diff --git a/README.md b/README.md
index 5684a1d..962e4a7 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@ pip3 install note-python
 ```
 
 For use with MicroPython or CircuitPython, copy the contents of the `notecard`
-directory into the `lib` directory of your device.
+directory into the `lib/notecard` directory of your device.
 
 ## Usage
 
diff --git a/examples/notecard-basics/mpy_example.py b/examples/notecard-basics/mpy_example.py
index a1cee74..b355201 100644
--- a/examples/notecard-basics/mpy_example.py
+++ b/examples/notecard-basics/mpy_example.py
@@ -6,7 +6,6 @@
 import sys
 import time
 import notecard
-import board
 
 if sys.implementation.name != "micropython":
     raise Exception("Please run this example in a MicroPython environment.")
@@ -52,11 +51,11 @@ def run_example(product_uid, use_uart=True):
     """Connect to Notcard and run a transaction test."""
     print("Opening port...")
     if use_uart:
-        port = UART(board.UART, 9600)
+        port = UART(1, 115200)
         port.init(9600, bits=8, parity=None, stop=1,
                   timeout=3000, timeout_char=100)
     else:
-        port = I2C(board.I2C_ID, scl=Pin(board.SCL), sda=Pin(board.SDA))
+        port = I2C(1, freq=100000)
 
     print("Opening Notecard...")
     if use_uart:
diff --git a/notecard/binary_helpers.py b/notecard/binary_helpers.py
index c15fe85..47bc92a 100644
--- a/notecard/binary_helpers.py
+++ b/notecard/binary_helpers.py
@@ -1,8 +1,8 @@
 """Helper methods for doing binary transfers to/from a Notecard."""
 
 import sys
-from .cobs import cobs_encode, cobs_decode
-from .notecard import Notecard, CARD_INTRA_TRANSACTION_TIMEOUT_SEC
+from notecard.cobs import cobs_encode, cobs_decode
+from notecard.notecard import Notecard, CARD_INTRA_TRANSACTION_TIMEOUT_SEC
 
 BINARY_RETRIES = 2
 
diff --git a/notecard/card.py b/notecard/card.py
index 6881e28..4edf1af 100644
--- a/notecard/card.py
+++ b/notecard/card.py
@@ -10,7 +10,7 @@
 # This module is optional and not required for use with the Notecard.
 
 import notecard
-from .validators import validate_card_object
+from notecard.validators import validate_card_object
 
 
 @validate_card_object
diff --git a/notecard/env.py b/notecard/env.py
index 0a48cbb..58de6b8 100644
--- a/notecard/env.py
+++ b/notecard/env.py
@@ -10,7 +10,7 @@
 # This module is optional and not required for use with the Notecard.
 
 import notecard
-from .validators import validate_card_object
+from notecard.validators import validate_card_object
 
 
 @validate_card_object
diff --git a/notecard/file.py b/notecard/file.py
index 0253150..91cb5a9 100644
--- a/notecard/file.py
+++ b/notecard/file.py
@@ -10,7 +10,7 @@
 # This module is optional and not required for use with the Notecard.
 
 import notecard
-from .validators import validate_card_object
+from notecard.validators import validate_card_object
 
 
 @validate_card_object
diff --git a/notecard/hub.py b/notecard/hub.py
index 784290a..0403d24 100644
--- a/notecard/hub.py
+++ b/notecard/hub.py
@@ -10,7 +10,7 @@
 # This module is optional and not required for use with the Notecard.
 
 import notecard
-from .validators import validate_card_object
+from notecard.validators import validate_card_object
 
 
 @validate_card_object
diff --git a/notecard/note.py b/notecard/note.py
index 29b60ad..2716687 100644
--- a/notecard/note.py
+++ b/notecard/note.py
@@ -10,7 +10,7 @@
 # This module is optional and not required for use with the Notecard.
 
 import notecard
-from .validators import validate_card_object
+from notecard.validators import validate_card_object
 
 
 @validate_card_object
diff --git a/notecard/notecard.py b/notecard/notecard.py
index 50b2513..3ac22ac 100644
--- a/notecard/notecard.py
+++ b/notecard/notecard.py
@@ -34,14 +34,14 @@
 import os
 import json
 import time
-from .timeout import start_timeout, has_timed_out
-from .transaction_manager import TransactionManager, NoOpTransactionManager
-from .crc32 import crc32
+from notecard.timeout import start_timeout, has_timed_out
+from notecard.transaction_manager import TransactionManager, NoOpTransactionManager
+from notecard.crc32 import crc32
 
 use_periphery = False
 use_serial_lock = False
 
-if sys.implementation.name == 'cpython' and (sys.platform == 'linux' or sys.platform == 'linux2'):
+if sys.implementation.name == 'cpython' and (sys.platform == 'linux' or sys.platform == 'linux2' or sys.platform == 'darwin'):
     use_periphery = True
     from periphery import I2C
 
diff --git a/notecard/transaction_manager.py b/notecard/transaction_manager.py
index bbd5351..fa78a93 100644
--- a/notecard/transaction_manager.py
+++ b/notecard/transaction_manager.py
@@ -3,8 +3,8 @@
 import sys
 import time
 
-from .timeout import start_timeout, has_timed_out
-from .gpio import GPIO
+from notecard.timeout import start_timeout, has_timed_out
+from notecard.gpio import GPIO
 
 
 class TransactionManager: