Lock-in amplifiers let you measure very small signals that would otherwise get lost in the noise of even the best available amplifiers. Originally analog circuits, lock-in amplifiers have evolved into ...

In Part 1, I discussed the background behind lock-in amplifiers. Here, I’ll cover analog and digital lock-in amplifiers, software-defined radio, de-embedding, and the hardware and software ...

The Level Lock Pro is the best and most attractive smart lock you can buy, and its support for Matter means it can be seamlessly integrated into any smart home ecosystem. We’re longtime fans of Level ...

Popular smart home security company Abode is venturing into the smart lock business for the first time. The new Abode Lock features a retrofit design that the company says works with any latch-style ...

With advanced features such as Apple home keys, door status detection, and Matter compatibility, Level Lock Pro delivers on all the smart features consumers want, in a package that beautifully ...

Yale’s new smart lock boasts an outstanding design and supports every third-party smart-home platform under the sun, but Yale’s app still needs some polish. Revamped and redesigned, Yale’s Assure Lock ...