ESP8266 - 16x2 LCD, IR receiver with Apple Remote

I2C1.setup({scl:NodeMCU.D5, sda:NodeMCU.D4});
var lcd = require("HD44780").connectI2C(I2C1);
lcd.print("Hello World!");
lcd.setCursor(0,1);
lcd.print("ESP8266!");


/*                       I2C1  SPI1
NodeMCU.D1   D5   GPIO5
NodeMCU.D2   D4   GPIO4
NodeMCU.D3   D0   GPIO0                 FLASHBTN / Built in LED
NodeMCU.D4   D2   GPIO2   SDA           Debug Serial - RX1 on FTDI chip
NodeMCU.D5   D14  GPIO14  SCL  CLK          
NodeMCU.D6   D12  GPIO12       MISO
NodeMCU.D7   D13  GPIO13       MOSI         
NodeMCU.D8   D15  GPIO15       CS
NodeMCU.D9   D3   GPIO3
NodeMCU.D10  D1   GPIO1
NodeMCU.A0   D0   GPIOx
*/

//1011101111110000 101010000 10001111
/* Apple white remote 33 bits - spaces added
10111011111100001 0101 000010001111 up
10111011111100001 1001 000010001111 left
10111011111100001 1010 000010001111 play
10111011111100001 0110 000010001111 right
10111011111100001 0011 000010001111 down
10111011111100001 1100 000010001111 menu
longer codes - last 1's are button repeats
*/

var button={5:'up',9:'left',10:'play',6:'right',3:'down',12:'menu'};

require("IRReceiver").connect(NodeMCU.D1, function(code) {
  console.log(code);
  if ( code.length >= 33 ) {
    var l=parseInt(code.slice(1,16),2);
    if ( l === 15344 ) {
        lcd.setCursor(0,1);
      var k=parseInt(code.slice(17,21),2);
      console.log({k:k,b:button[k]});
      lcd.clear();
      lcd.print(button[k]);
    }
  }
});

10111011111100001100100001000111111
{ "k": 9,
  "b": "left"
 }
10111011111100001010100001000111111
{ "k": 5,
  "b": "up"
 }
101110111111000010011000010001111
{ "k": 3,
  "b": "down"
 }
101110111111000011010000010001111
{ "k": 10,
  "b": "play"
 }
101110111111000010110000010001111
{ "k": 6,
  "b": "right"
 }
10111011111100001110000001000111111
{ "k": 12,
  "b": "menu"
 }