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RELATED GUIDES

Your Pulse Displayed with NeoPixels
Visualize your heartbeat in colorful ways
by Mike Barela
Using the Pulse Sensor Amped, displayed on Adafruit NeoPixels.
Sipping Power With NeoPixels
LED smarter, not harder
by Phillip Burgess
For NeoPixel projects, careful planning and software design — instead of brute force — can yield impressive run times even with modest batteries.
Raspberry Pi WiFi Radio
Internet-streamed music around the house
by Phillip Burgess
Raspberry Pi, the little wonder-puter that’s taken the world by storm, is so affordable that we can create single-purpose “appliances” around them without shame. Here’s our take on one of the more popular such applications: internet streaming media, the Pandora music service specifically.
Introducing Trinket
Introducing Adafruit's mini microcontroller
by lady ada
Trinket may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Perfect for when you don't want to give up your expensive dev-board and you aren't willing to take apart the project you worked so hard to design. It's our lowest-cost Arduino-IDE programmable board!