible arm comin! off of the headphones that sat on the forehead" he headphones had

a 3ireless Bluetooth connection and came 3ith a small Bluetooth don!le" he first non;

prototype models 3ere sold for ]155"

N*)-C*)'%' S#)*=NeuroS0y is currently sellin! a Non;$ontact system to research

institutions" his system is based on se#en dry electrodes that can measure brain3a#es

millimeters from the scalp and thus can easily be 3orn o#er hair"hese sensors are a

si!nificant technolo!ical brea0throu!h in that they are the only non;contact **+ sensors

e#er de#eloped" hese sensors ha#e been effecti#ely used 3ith SS*7P %steady;state

#isually e#o0ed potential& allo3in! a de#ice incorporatin! them to tell 3hich object? out

of a set !roup of objects? the 3earer is loo0in! at"NeuroS0y has not released any

consumer products usin! these sensors nor has it announced that it is intendin! to"

P# M)4K'=In early press releases at least four different pre;-indOit de#ices can be

seen? none of these 3ere sold to the public and none of the articles mention names for the

models"

9.7E@%$#=

M)4+#@=he -indle= 3as produced in conjunction 3ith -attel and released for the

2995 $hristmas season" It is a !ame in 3hich players lift a ball by concentratin! and

mo#e it throu!h a maCe" he concentration le#els are measured by a headset usin!

NeuroS0y technolo!y 3hich 3irelessly interfaces 3ith a platform that floats the ball

throu!h the use of a fan 3hich 3as mo#ed around the course in a circle by a dial@%this

platform 3as based on a pre#ious -attel toy? the 'arry Potter SorcererEs Stone

*lectronic Le#itatin! $hallen!e Board +ame&"he -indle= allo3ed the player to

modify the course by stic0in! plastic obstacles in pe! holes at different locations and 3as

prepro!rammed 3ith . !ames as 3ell as multiplayer options"he !ame 3as a

phenomenal successand one of the best sellers of the $hristmas season@in fact? -attel

sold out its entire stoc0 fi#e 3ee0s after launch"

S'% ;%F*# T%)#=he Star )ars orce rainer 3as produced in conjunction

3ith >ncle -ilton inc" and released for the 2995 $hristmas season %it 3as released for

pre;sale midni!ht ^uly 2(? 2995&"It is a !ame in 3hich players lift a ball by concentratin!"
http://en.wikipedia.org/wiki/Mindflexhttp://en.wikipedia.org/wiki/Star_Warshttp://en.wikipedia.org/wiki/Force_Trainerhttp://en.wikipedia.org/wiki/Mindflexhttp://en.wikipedia.org/wiki/Star_Warshttp://en.wikipedia.org/wiki/Force_Trainer


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EAMPLES=

i!:" An **+ recordin! net" Qiii


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(2

his is a mind set !amecalled as M)4 F#@

'ere there is a race!oin! on 3here the

players arecontrollin! the speedof the carts by usin!the neuro mind set"


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.C*),*) %)4 +,',# *:H

I) '# #4,%'*)% ,#=In this project 3e can use a #oice reco!nition to send the function of mo#ement byspeech and use Neruos0y to control the speed">se the *moti#e *Boo0 to control the directions of the robot by usin! malty sensors to

ma0e all the directions and the speed by the brain si!nals " >se the brain computer interface to control the robotic Arm by Neruos0y or *moti#e*Boo0"

I) '# #)'#'%)#)' ,#=

-a0e an intelli!ence #ideo !ames By usin! malty sensors you can ma0e a brain bro3ser"

Neuro Sky Technology

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