They usually come with detachable panels that can be installed in a sunny location some distance away from the actual light. Run wires and install an electrical box A motion sensor light is almost ...

this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

(Passive InfraRed sensor) A device used to detect motion by receiving infrared radiation. When a person walks past the sensor, it detects a rapid change of infrared energy and sends a signal.

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. Inside the ...

Did you know that the camera sensor in your smartphone could help unlock the secrets of antimatter? The AEgIS collaboration, ...

Prior knowledge needed: ECEA 5340 Sensors and Sensor Circuit Design and ECEA 5341 Motors and Motor Control Circuits. Understand how to specify the proper pressure, force, strain, position, motion, ...

A promising yet underrecognized harm reduction tool for restrooms is the anti-motion sensor, designed to detect when a person has been motionless for an extended period of time, signaling a ...