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Below are some example drawings of how to use some different but common relays. Relays are a great way to control a large amount of power using Light-O-Rama, but without putting a uge load onto the controller. This is especially useful when controlling inductive loads (motors), fluorescent lights, or even flipping polarity to make something move back and forth.
A couple key things to keep in mind is a relay is also an inductive load, so you should add a light bulb (like an incandescent C7 or C9) in parallel to put a load on the circuit. This will help prevent the relays from buzzing. |
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| Below is an example of using a relay to turn something on, for instance an inflatable. |
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| Below is an example of using a relay to turn something off. For instance, if you have night security lights that come on with a motion sensor, you could run a relay in line to cut the power to the security lights while the show is running. When the show turns off the relay would automatically send the power back to the lights for regular operation. |
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| Below is an example of using a relay to control a floodlight that is on a normal on/off switch and have it turn on using Light-O-Rama for a show. |
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| Below is an example of using a relay to alternate between two items, light two different colors. |
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| Below is an example of using a relay to double the channels of your Light-O-Rama. Couple things to remember is that you will be able to dim the channel feed, but you would not be able to fade one color down and the other color up on the same channel. And also you will be flipping (colors) on 4 channels at a time. There are limitations, but you can work around them for some extra, cheap channels. |
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| Below is an example of using a relay to control a fountain pump and some lights. You could set up several pumps on their own channels and relays and make your own mini-Bellagio Fountains right in your own front yard. |
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| Below is an example of using a relay to control a fogger. If you want LOR to turn the fogger on, you could have a channel with relay turn on about 10 minutes before your show starts, then use another channel and wire it in to the trigger button to make the fogger fire off during the show. I usually fire mine off about 15 seconds before I turn the lights on inside the coffin so the fog has a chance to fill up the space. The fogger button control has 3 wires: one is the common, one is to light the light to indicate the heater is on, and the other is the power that goes back to the pump to actually fire off the fogger. |
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| Below is an example of using relays to control a lift or linear motor setup. For instance I have a lift that makes an inflatable helicopter go 10 feet above my roof (http://www.youtube.com/watch?v=XhzuNfzy7Ls). I can plug it in to my LOR (Light O Rama) controller to have my light show make it go up and down, or I have a wireless setup where I can push a button while walking around the yard and have it go up when I want it to. This is the wiring diagram for it. |
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| Below is an example of using a relay to control your audio system. It takes a CD player that plays "We are having technical difficulties..." and loops that all the time. When the LOR is on (running a show) the first relay clicks over to pick up whatever is coming out of the PC. I show a second relay that incorporates a potentiometer (volume dimmer). My show runs 24 hours, so at night after the show and during the day a soft audio signal is coming out of the speakers promoting the show. At night when the show starts, another channel for the second relay clicks on to bypass the volume control and puts out a louder sound for people that watch the show on the sidewalk. The third relay shows and example of how you could put a speaker right at a feature (like behind a tombstone), so that your show could light up the featured item and the relay clicks on to put the sound in the speaker in the stone and not in the show speakers. This would direct peoples attention right to the stone. Then when the feature is done, relay off and sound goes back to normal show. |
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