Update README.md

README.md

@@ -10,3 +10,28 @@ Parts:
 - [NeoPixel Jewel](https://www.adafruit.com/product/2226)
 
 Pictures and things coming soon. 
+
+
+## Setup
+
+### Software
+
+#### Quick Overview
+Download `flashcat.io` and load it into your Arduino IDE.
+Use the Arduino's Library Manager to install these Adafruit libraries as necessary:
+- Adafruit_TCS34725
+- Adafruit_NeoPixel
+- Adafruit_DotStar
+From Arduino's BoardmMnager, select `Adafruit ItsyBitsy M0` in the list of `Adafruit SAMD Boards`.
+Select the appropriate programming port, and upload.
+
+#### Gotchyas
+See the code's comments if things don't seem to work.
+You may need to modify this line that configures the Adafruit_NeoPixels if the LEDS don't all match:
+```
+Adafruit_NeoPixel pixels(NEOPIXEL_NUMPIXELS, NEOPIXEL_PIN, NEO_RGB + NEO_KHZ800);
+```
+
+
+### Hardware
+Pictures and more coming soon.