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LEARN HOME
TRINKET
67 GUIDES | 379 PAGES | 11 FEATURED | 2 POPULAR
LED Campfire
Because it's not camping without a fire
by Erin St Blaine
Sit around this mesmerizing LED campfire and tell stories, sing songs and bask in its firey glow -- no lighter fluid required.
FEATURED
Adafriend the Virtual Pet Cube
Need a friend or a workbench buddy for long hacking sessions? Build one that responds to your interactions, sings, and shows emotion!
by John Wall
In this Pro Trinket powered project, build and 3D print yourself a friend, an Adafriend! This little colorful guy with an eye responds to taps and vibrations, and shows emotion on its little LED matrix face with a sad, neutral, happy, or angry face. It plays tones that correspond to it's emotional state, and even sings some recognizable tunes and themes when it's in the mood! If left alone for too long it gets lonely, but pester your pet too much and it may get angry at you! Build yourself an Adafriend and keep it happy to sing along with the coolest cube around!
Animated Flame Pendant
Turn on your heart light!
by Phillip Burgess
There’s no actual flame here, no heat…instead, LEDs and a microcontroller make a virtual flame that dances like the real thing.
Fair Weather Friend: Internet-Connected Migraine or Allergies Detector
"Web scraping" provides an alternative to restrictive programming APIs
by Phillip Burgess
Using forecasts by AccuWeather.com, this wireless ambient display predicts health issues like allergies or arthritis, or good days ahead for leisure activities like golf or sailing.
Trinket React Counter
Make a Physical Like Button
by Ruiz Brothers
Digital tally counter using a Trinket and 7-segment display.
Morning Star POV Double Staffs
288 points of twirling, programmable lights
by Erin St Blaine
Remote-controllable twirling double staff batons create a mesmerising light show. Upload your own logos, patterns, or pictures. An IR remote control lets you easily change pattern, brightness, or speed.
Talking d20 20-Sided Gaming Die
“Greetings, adventurer!”
by Phillip Burgess
The 20-sided die — or “d20” as it’s known to tabletop gamers — is an icon of geek culture. We’ll 3D-print a jumbo d20 and outfit it with electronics to announce your rolls (and a few surprises).
Galaxy Pendant
Wireless charging and rugged indestructibility in a beautiful little glowing pendant
by Erin St Blaine
Make a necklace, hat, or bike accessory that's virtually indestructible. This gorgeous twinkly wearable light is playa-proof, kid-proof, spill-proof, and ocean-proof. Wear it while exploring sunken ships, walking on the moon or exploring the desert, or give it to your teething 2 year old.
Genesis Poi: DotStar LED Persistence-of-Vision
High tech, all-season, water- and playa-resistant poi that you can build and customize yourself!
by Phillip Burgess
Persistence of vision (POV) is the illusion of a solid image where there is none — a task for which LEDs and microcontrollers are a natural fit. Poi is a performance art of spinning tethered weights. Some of the most dramatic performances use fire poi! We sought to create something with that level of “wow,” but safer and usable indoors or out. And so these “Genesis” POV-poi were born.
NeoMatrix 8x8 Word Clock
using the NeoPixel NeoMatrix 8x8 to power a word clock!
by Andy Doro
A word clock tells the time using words. This clock uses the NeoMatrix 8x8 to create a colorful word clock!
Pro Trinket Power Meter
Build a small meter to display voltage, current, and power usage.
by Tony DiCola
Use a Pro Trinket and INA219 breakout to build a small power meter that displays voltage, current, and power consumption on an OLED display.
Crystal Glow Knuckles
Glow like a firefly, sting like a bee
by M. Borgatti
Ok, maybe not sting like a bee. With these squishy cast silicone crystals, it'll be more "sting like a gummy bear" but that's part of the charm. This 3d printed Pro Trinket powered NeoPixel ring contains all the brains, battery, and lights to put on a stunning show.
FEATURED
Bluetooth-Controlled NeoPixel Goggles
Adding a smartphone interface to your wearable project couldn't be easier!
by Phillip Burgess
Incorporating Bluetooth in a project no longer requires the most advanced microcontroller or lots of code…our Bluefruit LE UART Friend and accompanying app for iOS and Android make it easy! Building upon our popular "Kaleidoscope Eyes" NeoPixel goggles project, this guide shows how Bluetooth LE can be used even with the most modest setup.
FEATURED
Really Simple Animatronic Tail
A single servo, a little math…let the wild rumpus start!
by Phillip Burgess
Bypassing a lot of the mechanical engineering typically required of animatronic creations, this project works with gravity (rather than fighting it) to create a wagging costume tail. Thank you Galileo!
Adding Third Party Boards to the Arduino v1.6.4+ IDE
Easily add support for Adafruit boards to Arduino v1.6.4!
by Todd Treece
Version 1.6.4 of the Arduino IDE introduced official support for adding third party boards to the new Board Manager. This short tutorial will walk you through how to add new boards so you will easily be able to install support for the Flora, Gemma, Trinket, Trinket Pro, and the ESP8266 HUZZAH.
Color Balancing Video Camera Light feat. DotStars
Sometimes you need warm white, and sometimes you need cool white, so why not have both?
by Timothy Reese
A hurdle with all video lighting is getting the color balance correct. This guide is covers how to construct a LiPoly battery powered camera light fitting hotshoes and tripods, for lighting your subjects and bowls of fruit in any combination of warm and cool light with zero flicker.
POPULAR
Adafruit Arduino IDE Setup
Setup the Arduino IDE to work with Trinket, Gemma, Flora, and more!
by Tony DiCola
Learn how to install and setup the Arduino IDE to work with Adafruit's Trinket, Pro Trinket, Gemma, Flora, and other boards.
Introducing the iTapStick: Video Game USB Mouse Stick for Wii Nunchuk Controllers
Play One Finger Death Punch Martial Arts PC Game with Wii Nunchuks using a Nunchucky + Pro Trinket
by itaparcade
Kung Fu video games are only as good as the controllers used to interact with them. One Finger Death Punch (OFDP) for Steam on the PC is one of those games that's OK to play with a mouse or an XBox controller, but with Wii Nunchuks the fun meter is maxed out! This project shows how you can transform Wii Nunchuks into custom nunchuck controllers for the OFDP video game on a PC using a Nunchucky adapter and Pro Trinket creating what we call the iTapStick!
ReBoots Animated LED Boot Laces
These boots are made for dancing, and that's just what they'll do
by Erin St Blaine
Neopixels and light pipe animate your boot laces and make you jump out from the crowd. The laces animate smoothly while you walk around, and go crazy when you stomp your feet to the beat.
Steampunk Cameo Necklace with OLED Display
Make a vampire happy with this cameo-meets-OLED-screen.
by Leslie Birch
This nouveau cameo uses an Adafruit Pro Trinket and OLED screen to flash bitmaps of you and your loved one in between hearts. Warning: Dog and cat pics look especially cute and may attract werewolves.
Pro Trinket Rotary Encoder
Use Pro Trinket as a combination keyboard and mouse device
by Mike Barela
Pro Trinket can function as both a USB HID keyboard and mouse at the same time with the introduced Arduino library. This project demonstrates using a rotary encoder as a multimedia volume control and mute switch for your computer.
Pro Trinket as a USB HID Mouse
Use Pro Trinket as a USB mouse device on your PC
by Mike Barela
Pro Trinket can provide emulated PC USB mouse input in your next project. The small size and low parts count makes it a natural.
DotStar Belly Dance Fans
Dance like the Magical Stardust Pixie You Are
by Erin St Blaine
Make your own persistence-of-vision LED dance fans. Switch between pattern modes with a button click and easily add your own colors and modes. Whether you're a professional belly dancer or just want to stand out on the dance floor, these fans will make you shine.
USB Foot Switch
Make a custom foot-activated keyboard for your PC
by Mike Barela
Do you have a key press or some text you are constantly needing to input to your PC yet both your hands are occupied? Put your foot to use by connecting a foot switch to your USB port via a Trinket. As programmed, it allows Windows PCs to perform a screen capture.
Pocket Galaxy
A blackhole in your pocket :)
by James DeVito
This project uses NeoPixels and see-through mirrors to create a seemingly endless tunnel of leds, all enclosed in a 3d printed case. A LiPoly battery and charger keeps it blinking on the go.