Leave comments at: https://elixirforum.com/t/elixirconf-2023-alfonso-gonzalez-embedded-system-w-elixir-for-millions-ai-based-point-of-sales/58854 LiveView was the entry point as we needed a real-time dashboard monitoring our point of sales. We extended all the Core through Phoenix, including WebSockets for IoT devices. Finally, we developed our firmware with Nerves, and we are exploring evision for AI inference. We want to share our history and show some examples of security, simplicity, and improvements in our tech based on the Elixir ecosystem.