У вашего броузера проблема в совместимости с HTML5
This is a preview of my VGA library for Arduino! Coming soon on GitHub! VGA signal generator with 120x60px framebuffer! It support 4 colors. You can select from different color combinations like (red, green, yellow, black) or (blue, yellow, cyan, black) or many others. Only four resistors are needed! CPU run at 16Mhz!!