Deprecation Warning: The Gemma bit-bang USB technique it uses doesn't work as well as it did in 2014, many modern computers won't work well. So while we still carry the Gemma so that people can maintain some older projects, we no longer recommend it.

Round and round and round they go! 16 ultra bright smart LED NeoPixels are arranged in a circle with 1.75" (44.5mm) outer diameter. The rings are 'chainable' - connect the output pin of one to the input pin of another. Use only one microcontroller pin to control as many as you can...

What's a wearable project without LEDs? Our favorite part of the Flora platform is these tiny smart pixels. Designed specifically for wearables, these updated Flora NeoPixels have ultra-cool technology: these ultra-bright LEDs have a constant-current driver cooked right into the LED...

This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries and have an on-off switch. That makes...

By popular demand, we now have a handy extension cord for all of our JST PH-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One end has a JST-PH compatible socket, and the other end has a matching plug. Between the two, 500mm of color coded wire. Handy for wearable...

Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAA's. This is a pack of 2 AAA batteries.These batteries are Alkaline (MnO2) chemistry,...

Perfect for bread-boarding, free wiring, etc. This box contains 6 spools of solid-core wire. These spools of solid-core wires are easily soldered to, keeps its shape pretty well when bent and is rated 80C and 300V (UL AWM style 1007). We...

Get started with Adafruit GEMMA with this lovely starter kit! Included is everything you need to make a basic project. There's a GEMMA M0, four sewable bright RGB pixels, a battery holder (coin cell batteries not included), 2-ply conductive thread, alligator clips to help you test...

Go interactive with sensors and Adafruit GEMMA with this lovely starter kit! Included is everything you need to make a basic sensing project (or two). There's a GEMMA board, four sewable bright RGB pixels, a motion sensor, a switch, a light sensor, a piezo, a rechargeable battery and...

Make your wearables glow with the GEMMA sequin pack! This GEMMA parts pack makes it easy to add light to your wearables. It comes with thread, needles, a holder for 2 x CR2032 coin cell batteries, a GEMMA sewable microcontroller, and warm white Adafruit LED Sequins. This pack...