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RELATED GUIDES

Animating Multiple LED Backpacks
Lights! Action! MORE LIGHTS! MORE ACTION!
by Phillip Burgess
Adafruit LED backpacks make it incredibly simple to add small bitmapped displays to a project. Each requires just four wires: power, ground and two communication lines to a microcontroller. Here’s how to use more than one 8x8 matrix backpack in an Arduino sketch.
Trinket / Gemma Blinky Eyes
Spook up your Halloween item with Blinky Eyes
by Mike Barela
A spin off a recent MAKE project Spooky Blinky Eyes, this adds pulsing, blinking LED eyes to your project. In a new twist, a photocell is added so the effect only displays when the lights are low.
Trinket Powered Rover
Small and sweet this rover can't be beat.
by Rick Winscot
Here's a low-cost and ultra fun rover to make yourself or use as a teaching aid.
VU Meter Baseball Hat
Sound sensitive NeoPixel cap
by Becky Stern
Bring the noise to your skull by wiring up your own audio-reactive light-up hat, powered by FLORA and Adafruit Electret Mic Amplifer!