У вашего броузера проблема в совместимости с HTML5
This is a demonstration module fabricated to display various patterns designed with Pixel LED's . WS2811, 8 mm pixel LED's controlled with Arduino Pro Mini ( Atmega 328p ) with stunning designs and eye catching effects. Color in color patterns. 50 LED's powered by 5 volt 2 Amps power supply. Same designs can also be run on (50+50 )100 LED's with same controller with different program using 5 volt 5 amps power supply.