program will let you know if arduino disconnected

OutGaugeInterpreter.py

@@ -87,7 +87,7 @@ while connectedWebSocket == False:
 
 while connectedArduino == False:
     try:
-        toPi=serial.Serial(SERIAL_PORT,115200) #connect to arduino
+        toPi=serial.Serial(SERIAL_PORT,115200,timeout=2) #connect to arduino
         connectedArduino = True
     except:
         print("please check connection to arduino and verify the correct serial port")
@@ -115,6 +115,8 @@ while True:
         if csvOut == True:
             csvWriteOut(firstRun,carData,csvFile)
             firstRun=False
-
+    try:
         toPi.write(str(kmh).encode()+":".encode())
+    except:
+        print("arduino disconnected please check connection\n")