Update docs for auto and favour Python 3

README.md

@@ -18,14 +18,42 @@ Python library for the [Inky pHAT](https://shop.pimoroni.com/products/inky-phat)
 
 # Installation
 
-The Python pip package is named inky, install with:
+The Python pip package is named inky, on the Raspberry Pi install with:
 
 ```
-sudo pip install inky
+pip3 install inky[rpi,fonts]
 ```
 
+This will install Inky along with dependencies for the Raspberry Pi, plus fonts used by the examples.
+
+If you want to simulate Inky on your desktop, use:
+
+```
+pip3 install inky
+```
+
+You may need to use `sudo pip3` or `sudo pip` depending on your environment and Python version.
+
 # Usage
 
+## Auto Setup
+
+Inky can try to automatically detect your board and set up accordingly:
+
+```python
+from inky.auto import auto
+board = auto()
+```
+
+You can then get the colour and resolution from the board:
+
+```python
+board.colour
+board.resolution
+```
+
+## Manual Setup
+
 The Inky library contains modules for both the pHAT and wHAT, load the InkyPHAT one as follows:
 
 ```python

library/README.rst

@@ -31,15 +31,47 @@ and more.
 Installation
 ============
 
-The Python pip package is named inky, install with:
+The Python pip package is named inky, on the Raspberry Pi install with:
 
 ::
 
-   sudo pip install inky
+   pip3 install inky[rpi,fonts]
+
+This will install Inky along with dependencies for the Raspberry Pi,
+plus fonts used by the examples.
+
+If you want to simulate Inky on your desktop, use:
+
+::
+
+   pip3 install inky
+
+You may need to use ``sudo pip3`` or ``sudo pip`` depending on your
+environment and Python version.
 
 Usage
 =====
 
+Auto Setup
+----------
+
+Inky can try to automatically detect your board and set up accordingly:
+
+.. code:: python
+
+   from inky.auto import auto
+   board = auto()
+
+You can then get the colour and resolution from the board:
+
+.. code:: python
+
+   board.colour
+   board.resolution
+
+Manual Setup
+------------
+
 The Inky library contains modules for both the pHAT and wHAT, load the
 InkyPHAT one as follows: