My entry for the Internet of Holiday Lights is an electro-mechanical wreath.
My first blog post was a brain dump of possibilities.
In my second post I made a paper prototype.
My third post was about getting the Arduino Yun up and running.
In the fourth post I used the Linux part of the Yun to get at the current date and time.
In the fifth post I scavenged a stepper motor from a flatbed scanner.
In post six that motor was running.
Post seven is covering the Infineon RGB LED shield.
My post number eight is an aside on programming the advent calendar logic.
This time I'm covering the creative 'Arts & Crafts" part.
Building the wreath
One of my kids helped me (read: did virtually everything) to build the wreath. We used only simple techniques.
The first task was to draw the top and bottom layer on a piece of paper.
We then transferred these drawings onto thick carton. We used a fat pencil to color the backside of both drawings black, taped the paper on the carton and traced the cut lines.
That transfers the lines to the carton
Next actions were to dremel out the two layers...
... and to decorate them
Then it was back over to me, to add leds and motor, and to assemble the wreath.
Now the only two things left are writing the firmware and building the secret IoT part...
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