While EEG research might help you figure out extrasensory perception, we won’t be betting on it. However, if you want to read EEG data and use an ESP32, [Cerelog-ESP-EEG] might be the right project for you. The commercial project is an 8-channel biosensing board suitable for EEG, EMG, ECG, and brain-computer interface studies. However, the company says, “We love the hacker community! We explicitly grant permission for Personal & Educational Use.” We love you too.
They do require you to agree not to sell boards you are building, and they give you schematics, but no PC board layout. That’s understandable, although we’d guess that achieving good results will require understanding how to lay out highly sensitive circuits.
What you do get is the schematic and the firmware source. They note that you may have to modify the firmware if you want to switch modes, change gain, or enable haptic feedback, among other things. At the application layer, the device is compatible with Lab Streaming Layer, and there is a fork of OpenBCI (brain control interface) that understands how to talk to the board.
Even if you don’t want to directly clone the device, there’s a ton of information here if you are interested in EEG or any other small signal acquisition. We’ve seen a number of interfaces like this, but we are still waiting to see a killer application.

This is Hackaday. What ESP would we be thinking about besides ESP32?
ESP8266?
That was exactly what I was thinking I would find in the article when I clicked in the somehow clickbait-y title. And it is even worse given that I have worked as a researcher and work now in a private company in biosignal related hardware… haha
Popped into the comments wondering if I had missed something… They must have copied the title from some new age holistic blog
Extra Sensory Perception
Ah, using tech to let me sense things my Mark I Human Body can’t. Got it.
Isn’t calling our current revision “Mark I” a little disrespectful towards older variants?
Homo erectus and neanderthals (among others) would like to have a word with you.
;-)
Its technically open, and you can technically read the schematics but someone should really take the time to clean up the schematics.
They’re barely readable in fact
“No, Not That ESP!”
speak for your self. still waiting for iot integrated brain interface chips.