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 ...
Getting your feet wet with programmable hardware can be tricky; even if you're comfortable with coding, you may not want to break out the soldering iron just to build a usable device. LittleBits is ...
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