почти последняя пара

index.js

@@ -23,18 +23,26 @@ const {
 } = require('@serialport/parser-readline')
 
 const port = new SerialPort({
-  path: '/com9',
+  path: '/com11',
   baudRate: 9600
 })
 
 var str = "";
+var obj;
 
 const parser = port.pipe(new ReadlineParser({
   delimiter: '\r\n'
 }))
 parser.on('data', (data) => {
   if (str != data) {
-    console.log(data);
+    try {
+      obj = JSON.parse(data); 
+
+      console.log(obj);
+    } catch {
+      console.log("Ошибка");
+    }
+
   }
   str = data;
 })
@@ -42,6 +50,7 @@ parser.on('data', (data) => {
 
 // Create a local server to receive data from
 const server = http.createServer((req, res) => {
+
   console.log(req.url);
   if (req.url == '/') {
     fs.readFile('index.html', (err, data) => {
@@ -62,6 +71,20 @@ const server = http.createServer((req, res) => {
       'Content-Type': 'application/json'
     });
     res.end(str);
+  }  else if (req.url == '/potentiometer') {
+    res.writeHead(200, {
+      'Content-Type': 'application/json'
+    });
+    if (obj) {
+      res.end(obj.valuePotentiometer.toString());
+    }
+  }  else if (req.url == '/gpu') {
+    res.writeHead(200, {
+      'Content-Type': 'application/json'
+    });
+    if (obj) {
+      res.end(obj.valueGPU.toString());
+    }
   } else {
     res.writeHead(404, "Not Found");
     res.end();