setup lib

app.js

@@ -3,7 +3,10 @@ const express = require('express')
 const bodyParser = require('body-parser')
 const app = express()
 const movement = 1000;
+import hpgl from "./hpgl.js";
 
+
+console.log(hpgl());
 // Create a port
 const port = new SerialPort({
     path: '/dev/ttyUSB0',
@@ -14,6 +17,7 @@ const port = new SerialPort({
 
 const toPlotter = (message) => {
     console.log("i will write to plotter ", message);
+
     port.write(message, function (err) {
         if (err) {
             return console.log('Error on write: ', err.message)