Controlling a Fog Machine with a Prop Controller or Relay
by FrightProps
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What this video covers
This FrightProps tutorial demonstrates how to automate an inexpensive fog machine by intercepting its wired manual remote and routing control through a relay or solid-state output on a prop controller. The technique — often called 'hacking the remote' — is presented as a practical workaround for fog machines that lack DMX capability. Both haunt-focused controllers like the PicoBoo and escape-room controllers like the EscapeKeeper are shown as compatible options. The result is timed or sensor-triggered fog activation without needing a premium DMX-enabled fog machine.
Key takeaways
- ◆Intercepting a fog machine's wired remote via a relay is a cost-effective way to automate non-DMX fog machines
- ◆Compatible with a range of prop controllers that offer relay or solid-state outputs
- ◆Demonstrated with both haunt (PicoBoo) and escape-room (EscapeKeeper) controller platforms
- ◆Enables trigger modes such as motion-sensor activation or timed sequences
- ◆Ideal for budget builds where upgrading to a DMX fog machine is not practical
Who this is for
Home haunters, escape room designers, and prop builders who want to automate an affordable fog machine using an existing prop or relay controller without investing in DMX equipment.
Materials mentioned
- • fog machine
- • prop controller
- • relay board
- • wired remote
- • solid-state output
⚠ Safety notes
Work with low-voltage control signals where possible; ensure relay ratings are appropriate for the fog machine's power draw before wiring.
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