Here is a circuit that will allow you to trigger your oscilloscope on specific lines in a video signal. This is a feature found in either very specialized or very expensive scopes and is a must for ...

To capture an instant on film or sensor with a camera, you usually need a fast shutter. But alternately a flash can be triggered with the scene in the dark and the shutter wide open. It’s this latter ...

Working on retro computers is rarely straightforward, as [ukmaker] recently found out while designing a new display interface. Their oscilloscope was having trouble triggering on the video signal ...