Merge pull request #55 from DJDevon3/WorkingBranch

Update import and initializations to current standards

Author: BlitzCityDIY

examples/pca9685_calibration.py

@@ -7,18 +7,15 @@
 # speed.
 
 import time
-
-from board import SCL, SDA
-import busio
-
-# Import the PCA9685 module.
+import board
 from adafruit_pca9685 import PCA9685
 
 # Create the I2C bus interface.
-i2c_bus = busio.I2C(SCL, SDA)
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = busio.I2C(board.GP1, board.GP0)    # Pi Pico RP2040
 
 # Create a simple PCA9685 class instance.
-pca = PCA9685(i2c_bus)
+pca = PCA9685(i2c)
 
 # Set the PWM frequency to 100hz.
 pca.frequency = 100

examples/pca9685_servo.py

@@ -2,16 +2,12 @@
 # SPDX-License-Identifier: MIT
 
 import time
-
-from board import SCL, SDA
-import busio
-
-# Import the PCA9685 module. Available in the bundle and here:
-#   https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
+import board
 from adafruit_motor import servo
 from adafruit_pca9685 import PCA9685
 
-i2c = busio.I2C(SCL, SDA)
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = busio.I2C(board.GP1, board.GP0)    # Pi Pico RP2040
 
 # Create a simple PCA9685 class instance.
 pca = PCA9685(i2c)

examples/pca9685_simpletest.py

@@ -1,20 +1,19 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
-# This simple test outputs a 50% duty cycle PWM single on the 0th channel. Connect an LED and
-# resistor in series to the pin to visualize duty cycle changes and its impact on brightness.
+# Outputs a 50% duty cycle PWM single on the 0th channel.
+# Connect an LED and resistor in series to the pin
+# to visualize duty cycle changes and its impact on brightness.
 
-from board import SCL, SDA
-import busio
-
-# Import the PCA9685 module.
+import board
 from adafruit_pca9685 import PCA9685
 
 # Create the I2C bus interface.
-i2c_bus = busio.I2C(SCL, SDA)
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = busio.I2C(board.GP1, board.GP0)    # Pi Pico RP2040
 
 # Create a simple PCA9685 class instance.
-pca = PCA9685(i2c_bus)
+pca = PCA9685(i2c)
 
 # Set the PWM frequency to 60hz.
 pca.frequency = 60