Thanks to "Anonymousmst" and his project "The fsociety Keyboard" I have discovered the WS2812 LEDs. I was used to working with the old shift register 4094.

Thanks "Anonymousmst", this component has simplified me much programming work.

A lso Adaftuit has a library for use with Arduino, so get to work and here is the result.

On the other hand, since I'm already working with Arduino (it was one of the objectives of the project) I have incorporated management with infrared remote control.

With this video you can see the visual estimulator operation (LED bar) in two of its bilateral stimulation mode with white, green and blue colors.

The operating modes are selected with 6 keys on the infrared remote control and the video looks like each selected