У вашего броузера проблема в совместимости с HTML5
This video is a demo based on STM32 and ili9341 + BlueTooth in serial mode.
You can find more information on my website :
http://www.requiem-projects.com/interface-obd-ii-via-bluetooth/
http://www.requiem-projects.com/code-de-la-gestion-du-dma-pour-laffichage-sur-ili9341/