Turn Your PC Into a Motion Sensing Security Device with .NET

Thanks to new types of hardware that can easily be programmed using .NET, you can create a motion sensing application that can be deployed for security—or just for fun.

by Wei-Meng Lee

August 29, 2006

n my inaugural article on how to integrate your .NET applications with external devices, I showed how to display system information using an LCD display. In this article, I will dive into the world of sensors. Sensors are interesting devices because they are the "eyes and ears" of your computer and can provide detailed information about the surroundings, such as temperature, lighting detection, proximity measurement, and so on.

For this article, I will be using two types of sensors: a passive infrared (PIR) sensor and an ultrasonic sensor.

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