Here's one of the easiest capture solutions for getting HDMI data into your computer or Raspberry Pi, really any system with a USB port..
Cheap HDMI Video Capture That Works!
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The Connectronics HDMI-TO-USB-CAP1 is a powerful HDMI to USB video capture tool in a pocket sized package. This simple plug-and-play device converts
Connectronics HDMI to USB 2.0 Video Capture Device
Video Capture Cards: Win11 Config
Waveshare USB Port High Definition HDMI Video Capture Card HDMI to USB 3.0 - RobotShop
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