Abstract: A system for measuring optical proximity based on reflection of modulated light is presented. Its novel input stage topology comprising an ac coupled TIA and a two stage dc rejection circuit ...

Affordable, energy-efficient, and simple to install, these small yet powerful lights are ideal for lighting sidewalks, stairs, or other entry points to your home. This set includes six individual ...

At around 26 lb (11.8 kg), the K-Feather is shockingly light for an electric bike, even by today’s standards. Pick it up and it barely registers as an e-bike at all. That’s largely thanks to its ...

Nowadays, people have grown more conscientious about maintaining a clean living environment to ensure the safety and ...

Javascript must be enabled to use this site. Please enable Javascript in your browser and try again. Discover the local side of AARP with free events and activities ...