Brain Stimulation | AirmanMagazineOnline

  Published on Mar 13, 2017
Dr. Andy McKinley is the leader of the Non-Invasive Brain Stimulation (NIBS) Team in the Cognitive Performance Optimization Section, Applied Neuroscience Branch, Warfighter Interface Division, Human Effectiveness Directorate at Wright-Patterson Air Force Base.
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See Also: Super SEALs: Elite Units Pursue Brain-Stimulating Technologies (Military.com)

Extreme DIY – Transcranial Electrical Stimulator, Arduino Compatible | quicksilv3rflash

According to Instructables/reddit user quicksilv3rflash…

This device can be used for any kind of human electrical stimulation, such as tDCS, tACS, tRNS, or tVNS. Its hardware, when properly constructed and tested, limits output current such that -2.1mA < output_current < +2.1mA , based on the 2mA safety limit recommended in these published guidelines.

Transcranial Electrical Stimulator, Arduino Compatible
Discussion on Reddit Clear instructions to build a precision computer-controlled tACS/tDCS/tRNS device, <$100
Build a Human Enhancement Device (Basic TDCS Supply)
Simple TACS for Analogue Electromancers