Meet the Backyard Brains Heart & Brain Spikerbox: an educational kit that lets you view your EKG and EEG on your smartphone. It comes with everything you need to read electrical signals from your body. You get a EEG headband to record brain rhythms.
More gadgets like this: here
A replacement pack of electrodes costs you about $8, so you can keep experimenting.
Disclaimer: *Our articles may contain affiliate links. Please read our disclaimer on how we fund this site. As an Amazon Associate, we earn from qualifying purchases.
