The main principle of the circuit is to provide security using PIR sensor. This can be used in the museums to protect the valuable things and also in defense applications to detect the humans in war ...

Motion detectors are widely known for their role in home security systems, but their usefulness extends far beyond guarding ...

Motion sensing is the detection of the change in position of an object relative to its surroundings or vice versa. There are many kinds of motion detector methods: infrared, optics, radio frequency, ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...