Fire-Lite Alarms by Honeywell has released the ROME (Relay Option Module Enclosure), a UL-listed fire alarm relay module with enclosure, designed to enable the control of building systems such as fans ...

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 ...

Available in three enclosure sizes, the Blue Box LT Series of smart relay panels comes pre-assembled and ready for installation. Available in three enclosure sizes, the Blue Box LT Series of smart ...

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 ...

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 ...