eeg circuit

[mshh]

could you help me?
i made eeg circuit and i did simulation for it and it going well
but in practical i cant take signal
i use 3 electrodes
2 inputs and one reference
i cant see the signal even after the instrumentation amplifier
just noise or sine wave

[yrenard]

Dear mshh,

your message does not look clear to me. OpenViBE is not about hardware. It is just a software. If you built and EEG acquisition device yourself, you should know how to get data from it.

I'm afraid we can't help
Best regards,
Yann Renard