updated ultrasonic function

DurhamAcademy · May 8, 2024 · 7e15ba7 · 7e15ba7
1 parent f640360
commit 7e15ba7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arduino.py b/arduino.py
@@ -33,7 +33,7 @@ def read_data(self, val):
                     count = count + 1
                     data = self.ser.readline()
             except:
-
+                return None
             d = data.decode()
             if d[0] == "$":
                 d = d[1:]