This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already ...

The U400 ($269.99) is the first to support Apple’s Home Key’s hands-free unlocking. This uses the U1 ultra-wideband (UWB) ...

The ESP32-C6 board continuously reports signal strength values that can be referenced to the wireless situation in the ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...