Aqara makes more smart sensors than almost anyone else, and I find them to be consistent and stable. Here are the presence ...

Another option to provide some peace of mind on the go, this safety kit includes an air compressor, tire pressure gauge, 12-foot jumper cable, flashlight, first aid kit, glass hammer, seatbelt cutter, ...

Another option to provide some peace of mind on the go, this safety kit includes an air compressor, tire pressure gauge, ...

This paper presents the fundamentals, design, realization, and characterization of a state-of-the-art microwave (muW) based proximity sensor (PS) for position detection of stationary or moving targets ...