Hello,
Does anyone know of a Hart Protocol library for Arduino? I would like my Arduino to act as a master and it will connect to clients with a ttl to 4-20ma Hart interface IC (AD5700 or like IC).
Basic HART is a phyiscal protocol, no library is required. Connect the RX and TX pins and add a pin for RTS. Then take RTS low while sending Serial bytes else HIGH.
Search "HART Arduino" for projects, tutorials, libraries etc.
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