Sending Dual-Monitor signals to a single monitor

modessitt

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I have some Punchout boardsets I want to test. Rather than hook up two separate monitors (which I do have), I'd rather send the video signals for both to the same monitor, with a switch to flip between which is displayed on the monitor. Other than using a 5-input/output switch, is there a better way? I figure I'd have to put some diodes inline to keep the signals from interfering with each other, but I'm not sure which is the best way. I guess I could just have a couple male connectors on the adapter - one for each video output, and just move a female connector between them to choose which output I want.

Anyone have a better idea?
 
just share the same sync & ground then make yourself a 3 wire switch for the colors.
 
You may be able to modify a multi-input video sequencer to do the job.....alarm/CCTV catalogs.
 
I just have two separate video connectors (just like the original harness). I plug one into my monitor, fire it up, and observe the upper monitor image....power it down, switch plugs, fire it up, and observe the lower monitor image.

Edward
 
Radio Shack used to sell video switches for component systems. You could make up adapters to each monitor input and switch between them routing to the single monitor.

ken
 
An analog mux/demux chip would work great for that. You can get one in a dip package for cheap, hook both signals up to one side, then you toggle a switch high/low to select which set of signals is passed through.

Drop me a pm if you want more help.
 
I bench tested a Dual Monitor PC doing pretty much what Edward did..save that I had to jumper all the pins from the eyelets of an empty edge connector. I did not have any part of the harness. Wire one monitor, fire it up, power it down, switch the color pins (clips to the correct eyelets), fire it up again.
 
An analog mux/demux chip would work great for that. You can get one in a dip package for cheap, hook both signals up to one side, then you toggle a switch high/low to select which set of signals is passed through.

Drop me a pm if you want more help.

Much easier to just use a DP4T relay like I used on my Vs. switchers :0
 
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