Arduino with GSM and PIR Sensor

by motheeb @ instructables.com:

This lesson will allow you to use SMS to control an LED along with using Arduino to make automatic calls to your phone in case it sensed movements in your room. You will be able to listen to the voices there and act upon emergency.

Arduino with GSM and PIR SensorRead More

SocioNext MN87900 is a Single-Chip 24 GHz Radio Wave Sensor for the Internet of Things

The Socionext MN87900 from Socionext is a powerful and low-power single-chip microwave sensor at 24GHz with sophisticated sensing capabilities like motion detection, speed and direction detection and so many, that can quickly find applications in the Internet of Things sensing applications.

Unlike PIR sensors like the popular HR-SR501 that can detect motionRead More