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Old 12-22-2016, 10:32 PM
 
Location: God's Gift to Mankind for flying anything
5,374 posts, read 11,285,294 times
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Needed for a hobby (security) project.

Assuming I have three video inputs.
One of them is always *on*, but is also triggered to on by a 12 vdc signal.
How can I, with a 12 vdc signal change the video input from the *always on* to one of the other incoming signals ?

!2 vdc signals are coming from a motion detector circuit.

I am not looking for a mechanical operated switch !

I am not an electrical engineer so my schematic may be wrong ?

TIA
Attached Thumbnails
Video signal switcher-video-switcher.jpg  
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Old 12-23-2016, 01:53 AM
 
Location: Somewhere in northern Alabama
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Latching relay or the digital equiv.
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Old 12-23-2016, 06:50 AM
 
Location: Mount Laurel
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Do you want to build one or are you looking for an off the shelf product. Since you are not electrical engineer, I assume the later. Off the shelf, you may want to try something like this. Since you are dealing with 12vdc, you will find what you need with stuff related to backup camera/etc.


https://www.amazon.com/Intelligent-V.../dp/B00B155G5M




If you want to build one, this sort of stuff can be done with Arduino or Raspberry Pi.
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Old 12-28-2016, 06:30 PM
 
Location: God's Gift to Mankind for flying anything
5,374 posts, read 11,285,294 times
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Quote:
Originally Posted by sj08054 View Post
Do you want to build one or are you looking for an off the shelf product. Since you are not electrical engineer, I assume the later. Off the shelf, you may want to try something like this. Since you are dealing with 12vdc, you will find what you need with stuff related to backup camera/etc.
https://www.amazon.com/Intelligent-V.../dp/B00B155G5M
If you want to build one, this sort of stuff can be done with Arduino or Raspberry Pi.

That looks like exactly what I need !! Thank you !!

Would anybody know what is inside the box ?
The size of the box seems to suggest some kind of solid state thingy ?
Some kind of bus switch ?

BTW, I am not an Electrical Engineer but do understand some Electrical principles ...
I am always interest in being able to *build it myself*

Using Arduino or Raspberry Pi, what should I put in the search bar ?
Besides *video switcher* ?
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Old 12-29-2016, 12:26 PM
 
Location: God's Gift to Mankind for flying anything
5,374 posts, read 11,285,294 times
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Quote:
Originally Posted by harry chickpea View Post
Latching relay or the digital equiv.
OK, but then, does the video signal gets somewhat distorted due to the circuitry inside the relay ?

What is the digital equivalent to a *latching relay* ?
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Old 12-30-2016, 10:27 AM
 
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I have a video swtcher. It's cheap, and it works at 1080p/i. No doubt solid state, but who cares? It works. Even came with a remote.
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Old 12-30-2016, 01:06 PM
 
Location: God's Gift to Mankind for flying anything
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Quote:
Originally Posted by bigbear99 View Post
I have a video swtcher. It's cheap, and it works at 1080p/i. No doubt solid state, but who cares? It works. Even came with a remote.
Any pics and specs ?
How does it switch ?
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Old 12-30-2016, 03:14 PM
 
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go to amazon and look around. Specs? 3 inputs, one output.
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Old 12-31-2016, 12:38 PM
 
Location: God's Gift to Mankind for flying anything
5,374 posts, read 11,285,294 times
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Quote:
Originally Posted by bigbear99 View Post
go to amazon and look around. Specs? 3 inputs, one output.
Looking around at Amazon, I only found HDMI switchers that came with a remote ...
Any clearer suggestions ?

TIA
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Old 12-31-2016, 02:59 PM
 
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HDMI switchers? That's what I bought!
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