My bar mitzvah videos from the mid-1990s are now digitized for the ages. While I have no intention of actually watching them ...

Connect the capture card to your computer’s USB port, then hook up any device with HDMI output, and you can record that device’s video using a free program called OBS (more on that shortly).

But the high-level idea is that a Raspberry Pi 4 with a simple USB HDMI capture device takes the video input and converts it on the fly to a scaled down Kindle-friendly format. The converted video ...