The hoodie has a 9 x 9 matrix of WS2812B LEDs: 9 rows of 30/m strips left over from the Tardis. It’s driven by a Teensy 3.1 with a 12000mAh LiPo battery. I sewed the LEDs onto a t-shirt which I then cut the back off of and stitched into the existing seams on the sweatshirt. This technique gives it a completely seamless appearance. When the LEDs are off, it looks like a normal sweatshirt. I unfortunately haven’t had time to write any pattern code for the sweatshirt specifically. From running the Tardis code on it I’ve learned that the patterns that feature a lot of pixels completely off look the best since it makes it harder to tell the extents of the pixel matrix. I added an XBee socket to the controller as well so I could pick up the beat telemetry data from the Fuzzyland system.
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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.