Serial port trigger for EEG

anna2523 · February 2022

Hello,

I would like to present a lexical decision task for my experiment and get a trigger for each of my stimulus and each subjects reaction on an EEG signal. I will use an active LiveAmp system which have a serial port only.

I don't get an error but neither the triggerbox send trigger...The triggerbox is working when I do a test with the corresponding app of the triggerbox.

How can I instal the serial port plug in??

I am using Opensesame 3.3.10.

Thanks for your help

Regards

-> Load trigger

-> Item trigger

-> condition trigger

-> response trigger

bilancino · February 2022

Dear Anna,

your code seems fine to me

I have this one (https://shop.neurospec.com/mmbt-s-trigger-interface-box) the Pink one : )

And I use this code

#inizializzazione, controlla la porta Arduino in gestionePC
import serial
serial_port = serial.Serial('COM3')
serial_port.write(bytes(0, 'UTF-8'))

in the cycle

serial_port.write(bytes(chr(var.ItemNr), 'UTF-8')))

anna2523 · February 2022

Thanks!

Now it works!

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Serial port trigger for EEG

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Serial port trigger for EEG

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