diff --git a/Arcade_Button_Control_Box/Arcade_Button_Control_Box.py b/Arcade_Button_Control_Box/Arcade_Button_Control_Box.py
index a0d2e53f5..7a7e33e80 100644
--- a/Arcade_Button_Control_Box/Arcade_Button_Control_Box.py
+++ b/Arcade_Button_Control_Box/Arcade_Button_Control_Box.py
@@ -3,7 +3,7 @@ import time
 import digitalio
 from adafruit_hid.keyboard import Keyboard
 from adafruit_hid.keycode import Keycode
-from board import *
+from board import D12, D11, D10, D9, D6, D5, A0, A1, A2, A3, A4, A5
 
 # A simple neat keyboard demo in circuitpython
 
diff --git a/CircuitPy_OTP/main.py b/CircuitPy_OTP/main.py
index 1b556ed15..6d84a2e23 100644
--- a/CircuitPy_OTP/main.py
+++ b/CircuitPy_OTP/main.py
@@ -8,7 +8,8 @@ import ntptime
 import ubinascii
 import uhashlib
 
-totp = [("Discord ", 'JBSWY3DPEHPK3PXP'),  # https://github.com/pyotp/pyotp exmple
+# https://github.com/pyotp/pyotp example
+totp = [("Discord ", 'JBSWY3DPEHPK3PXP'),
         ("Gmail   ", 'abcdefghijklmnopqrstuvwxyz234567'),
         ("Accounts", 'asfdkwefoaiwejfa323nfjkl')]
 ssid = 'my_wifi_ssid'
@@ -164,7 +165,7 @@ t = None
 while not t:
     try:
         t = ntptime.time()
-    except:
+    except Exception:
         pass
     time.sleep(0.1)
 
@@ -195,7 +196,7 @@ while ALWAYS_ON or (countdown > 0):
         print(name + " OTP output: ", otp)  # serial debugging output
         oled.text(name + ": " + str(otp), 0, y)  # display name & OTP on OLED
         y += 10  # Go to next line on OLED
-    # We'll display a little bar that 'counts down' how many seconds you have left
+    # Display a little bar that 'counts down' how many seconds you have left
     oled.framebuf.line(0, 31, 128 - (unix_time % 30) * 4, 31, True)
     oled.show()
     # We'll update every 1/4 second, we can hash very fast so its no biggie!
diff --git a/CircuitPython_Painter/main.py b/CircuitPython_Painter/main.py
index fd6634c71..c604803db 100644
--- a/CircuitPython_Painter/main.py
+++ b/CircuitPython_Painter/main.py
@@ -96,9 +96,9 @@ try:
 
 except OSError as e:
     if e.args[0] == 28:
-        halt("OS Error 28", 0.25)
+        raise OSError("OS Error 28 0.25")
     else:
-        halt("OS Error ", 0.5)
+        raise OSError("OS Error 0.5")
 except BMPError as e:
     print("Failed to parse BMP: " + e.args[0])
 
diff --git a/EPROM_Emulator/directory_node.py b/EPROM_Emulator/directory_node.py
index 6664c67c5..73b1f0f29 100644
--- a/EPROM_Emulator/directory_node.py
+++ b/EPROM_Emulator/directory_node.py
@@ -96,7 +96,8 @@ class DirectoryNode(object):
 
     def __get_files(self):
         """Return a list of the files in this directory.
-           If this is not the top directory on the SD card, a ".." entry is the first element.
+           If this is not the top directory on the SD card, a
+           ".." entry is the first element.
            Any directories have a slash appended to their name."""
         if len(self.files) == 0:
             self.files = os.listdir(self.__path())
@@ -112,7 +113,9 @@ class DirectoryNode(object):
         if self.top_offset != self.old_top_offset:
             self.__get_files()
             self.display.fill(0)
-            for i in range(self.top_offset, min(self.top_offset + 4, self.__number_of_files())):
+            min_offset = min(self.top_offset + 4, self.__number_of_files())
+
+            for i in range(self.top_offset, min_offset):
                 self.display.text(self.files[i], 10, (i - self.top_offset) * 8)
             self.display.show()
             self.old_top_offset = self.top_offset
@@ -121,10 +124,12 @@ class DirectoryNode(object):
         """Update the selected file lighlight if required."""
         if self.selected_offset != self.old_selected_offset:
             if self.old_selected_offset > -1:
-                self.display.text(
-                    ">", 0, (self.old_selected_offset - self.top_offset) * 8, 0)
-            self.display.text(
-                ">", 0, (self.selected_offset - self.top_offset) * 8, 1)
+                old_offset = (self.old_selected_offset - self.top_offset) * 8
+
+                self.display.text(">", 0, old_offset, 0)
+
+            new_offset = (self.selected_offset - self.top_offset) * 8
+            self.display.text(">", 0, new_offset, 1)
             self.display.show()
             self.old_selected_offset = self.selected_offset
 
@@ -153,8 +158,8 @@ class DirectoryNode(object):
         self.__update_selection()
 
     def down(self):
-        """Move down in the file list if possible, adjusting the selected file indicator
-           and scrolling the display as required."""
+        """Move down in the file list if possible, adjusting the selected file
+        indicator and scrolling the display as required."""
         if self.selected_offset < self.__number_of_files() - 1:
             self.selected_offset += 1
             if self.selected_offset == self.top_offset + 4:
@@ -174,7 +179,8 @@ class DirectoryNode(object):
 
     def click(self):
         """Handle a selection and return the new current directory.
-           If the selected file is the parent, i.e. "..", return to the parent directory.
+           If the selected file is the parent, i.e. "..", return to the parent
+           directory.
            If the selected file is a directory, go into it."""
         if self.selected_filename == "..":
             if self.parent:
diff --git a/Labo_Piano_Light_FX/code.py b/Labo_Piano_Light_FX/code.py
index ea46e97b4..1fe0d066e 100644
--- a/Labo_Piano_Light_FX/code.py
+++ b/Labo_Piano_Light_FX/code.py
@@ -68,6 +68,6 @@ while True:
     vlvl = remapRangeSafe(lvl, 0, 255, wheelStart, wheelEnd)
     for i in range(0, len(strip)):
         strip[i] = wheel(vlvl)
-        # Set strip brightness based on audio level
+        # Set strip brightness based oncode audio level
         strip.brightness = float(remapRangeSafe(lvl, 50, 255, 0, maxbrt)) / 255.0
     strip.show()
diff --git a/Minecraft_Gesture_Controller/main.py b/Minecraft_Gesture_Controller/main.py
index f2b8e75e2..48b3832ab 100644
--- a/Minecraft_Gesture_Controller/main.py
+++ b/Minecraft_Gesture_Controller/main.py
@@ -75,8 +75,8 @@ def Move(upDown_axis, isBackward):
     # If you are touching A4, walk backwards, else walk forwards
     if isBackward:
         print("backwards")  # Debugging
-        if (axis_new > 1.2):  # walk threshold
-            if (axis_new > 2.5):  # run threshold
+        if axis_new > 1.2:  # walk threshold
+            if axis_new > 2.5:  # run threshold
                 kbd.press(Keycode.LEFT_CONTROL, Keycode.S)
                 time.sleep(0.1)
                 kbd.release_all()
@@ -85,8 +85,8 @@ def Move(upDown_axis, isBackward):
                 time.sleep(0.1)
             kbd.release_all()
     else:
-        if (axis_new > 1.2):  # walk threshold
-            if (axis_new > 2.5):  # run threshold
+        if axis_new > 1.2:  # walk threshold
+            if axis_new > 2.5:  # run threshold
                 kbd.press(Keycode.LEFT_CONTROL)
                 time.sleep(0.1)
                 kbd.release_all()
@@ -96,12 +96,12 @@ def Move(upDown_axis, isBackward):
             kbd.release_all()
 
 
-def Turn(upDown_axis, frontBack_axis, leftRight_axis, lookUp):
+def Turn(upDown_axis, leftRight_axis, lookUp):
     leftRight_adj = int(leftRight_axis)  # currently z_axis
     upDown_adj = int(upDown_axis)  # currently y_axis
 
     leftRight_new = Map(leftRight_adj, -3, 3, -100, 100)
-    if (lookUp and abs(upDown_adj) < 1.2):
+    if lookUp and abs(upDown_adj) < 1.2:
         upDown_new = Map(upDown_adj, -1, 1, -100, 100)
     else:
         upDown_new = 0
@@ -113,7 +113,7 @@ def Turn(upDown_axis, frontBack_axis, leftRight_axis, lookUp):
 
 def Jump(upDown_axis):
     upDown = abs(upDown_axis)
-    if (upDown > 3):
+    if upDown > 3:
         kbd.press(Keycode.SPACE, Keycode.W)
     kbd.release_all()
 
@@ -121,7 +121,7 @@ def Jump(upDown_axis):
 def Give(upDown_axis, frontBack_axis):
     frontBack_new = abs(frontBack_axis)
     if abs(upDown_axis) < 1:
-        if (frontBack_new > 2):
+        if frontBack_new > 2:
             print("give")
             mouse.click(Mouse.RIGHT_BUTTON)
             mouse.release_all()
@@ -163,7 +163,7 @@ def readAxes():
 ###########################
 while True:
     # Read accelerometer values (in G).  Returns a 3-tuple of x, y, x axis
-    x, y, z = readAxes()
+    pos_x, pos_y, pos_z = readAxes()
 
     # Read finger pads and act accordingly
     if touch_a1.value:
@@ -175,14 +175,14 @@ while True:
     if touch_a3.value:
         ESC()
 
-    isBackward = touch_a4.value
-    lookUp = touch_a4.value
+    is_backward = touch_a4.value
+    look_up = touch_a4.value
 
     # Run through the motions! .. literally :)
-    Move(y, isBackward)
-    Turn(y, x, z, lookUp)
-    Jump(y)
-    Give(y, x)
+    Move(pos_y, is_backward)
+    Turn(pos_y, pos_z, look_up)
+    Jump(pos_y)
+    Give(pos_y, pos_x)
 
     # Small delay to keep things responsive but give time for interrupt processing.
     time.sleep(0.01)
diff --git a/Pi_Hole_Ad_Blocker/stats.py b/Pi_Hole_Ad_Blocker/stats.py
index 11a2aec94..2db7c4db0 100644
--- a/Pi_Hole_Ad_Blocker/stats.py
+++ b/Pi_Hole_Ad_Blocker/stats.py
@@ -71,7 +71,8 @@ while True:
     # Draw a black filled box to clear the image.
     draw.rectangle((0, 0, width, height), outline=0, fill=0)
 
-    # Shell scripts for system monitoring from here : https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
+    # Shell scripts for system monitoring from here :
+    # https://unix.stackexchange.com/questions/119126/command-to-display-memory-usage-disk-usage-and-cpu-load
     cmd = "hostname -I | cut -d\' \' -f1"
     IP = subprocess.check_output(cmd, shell=True)
     cmd = "hostname"
@@ -90,7 +91,7 @@ while True:
         DNSQUERIES = data['dns_queries_today']
         ADSBLOCKED = data['ads_blocked_today']
         CLIENTS = data['unique_clients']
-    except:
+    except KeyError:
         time.sleep(1)
         continue