Merge pull request #5 from jposada202020/adding_board.I2C_definition

Adding learning guide, changing references to board.I2C

Author: jposada202020

README.rst

@@ -62,11 +62,10 @@ Usage Example
 .. code-block:: python
 
     import time
-    import busio
     import board
     import adafruit_sht4x
 
-    i2c = busio.I2C(board.SCL, board.SDA)
+    i2c = board.I2C()   # uses board.SCL and board.SDA
     sht = adafruit_sht4x.SHT4x(i2c)
     print("Found SHT4x with serial number", hex(sht.serial_number))
 

adafruit_sht4x.py

@@ -86,26 +86,25 @@ class SHT4x:
     """
     A driver for the SHT4x temperature and humidity sensor.
 
-    :param ~busio.I2C i2c_bus: The `busio.I2C` object to use.
-    :param int address: The I2C device address for the sensor. Default is :const:`0x44`
+    :param ~busio.I2C i2c_bus: The I2C bus the SHT4x is connected to.
+    :param int address: The I2C device address. Default is :const:`0x44`
 
 
     **Quickstart: Importing and using the SHT4x temperature and humidity sensor**
 
-        Here is one way of importing the `SHT4x` class so you can use it with the name ``sht``.
+        Here is an example of using the :class:`SHT4x`.
         First you will need to import the libraries to use the sensor
 
         .. code-block:: python
 
-            import busio
             import board
             import adafruit_sht4x
 
-        Once this is done you can define your `busio.I2C` object and define your sensor object
+        Once this is done you can define your `board.I2C` object and define your sensor object
 
         .. code-block:: python
 
-            i2c = busio.I2C(board.SCL, board.SDA)
+            i2c = board.I2C()   # uses board.SCL and board.SDA
             sht = adafruit_sht4x.SHT4x(i2c)
 
         You can now make some initial settings on the sensor

docs/index.rst

@@ -23,6 +23,8 @@ Table of Contents
 .. toctree::
     :caption: Tutorials
 
+    Adafruit Sensirion SHT40 Temperature & Humidity Sensor <https://learn.adafruit.com/adafruit-sht40-temperature-humidity-sensor>
+
 .. toctree::
     :caption: Related Products
 

examples/sht4x_simpletest.py

@@ -3,11 +3,10 @@
 # SPDX-License-Identifier: MIT
 
 import time
-import busio
 import board
 import adafruit_sht4x
 
-i2c = busio.I2C(board.SCL, board.SDA)
+i2c = board.I2C()
 sht = adafruit_sht4x.SHT4x(i2c)
 print("Found SHT4x with serial number", hex(sht.serial_number))