Final tweaks

CircuitPython_Essentials/CircuitPython_HID_Keyboard.py

@@ -1,7 +1,7 @@
 # CircuitPython demo - Keyboard emulator
 
 import time
-from digitalio import DigitalInOut, Direction, Pull
+import digitalio
 import board
 from adafruit_hid.keyboard import Keyboard
 from adafruit_hid.keycode import Keycode
@@ -24,13 +24,13 @@ keyboard_layout = KeyboardLayoutUS(keyboard)  # We're in the US :)
 
 # Make all pin objects inputs with pullups
 for pin in keypress_pins:
-    key_pin = DigitalInOut(pin)
-    key_pin.direction = Direction.INPUT
-    key_pin.pull = Pull.UP
+    key_pin = digitalio.DigitalInOut(pin)
+    key_pin.direction = digitalio.Direction.INPUT
+    key_pin.pull = digitalio.Pull.UP
     key_pin_array.append(key_pin)
 
-led = DigitalInOut(board.D13)
-led.direction = Direction.OUTPUT
+led = digitalio.DigitalInOut(board.D13)
+led.direction = digitalio.Direction.OUTPUT
 
 print("Waiting for key pin...")
 
@@ -39,21 +39,20 @@ while True:
     for key_pin in key_pin_array:
         if not key_pin.value:  # Is it grounded?
             i = key_pin_array.index(key_pin)
-            print("Pin #%d grounded." % i)
+            print("Pin #%d is grounded." % i)
 
             # Turn on the red LED
             led.value = True
 
             while not key_pin.value:
-                pass  # Wait for it to be released!
-            # Type the Keycode or string
+                pass  # Wait for it to be ungrounded!
+            # "Type" the Keycode or string
             key = keys_pressed[i]  # Get the corresponding Keycode or string
-            # if type(key) is str:
-            if isinstance(key, str):
-                keyboard_layout.write(key)
-            else:
-                keyboard.press(control_key, key)  # Press...
-                keyboard.release_all()  # ...Release!
+            if isinstance(key, str):  # If it's a string...
+                keyboard_layout.write(key)  # ...Print the string
+            else:  # If it's not a string...
+                keyboard.press(control_key, key)  # "Press"...
+                keyboard.release_all()  # ..."Release"!
 
             # Turn off the red LED
             led.value = False

CircuitPython_Essentials/CircuitPython_HID_Mouse.py

@@ -1,21 +1,19 @@
 import time
-from analogio import AnalogIn
+import analogio
 import board
 import digitalio
 from adafruit_hid.mouse import Mouse
-from adafruit_hid.keyboard import Keyboard
 
 mouse = Mouse()
-keyboard = Keyboard()
 
-x_axis = AnalogIn(board.A0)
-y_axis = AnalogIn(board.A1)
+x_axis = analogio.AnalogIn(board.A0)
+y_axis = analogio.AnalogIn(board.A1)
 select = digitalio.DigitalInOut(board.A2)
 select.direction = digitalio.Direction.INPUT
 select.pull = digitalio.Pull.UP
 
-pot_max = 3.29
 pot_min = 0.00
+pot_max = 3.29
 step = (pot_max - pot_min) / 20.0
 
 
@@ -23,7 +21,7 @@ def get_voltage(pin):
     return (pin.value * 3.3) / 65536
 
 
-def steps(axis):  # Maps the potentiometer voltage range from 0-20 in whole numbers
+def steps(axis):  # Maps the potentiometer voltage range to 0-20 in whole numbers
     return round((axis - pot_min) / step)