(MENAFN- GetNews) A relay module is a small electronic device that allows low-power signals to control high-power equipment. It works as a bridge between a control system-such as a PLC, Arduino, or ...
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 JSB284 series USB 2.0–controlled relay module is rated at 15 A for 125 Vac and 10 A at 30 Vdc. The relay features blade-type lugs. This module replaces internal pc-based plug-in cards for use in ...