Photostimulator

burcudemirkundak · October 2020

Hi
this is Burcu, a user of all in one starter kit, 16 ch EEG. I want to use a photo stimulator with my EEG system. did anyone experienced any photo stimulator with Openbcı in sync. or have any solution for this purpose?
thank you

wjcroft · October 2020

Burcu, hi.

The common way to record synchronized EEG with external device trigger sources, is to use the External Trigger capability of Cyton. Be sure to use an opto-isolator as illustrated to separate the voltages in your stimulator from contact with the Cyton voltage levels.

https://docs.openbci.com/docs/02Cyton/CytonExternal

Regards, William

retiutut · October 2020

Here is the official tutorial sharing how to use a photoresistor to do time-locked experiments with the Cyton and Cyton+Daisy:

https://docs.openbci.com/docs/07Examples/VideoExperiment

burcudemirkundak · October 2020

@wjcroft said:
Burcu, hi.

The common way to record synchronized EEG with external device trigger sources, is to use the External Trigger capability of Cyton. Be sure to use an opto-isolator as illustrated to separate the voltages in your stimulator from contact with the Cyton voltage levels.

https://docs.openbci.com/docs/02Cyton/CytonExternal

Regards, William

thank you William !

burcudemirkundak · October 2020

@retiutut said:
Here is the official tutorial sharing how to use a photoresistor to do time-locked experiments with the Cyton and Cyton+Daisy:

https://docs.openbci.com/docs/07Examples/VideoExperiment

thank you @retiutut it is helpful !

Photostimulator

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