I want to build a device that can measure the tiny electrical

JAM IT IN

>>55938874
Why?

>>55938874
something along the lines of and EEG?
otherwise you need direct contact with the muscles or nerves which i don't think you want to do.

>>55939169

Project for a psychology class.

File: tumblr_o9p5ukXIGu1s1vn29o1_400.jpg (20KB, 370x368px) Image search: [Google]

20KB, 370x368px

>>55938874
Got a multimeter?

>>55938874
Install gentoo

>>55939374
>psychology
just make something up

>>55938874
ECG pads and an oscilloscope. (Or if you need the data in your computer, get a desktop multimeter with a serial connection.) Don't try to DIY it, I test-built a similar device for a DIY magazine and it didn't work worth a damn.

>>55938874
Connect needles to your multimeter probes with alligator clips then stick them in your eyes.

>>55939694
Confirmed as fedora wearer

>>55938874
If you're trying to track peoples' eye movements, get a really good high-quality webcam and use computer vision.