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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.
@maman
var MAX485_DE = D12;
var RXPIN = D13;
var TXPIN = D14;
var Serial3 = new Serial();
Serial3.setup(9600, {rx:RXPIN,tx:TXPIN, parity:'even'});
Serial1.setup(9600, {parity:'even'});