Methods of Motion Detection

Methods of Motion Detection: "In this section I am going to show you four different ways of detecting motion for use as a prop trigger. Two of them are hacks of existing motion sensors, one (X10) is a wireless solution, and the last is an electronics solution based on the parallax motion sensor and a microcontroller or prop controller such as a prop1. All have advantages and disadvantages depending on the prop, the on time required for the trigger, and the amount of time before the prop can be triggered again."