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 ...

The advantage of a bistable relay is that it remains in its state when its power supply is no longer provided. When you search for a bistable relay module, you will often notice that the relay ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

The 858 Series can be ordered as complete relay modules, or a customizable socket/base with standalone relays as components. December 15, 2009 – WAGO's DIN-rail mount 858 Series four-pole, ...

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 ...

The ORP Remote Relay Module is a SVXLink module to add features to OpenRepeater/SVXLink to control relays by DTMF tones remotely. It based on code forked from Module-Remote-Relay by F8ASB but modified ...

Weinstadt has expanded its tried-and-tested relay family LCIS to include three new models: new additions to the program are the LCIS2 relay module with 1 and 2 changeover contacts and the LCIS3 relay ...

The new SNAP-OMR6-A and SNAP-OMR6-C power relay output modules offer four separate channels of switching for up to 250 VAC or 30 VDC, 6 amp loads. Significantly, the new modules are designed and built ...

Moore Industries has released the SRM Safety Relay Module, a versatile relay repeater module that has been certified by exida for single use in Safety Instrumented Systems up to SIL 2. The module ...

As any programmer could tell you, there’s significant value in automating a process that is performed often enough. The more times that process is used, the more it makes sense to automate it or at ...