The demand for convenient and reliable switching systems is increasing across homes, offices, and industrial environments.

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 ...

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 relay repeater module accepts single contact closure inputs from logic solver trip outputs including the company's STA Safety Trip Alarm and the SPA2 Programmable Limit Alarm Trip. With three ...

The new relay versions are all Single Pole Double Throw (SPDT) configuration with screw clamp termination. The five new options include the following versions: 12 VDC, 24 VDC, 24 VUC, 120 VUC and 230 ...