RS485 has two types, one is half-duplex mode, only DATA+ and DATA- two-wire, and the other is full-duplex mode, with four-wire transmission signals: T+, T-, R+, R-. In full-duplex mode, it can be considered RS422. ...
Remember the printers, mice and modems of the year? They all have huge, bulky connectors and thick cables that have to be screwed onto your computer. These devices use the UART protocol to communicate with computers. While USB...
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