The EZTimer is a multi-function programmable timer with a LED display and two simple push buttons that can serve as an economical direct replacement for most octal or 11-pin socket time delay relays ...

A Programmable Logic Controller, commonly known as a PLC, is a robust industrial computer designed to control manufacturing processes and machinery. Initially developed to replace relay logic systems, ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

Pricey, dealer-installed smart-home systems have one thing in common: A wall-mounted panel with a flashy LCD to control everything. This is the feature that’s most difficult for a do-it-yourselfer to ...