change port

listen.ts

@@ -3,7 +3,7 @@ import { ReadlineParser } from '@serialport/parser-readline';
 
 // --- Config ---
 // This is now the correct port from your dmesg log!
-const PORT_PATH = '/dev/ttyACM0';
+const PORT_PATH = '/dev/ttyACM1';
 
 // This is a guess. Check your manual if 9600 doesn't work.
 const BAUD_RATE = 9600;