[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...

PIC, Arduino, and Raspberry Pi: If you can work with these three types of systems, then you can connect with just about anything Microcontrollers (MCUs) can be very handy, but without the ability to ...