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Author Topic: Help with optical switch  (Read 1066 times)

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buges

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Help with optical switch
« on: May 22, 2004, 01:07:53 pm »
Can any point me in the right direction to make an optical switch for my cion slot? so when the coin breaks the beam it sends a signal its like pushing a button

I've had alook at the schematic on oscar controls site
http://www.oscarcontrols.com/coinswitch/

but cant see where you wire in the Infrared Emitter
and Phototransistor Detector in the curcuit.

thanx

buges
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AmericanDemon

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Re:Help with optical switch
« Reply #1 on: May 22, 2004, 01:28:53 pm »
I was wondering the same but hadn't gotten around to asking yet.
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OSCAR

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Re:Help with optical switch
« Reply #2 on: May 22, 2004, 02:32:15 pm »
In the schematic they are shown in the right-side grey box.  The LED is on the right in series with the R4, 10k resistor.  The transistor is on the left, with one leg going to the +5V and the other to the trigger input on the 555 timer.

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buges

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Re:Help with optical switch
« Reply #3 on: May 22, 2004, 05:22:02 pm »
Thanx Oscar

I see it now

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