test

app.js

@@ -10,7 +10,6 @@ var port = 8000;
 const { SerialPort } = require('serialport')
 const { ReadlineParser } = require('@serialport/parser-readline')
 const sport = new SerialPort({ path: '/dev/ttyACM0', baudRate: 115200 })
-
 const parser = sport.pipe(new ReadlineParser({ delimiter: '\r\n' }))
 parser.on('data', console.log)
 

public/index.html

@@ -18,11 +18,9 @@
 
             // Split the data into separate parts
             const [node, value] = data.split(' ');
-
+            if (node === 'node3' && value === '15'){
-            if (node === 'node4' && value === '21') {
+              document.body.style.backgroundColor = 'red';}
-              // Change the background color to red
+              else {
-              document.body.style.backgroundColor = 'red';
-            } else {
               // Restore the default background color
               document.body.style.backgroundColor = 'white';
             }