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Forum how to control several motors with arduino and emotiv epoc?(i need immediate help plz!!!)
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how to control several motors with arduino and emotiv epoc?(i need immediate help plz!!!)

Former Member
Former Member over 13 years ago

hi everyone,

 

 

so basically the first thing im trying to do is connect the Emotiv epoc to an arduino,then connect the arduino to all the motors,someone told me that i have to add things to the arduino to make it work with all the motors,then a program called processing is used to send commands or whatever to the arduino,so what i know is i have to make a code so that the arduino can understand what is coming from processing.if someone out there knows how to work with the emotiv epoc then thatll be very useful.

 

the amount of motors and what i want them to do:

 

motor 1:  2 directions

motor 2:  1 direction

motor 3:  1 direction

servo  1:  1 direction

 

what i want to do/get help in:i want to get processing to work with arduino from the emotiv epoc,then possibly try and get the the arduino to work with those motors(someone told me id have to use more than 1 uno?)

 

anyway,so if someone undertands what i am trying to do then please help me because this is a project which i shall be entering into a competition,if you are good with hacking and coding the arduino then please contact me with your number os we may talk because sometimes i have problems understanding and getting other people to understand what i want to do.if you live anywhere in or near dallas then please contact me.

 

for those who dont know what the emotiv epoc is,it is a headset which reads your brainwaves.

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  • Robert Peter Oakes
    Robert Peter Oakes over 10 years ago +1
    An uno has limited RAM and FLASH for programs to be stored in but can easily control 4 motors but to handle EPOCH may not be within its capabilities, An Arduino MEGA2560 though would be more capapable…
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  • Ramu
    Ramu over 12 years ago

    I do not know anything about emotiv epoc.

    As for motors, do you need do controll theyr speed? or just direction? Servo can be pluged directly to arduino (it is esyer to use servo shield or to make your own).

    As for motors you can't connect them directly to arduino. what voltage and what pover motors have to be?

    If you need only one direction and no speed control, you can control ir with one transistor or mosfet wit few transistors and resistors for driving MOSFET and you need a fast diode for mosfet protection. Something like this: https://arduino-info.wikispaces.com/file/view/shapeimage_3.png/215393928/shapeimage_3.pnghttps://arduino-info.wikispaces.com/file/view/shapeimage_2.png/215393640/shapeimage_2.png

    But if mottor power is not too big you can use (realy easy to connect, has a good pover) http://www.ebay.com/itm/1PCS-HW-01-Stepper-Motor-Drive-Controller-Board-Module-L298N-for-arduino-/121032507266?pt=LH_DefaultDomain_0&hash=item1c2e197f82 I like this, because it is cheap,  can pover from 5 - 35V DC mottor, and max curent is 2A. By the way it has ENB pins, if you need to control the speed, you can use arduino PWM pin to ajust mottor speed, and direction changes with IN? pins. And one schematic can control 2 DC ore 1 stepper motor.

    About arduino, If you will not control anu other device, I think Uno is OK. Just advantage of arduino mega is, that it has more then one serial port and you can debug what is happining over serial to USB port and get comands from emotiv epoc over other serial port (if it is how you can send data from it). Do not forget, it ir has ot UART (TTL) but RS-232RS-232, You need to use max232 chip. and if it uses pc for processing data, then you can send commands to arduino over USB - serial.

    If you have more questions please ask, I'll try to help If I can.

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  • Ramu
    Ramu over 12 years ago in reply to Ramu

    Does this emotiv epoc realy works for paralyzed ppl to? Or its more like from moving youre face musculs? Mind controlling devices have realy good oportunity, especialy to peaple hoo can't move freely.

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  • Former Member
    Former Member over 12 years ago in reply to Ramu

    it can work with facial expressions and thoughts.

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  • Ramu
    Ramu over 12 years ago in reply to Former Member

    Nice.

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  • Former Member
    Former Member over 10 years ago in reply to Ramu

    yes, it work both with thoughts and facial muscles. I have tested one project for a partial paralysed patient and it can work wonders with some practice

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  • Former Member
    Former Member over 10 years ago in reply to Ramu

    yes, it work both with thoughts and facial muscles. I have tested one project for a partial paralysed patient and it can work wonders with some practice

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