One of the best parts of a haunted house is the automated special effects. To make sure that the effects are well timed, you need sensors to detect where your guests are in the haunted house. Over the next few weeks I am going to show you a variety of simple sensors that you can use to automate your Halloween setup.
This week I am going to show you how to make a simple DIY pressure plate switch. This is just a pressure sensitive switch that is activated when someone steps on it. A sensor like this is really useful for effects that require someone to be in a specific location. I also give several examples of ways that you can use it to activate special effects in a haunted house.
See the full series here.