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  • Kaushal r commented on jgrecoarroyo's instructable EEG - Brain Computer Interface5 months ago
    EEG - Brain Computer Interface

    I have created a similar kind of ciruit but i am having trouble connecting the electrodes properly to my skull. I am using a bandana directly to hold the electrode in place but i have only got the circuit working that way once so far. I have also created an elastic band but i dont get any signal out of it. I dont know why this happening.Also im using these electrodes. And im trying to capture alpha and beta waves so i connecting the electrodes at fp2 and o2 position.Can you give any advice on how to connect them properly? Should i be using insulation tape? And how tightly they should be held against the skull? Just touch the skull or hold it very tightly that i get rashes ?? Thanks Please check the images to see how the electrodes look and how i have wrapped the bandana and stuck anothe...

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    I have created a similar kind of ciruit but i am having trouble connecting the electrodes properly to my skull. I am using a bandana directly to hold the electrode in place but i have only got the circuit working that way once so far. I have also created an elastic band but i dont get any signal out of it. I dont know why this happening.Also im using these electrodes. And im trying to capture alpha and beta waves so i connecting the electrodes at fp2 and o2 position.Can you give any advice on how to connect them properly? Should i be using insulation tape? And how tightly they should be held against the skull? Just touch the skull or hold it very tightly that i get rashes ?? Thanks Please check the images to see how the electrodes look and how i have wrapped the bandana and stuck another electrode in there

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  • Kaushal r commented on cah6's instructable DIY EEG (and ECG) Circuit7 months ago
    DIY EEG (and ECG) Circuit

    What will happen if i increase the gain of the instrumentation amplifier by 1000 factor?Would it affect my frequency and how should i reduce the input offset at this point since the input can be as low as 10u volt and the input offset given in the datasheet is 30 u volt??

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