video hardware

Hi folks, I'm designing a home brew computer which drives a video signal on an old terminal directly. I'm using a Televideo 990 because I couldn't find anything older. I have it working using a 74LS166 chip at 30MHz, but I need a hair more speed to match the scan frequency of the monitor. I...

In this circuit, the video signal is generated from the SoC through the ANALOG_OUT pin and routed through a filter stage before being delivered to the final output. The image above represents the correct OSD output. The image above shows OSD output exhibiting ghosting artifacts. The video...

Hoping to get some pointers from more experienced people on this forum. One of my art projects is The Hole Body - a jacket with flat screens plus cameras on front and back, with the front camera connected to the back flat screen and vice versa. This means people can look through me when I am...