Hi, I'm about to start a project using Arduino and external motors controlled by RS485. The connection is half duplex (so a 3-wire setup). To be sure of my approach, I have a question: Can Arduino both write and receive over RS485? What is then the meaning of Master/Slave in a RS485 setup? I hav…

RS485 Half Duplex - Write & receive

terryking228 May 11, 2018, 12:44pm 3

Hi,
Some RS485 information and example code on THIS page

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