Videx has enhanced two of its door entry and access control systems, adding a new remote relay module to its 4G GSM offering and the VX2300 door entry video intercom. The new remote relays create a ...
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 Mini Wireless I/O Module from SignalFire Wireless Telemetry integrates an antenna capable of a 3-mile range, which allows a pair of modules to communicate in a point-to-point mode or directly to a ...
In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...
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