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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@JohanWinas
I'm thinking of using a MDBT42Q module to poll data from a Modbus device over RS485.
My hardware will use the MAX13487 that implements auto tx/rx switch, I have used this in many designs before and it works just fine with modbus. So no need for TX control pin.
I found this, https://github.com/makejs/modbusTCP-Espruino, but cant make out if its just a clone of modbus-serial or if it's actually for Espruino.. anyone?