Mobile transcranial altering current stimulator.
For implement results shown in paper about working memory increase with stimulation of 6 and 80 herz.
Spatial Working Memory in Humans Depends on Theta and High Gamma Synchronization in the Prefrontal Cortex
https://www.cell.com/current-biology/fulltext/S0960-9822%2816%2930358-X
Sources from quicksilv3rflash: https://github.com/neuroidss/FreetACS
Calculation of components: https://goo.gl/UaXZKf