As an example, [Circuit Valley] has an IKEA Vallhorn motion sensor for a teardown ... ultrasonic welded case is a small PCB and a Fresnel lens on the inside of the top cover, and a small PCB ...

The Onvis outdoor motion sensor, built with Thread technology and an IP66 rating, is made to work great in both areas. If you want to trigger HomeKit devices based on motion outside, read on to ...

The wireless DUAL TEC® motion sensor provides faster and more reliable detection using K-band microwaves ... it can provide a more reliable protection for rooms with large areas of glass such as ...