У вашего броузера проблема в совместимости с HTML5
Here in this video tutorial I've explained you about how to interface 8*8 Dot Matrix display using Atmega16 microcontroller. Here we are using Proteus Simulation.
Amazon India Link to buy Atmega16/32 development board:
https://amzn.to/337zkCm
Amazon India Link to buy (Atmega16 Board+Programmer+Interfacing Modules)
https://amzn.to/2t8vKvb
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