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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 ...
Over-voltage Protection Module to handle direct connection of voltage regulators to a 5V battery using standard 2.5 OD 3.3V devices View Over-voltage Protection Module to handle direct connection of ...
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