createCanvas(400, 400);

  port = createSerial();

  connectBtn = createButton('Connect to Serial');

  connectBtn.position(20, 20);

  connectBtn.mousePressed(() => {

      port.open(115200);

      connectBtn.remove();

  });

}

​

function draw() {

  background(220);

    let str = port.readUntil("\n");

console.log(str)

}