diff --git a/homeassistant/components/arduino.py b/homeassistant/components/arduino.py
index 239c80523df40c574fca50fab23e3abd2f4e0231..8625685c057dfe53cf0a26fe30506cf36b7d67e0 100644
--- a/homeassistant/components/arduino.py
+++ b/homeassistant/components/arduino.py
@@ -13,7 +13,7 @@ from homeassistant.const import (
 from homeassistant.const import CONF_PORT
 import homeassistant.helpers.config_validation as cv
 
-REQUIREMENTS = ['PyMata==2.13']
+REQUIREMENTS = ['PyMata==2.14']
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -29,18 +29,25 @@ CONFIG_SCHEMA = vol.Schema({
 
 
 def setup(hass, config):
-    """Setup the Arduino component."""
+    """Set up the Arduino component."""
     import serial
+
+    port = config[DOMAIN][CONF_PORT]
+
     global BOARD
     try:
-        BOARD = ArduinoBoard(config[DOMAIN][CONF_PORT])
+        BOARD = ArduinoBoard(port)
     except (serial.serialutil.SerialException, FileNotFoundError):
-        _LOGGER.exception("Your port is not accessible.")
+        _LOGGER.error("Your port %s is not accessible", port)
         return False
 
-    if BOARD.get_firmata()[1] <= 2:
-        _LOGGER.error("The StandardFirmata sketch should be 2.2 or newer.")
-        return False
+    try:
+        if BOARD.get_firmata()[1] <= 2:
+            _LOGGER.error("The StandardFirmata sketch should be 2.2 or newer")
+            return False
+    except IndexError:
+        _LOGGER.warning("The version of the StandardFirmata sketch was not"
+                        "detected. This may lead to side effects")
 
     def stop_arduino(event):
         """Stop the Arduino service."""
@@ -67,25 +74,20 @@ class ArduinoBoard(object):
     def set_mode(self, pin, direction, mode):
         """Set the mode and the direction of a given pin."""
         if mode == 'analog' and direction == 'in':
-            self._board.set_pin_mode(pin,
-                                     self._board.INPUT,
-                                     self._board.ANALOG)
+            self._board.set_pin_mode(
+                pin, self._board.INPUT, self._board.ANALOG)
         elif mode == 'analog' and direction == 'out':
-            self._board.set_pin_mode(pin,
-                                     self._board.OUTPUT,
-                                     self._board.ANALOG)
+            self._board.set_pin_mode(
+                pin, self._board.OUTPUT, self._board.ANALOG)
         elif mode == 'digital' and direction == 'in':
-            self._board.set_pin_mode(pin,
-                                     self._board.INPUT,
-                                     self._board.DIGITAL)
+            self._board.set_pin_mode(
+                pin, self._board.INPUT, self._board.DIGITAL)
         elif mode == 'digital' and direction == 'out':
-            self._board.set_pin_mode(pin,
-                                     self._board.OUTPUT,
-                                     self._board.DIGITAL)
+            self._board.set_pin_mode(
+                pin, self._board.OUTPUT, self._board.DIGITAL)
         elif mode == 'pwm':
-            self._board.set_pin_mode(pin,
-                                     self._board.OUTPUT,
-                                     self._board.PWM)
+            self._board.set_pin_mode(
+                pin, self._board.OUTPUT, self._board.PWM)
 
     def get_analog_inputs(self):
         """Get the values from the pins."""
diff --git a/requirements_all.txt b/requirements_all.txt
index baee6d80f92c8ba637a535da3cb658eda1ee98f7..32d95676c2719df912d3f3973525e2a4ac79722f 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -26,7 +26,7 @@ PyJWT==1.4.2
 PyMVGLive==1.1.3
 
 # homeassistant.components.arduino
-PyMata==2.13
+PyMata==2.14
 
 # homeassistant.components.rpi_gpio
 # RPi.GPIO==0.6.1