A trio of computer security researchers at Universidad de la República Montevideo, in Uruguay, reports that it is possible to reproduce text on a computer screen by eavesdropping on its HDMI cable.

[Majenko] ran into this when a need to capture some HDMI video output ended up with rather less than was expected. Faced with two similar choices of discount HDMI capture device, [Majenko] opted ...

Next, plug the HDMI cable into the card, and put on your headset. You'll see a basic setup screen where you can choose to ...

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 ...