Merge pull request #2 from dglaude/patch-1

Update README.rst

Author: Gadgetoid

README.rst

@@ -63,11 +63,23 @@ Usage Example
 .. code-block:: python
 
     import time
+    import analogio
+    import digitalio
+    import board
     from pimoroni_mics6814 import Pimoroni_MICS6814
 
+    PIN_NH3 = analogio.AnalogIn(board.A0)
+    PIN_RED = analogio.AnalogIn(board.A1)
+    PIN_OX = analogio.AnalogIn(board.A2)
+    PIN_ENABLE = digitalio.DigitalInOut(board.A4)
+
+    MICS6814 = Pimoroni_MICS6814(PIN_OX, PIN_RED, PIN_NH3, PIN_ENABLE)
+
     while True:
+        print(MICS6814.read_all())
         time.sleep(1.0)
 
+
 Contributing
 ============