more updates to the usage example

Author: mrmcwethy

README.rst

@@ -37,25 +37,22 @@ Usage Example
 ```
 import busio
 import digitalio
-from board import SCK, MOSI, MISO, GPIO0, GPIO15
+from board import SCK, MOSI, MISO, D2, D2
 
 from adafruit_rgb_display import color565
 import adafruit_rgb_display.ili9341 as ili9341
 
 
-# Configuratoin for CS and DC pins (these are FeatherWing defaults on ESP8266):
-CS_PIN = GPIO0
-DC_PIN = GPIO15
-# Config for display baudrate (default is 32mhz, about as fast as the ESP supports):
-BAUDRATE = 32000000
-
+# Configuration for CS and DC pins:
+CS_PIN = D2
+DC_PIN = D3
 
 # Setup SPI bus using hardware SPI:
 spi = busio.SPI(clock=SCK, MOSI=MOSI, MISO=MISO)
 
 # Create the ILI9341 display:
 display = ili9341.ILI9341(spi, cs=digitalio.DigitalInOut(CS_PIN),
-                          dc=digitalio.DigitalInOut(DC_PIN), baudrate=BAUDRATE)
+                          dc=digitalio.DigitalInOut(DC_PIN))
 
 # Main loop:
 while True: