Wanted to make something for the holidays so made a tree topper. Uses 11 neopixel jewels in a string mounted to a 3D printed start. The jewels are perfect for lighting up the star arms reflecting and diffusing through each facet. I frankencoded a bunch of fastLED code to get the effects I wanted. The coolest one is the cylon style display as each arm lights up with cool effects.
The neopixel jewels are wired with the first in line at the start apex and then spiral down clockwise through the next two rows of ten arms. I was going to use a PIR sensor, but mine pooped out and was giving me garbage reads, so went with random.
There were a few stumbling blocks like using randomseed and how it effected the flow of the code, but I have it completed and working.
I used 10 of my favorite fastLed displays and modified some and created some. Looks really great. Will post vid when on top o the tree. The links are in the code header for the 3D print.
Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!
Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.