The makers of popular apps Halide have released a free app called Orion, designed to turn your iPad into an external HDMI monitor.
The app can work with any HDMI-enabled device, Mac, PC, gaming consoles like Nintendo Switch, retro consoles and cameras. According to the developers, Orion Video System will upscale Nintendo Switch gameplay to 4K in real time.
The app requires iOS 17, an iPad with a USB-C port, and a USB-C video capture card. There is a demo mode for launching the program without launching the card.
For AI 4K upscaling, CRT emulation and quality settings, 449 rubles are required.
Source: Iphones RU

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