diff --git a/controller/serialPort.js b/controller/serialPort.js
index 5e78d67..9c0f529 100644
--- a/controller/serialPort.js
+++ b/controller/serialPort.js
@@ -1,8 +1,10 @@
 import { Router } from 'express';
 import serialPort from '../services/serialPortService.js';
+import serialPortList from '../services/serialPortService.js';
 
 const router = new Router()
 
-router.get('/:id', serialPort);
+router.get('/open/:id', serialPort);
+router.get('/list', serialPortList);
 
 export default router
\ No newline at end of file
diff --git a/services/serialPortService.js b/services/serialPortService.js
index 400784d..c313bfa 100644
--- a/services/serialPortService.js
+++ b/services/serialPortService.js
@@ -1,10 +1,23 @@
 import { SerialPort } from 'serialport'
+import res from "express/lib/response.js";
+import { autoDetect } from '@serialport/bindings-cpp'
 
-const serialport = new SerialPort({ path: 'COM3', baudRate: 9600, autoOpen: false, }, function (err) {
-  if (err) {
-    return console.log('Error: ', err.message);
-  }
-})
+
+
+
+async function serialPortList(req, res) {
+  const data = autoDetect()
+  console.log('data', await data.open())
+      // .then((ports) => {
+      //   console.log('Available serial ports:');
+      //   ports.forEach((port) => {
+      //     console.log(`- ${port.comName} (${port.pnpId})`);
+      //   });
+      // })
+      // .catch((error) => {
+      //   console.error('Error listing serial ports:', error);
+      // });
+}
 
 async function serialPort(req, res) {
   const buff = Buffer.allocUnsafe(4);
@@ -36,4 +49,4 @@ async function serialPort(req, res) {
   // })
 }
 
-export default serialPort
\ No newline at end of file
+export default serialPortList
\ No newline at end of file