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 vendor’s industrial wireless 802.11 products now provide Device Server functionality with Modbus Master capability for both Modbus TCP and serial Modbus RTU. This new capability provides ...
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