They are basically a headphone jack with each wire soldered to each side of the plug. These plugs then plug into ports on my controller box. Watch some videos to learn how to use a multimiter to find the correct wires. WARNING you can get shocked if you don’t know what you’re doing. I used a multimeter to see which wires to use. I just cut off the other end and found the 2 wires that when connected, caused the fogger to start. My foggers’ control boxes connect with a 3 prong plug that is also commonly used as a PC power cord. They actually have heatshrink tubing under the electrical tape, so they’re not as flimsy as they look. Wait 40 sec (I gave it 10 sec more padding in here to allow the foggers a little more “off time” to recoup.)Ĭables hacked to headphone jacks. With an Arduino you can basically have 3 foggers on a 30 second interval that loops indefinitely (or at least until you run our of fog juice). This waiting cuts into my need for continuous fog. The less expensive 700 – 2000 watt fog machines need about 3 minutes to cycle through from one burst to the next. Find out more about controlling a relay module with arduino. When the arduino wants to close the circuit on a relay it sends a signal to the relay and it closes – making the connection – basically like pressing the button on the fog machine controller. They’re basically a switch that you can control via a computer program running on the Arduino. I’d never used a relay before this project. Relays on the left, Arduino Uno on the right. We’re doing the same thing (pushing a button) but via a relay switch. The plug-in controller that comes with the fog machine is basically just a button that you press when you want fog. After reading this, do your own research and do not proceed unless you are following all of the recommended safety procedures. I am a hobbyist who built something after watching a lot of videos and doing some research. We’re basically doing an on, off, on, off rotation – so nothing too complicated.ĭISCLAIMER: I am NOT an electrician. There’s tons of Arduino help out there if you need it. I’ll give you my scripts that you can use – or use as a guide to set your own up. This gets me as close as I can without buying one of those $700 foggers – plus I get a nice big prop out of it!Ĭontrolling A Fog Machine with an Arduinoĭon’t skip over this because you think Arduino is too difficult for you to learn. I’ve always wanted the have continuous fog in my yard haunt. Controlling 3 foggers at once was a challenge I was excited to take on.
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