An RGB LED NeoPixel cube circuit sculpture with CircuitPython #QTPy #CircuitPython

Maker Hari Wiguna has shown off freeform circuit sculpture with a difference: It’s made using upcycled CAT5 Ethernet cabling and “floats” inside an acrylic cube.

“It all started with this remnant CAT5 Ethernet cable,” Wiguna writes of the project… inside are six solid wires. After completely stripping away the insulation, I straighten them by clamping one end on the vise and pulling the other end until the wire stretches and become very straight.”

A laser-cut cardboard jig holds WS2812B RGB LEDs, jauntily positioned at a 45 degree angle to ease the wiring, while the rods are soldered in place.

With one layer complete, Wiguna repeated the process — eventually ending up with four, assembled into a 4x4x4 RGB LED cube. “I wanted the cube to be ‘floating’ in the middle of the laser cut acrylic case,” the maker notes, “so I kept the extra long leads and use them to position the cube in the middle of the case.”

Finally, the cube — which runs from a single data pin — is connected to an Adafruit QT Py and programmed in CircuitPython, with power provided by a 2A wall-wart power adaptor.

Finally, the cube — which runs from a single data pin — is connected to an Adafruit QT Py (augmented with a 2MB SPI flash chip) and programmed in CircuitPython, with power provided by a 2A wall-wart power adaptor.

See the video below and more on hackaday.io and hackster.io


As 2022 starts, let’s take some time to share our goals for CircuitPython in 2022. Just like past years (full summary 2019, 2020, and 2021), we’d like everyone in the CircuitPython community to contribute by posting their thoughts to some public place on the Internet. Here are a few ways to post: a video on YouTub, a post on the CircuitPython forum, a blog post on your site, a series of Tweets, a Gist on GitHub. We want to hear from you. When you post, please add #CircuitPython2022 and email circuitpython2022@adafruit.com to let us know about your post so we can blog it up here.

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