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Here’s basically how to set up your own merry textmas:

  1. Buy all the stuff.
  2. Set up your Twilio number
  3. Install the code on the raspberry pi and connect it to your wifi
  4. Mount it in the plastic box cut out a hole for the chargers, and for the four sockets and attaching the arduino and raspberry pi to the lid. Wire it all together patiently.
  5. Deploy to AppEngine.
  6. Make a sign (or alter the one below.)
  7. Put lights in your trees and plug it in!

What you’ll need:

We relied heavily on this awesome instructables to get started: But made some modifications. For the most part, it’s Arduino + Raspberry Pi + Twilio API + Google AppEngine

textmas download the big PDF here: Poster.

Here are the ingredients:

The code (you're here!)

The blinky bits

  1. SeedStudio Relay Shield
  2. Arduino Uno
  3. Raspberry Pi
  4. Usb WiFi adapter (
  5. SD card (

The magic bits

The connectors and containers

And the cheer!

  • Outdoor holiday LED string lights
    4 colors: white, yellow, blue, and red.
  • zip ties
  • a ladder
  • a tree or something else to decorate.

Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License ( "Creative Commons License") This work is licensed under a href="


pick the color of holiday string lights by SMS



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