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Automatic Electronic Cinema Screen


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Why The Wires Go Remote

Seen A Screen Working Off A Came Stand Alone Two Channel Radio Receiver And Transmitter

Can you find a 240v version of that??

Even if I could the projector does not give out a 240v when it is running.

Why The Wires Go Remote

Seen A Screen Working Off A Came Stand Alone Two Channel Radio Receiver And Transmitter

I could go remote, but Id rather just hook it up to the projector.

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no but you could put a standalone compact transmitter on your projector, running on a battery. The reciever would need 12v but you could hide that by the screen

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no old hand we dont want to burn it!

and scanny stand alone (the old class 3 stuff) does about 7 years on a battery

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no not really

by the way i dont want to ruin it for you but in the end they loose.

OH, wth are you on about what blindingly obvious thing have i missed

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as James mentioned, the fan is probably 12v and could be used to drive the relay.

Service Engineer and all round nice bloke :-)

The views above are mine and NOT those of my employer.

Surely this relay will work... You said you have 12 volt from the projector.

No, the relay needs current also to work, but the projector trigger does not provide much current on its 12v. So you need the current from a seperate 12v source, then simply the projectors 12v trigger on the boards sensors. This is the whole problem, the projector does not provide decent current on its trigger.

Read this for more info on projectors not providing current on their trigger:

http://www.scooter.cx/~scott/screen.html

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So one last problem, whats the best and most compact way of getting 12v from 240v the same way those massive black bricks do :)

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