The rails typically reside in enclosures and hold controls for managing factories, buildings, and machines. As the space inside controls cabinets has become more dear, manufacturers have found ways to ...

A relay module is an electrical component. Various industries use this circuit board that houses one or more electric switches or relays in different circuits and electrical projects. Relay boards are ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

JSB27x series of USB 2.0 Controlled module with 2 or 4 Solid State Relays. Each solid state relay is rated for 1 Amp @ 50 Volts AC or DC. Screw type terminal blocks are on the module to provide quick ...