SwitchBot has announced a new product called the Presence Sensor with mmWave Radar. This sensor is built to detect people in ...

SwitchBot – well known for its strong yet affordable lineup of smart home gadgets – has officially launched its brand new ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

[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 ...

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 ...