As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown, it’s as you might expect, a passive infrared sensor (PIR) sensor coupled with a Zigbee interface.

PIR LED Security Light Circuit Schematic Notes The PIR sensor requires an initial stabilization time of about 10 to 60 seconds in order to function properly. During this time, the sensor gets familiar ...

Circuit diagram of the PIR Motion Sensor Light and Switch based on SB0061 shown here can be used for security or corridor lighting in power saving mode. The 12V DC supply required for the whole ...

First, you put your phone in a jar along with the electronics and close it. Then, with everything configured, the circuit is powered on and stays vigilant for any movement inside the jar.

Current’s dual-technology approach combining PIR sensors and detection accuracy calibration puts the DT-OMNI sensor module in a class by itself for users who value ease of installation and next ...