Adafruit Flora Setup

1. Download Arduino software

You can download the latest version of the Arduino software here:
https://www.arduino.cc/en/Main/Software

2. Set up Adafruit boards

You need to set up the Arduino software to be able to communicate with the Adafruit microcontroller boards (e.g. the Flora).

To do this, go to the Arduino software preferences, and copy/paste the following into the box labeled "Additional Boards Manager URLs":

https://adafruit.github.io/arduino-board-index/package_adafruit_index.json

Now click Tools / Board / Boards Manager.... Type "adafruit" into the search box. Then select "Adafruit AVR Boards" and click the "Install" button.

Click Tools / Board and select "Adafruit Flora". Also check that Tools / Programmer is set to "USBtinyISP".

3. Install Adafruit NeoPixel library

Within the Arduino software, navigate to:

   Sketch / Include Library / Manage Libraries ...

Then type neopixel into the search box. Select "Adafruit NeoPixel", and then click the Install button.