Simple mashup to control a WS2811/WS2812B led strip connected to a Spark Core through your browser.

Requirements

• Spark Core
• Ruby

Instructions

Spark part

If you have the spark-cli tool installed :

1. Open spark_src/spark-xmas-pixels.ino and change the PIXEL_COUNT and the CONVERT_AT values.
2. spark flash DEVICE_ID spark_src (replace DEVICE_ID with your core device id)

If instead you want to use the Spark WEB IDE :

1. Open spark_src/spark-xmas-pixels.ino and change the PIXEL_COUNT and the CONVERT_AT values.
2. Copy the spark_src/spark-xmas-pixels.ino file into the Spark IDE as a new app.
3. Change #include "neopixel.h" to #include "neopixel/neopixel.h"
4. Be sure to add the NeoPixel library for that app.
5. Verify and flash to your core(s)

Browser part

1. Open public/index.html in a browser.
2. Press the Login button and log in to Particle.io
3. The id of your Particle Core is fetched from Particle.io
4. Play with the lights

### Ruby part

1. gem install bundler
2. bundle install
3. copy config.yml.example config.yml
4. edit config.yml and set your authentication_token and device_id(s)
5. ruby server.rb
6. open up a browser and surf to http://localhost:4567/