One of the most popular Trinket projects now has its own kit pack! Make your very own programmable NeoPixel goggles with 2 x 16 LED rings and an Adafruit Trinket. It even comes with a rechargeable LiPoly battery and charger. It's a great easy build and when you're done you'll have the coolest accessory. Follow along with our popular Kaleidoscope Eyes tutorial. The...

We're no longer selling this pack of Trinket 3V+5V, we recommend our Trinket M0 which has better USB support, way faster processor, a ton more memory and CircuitPython support! Be the life of your (hackerspace) party when you show up with this six-pack! Get 6 Trinkets at 12% off - comes with 3 x 3V Trinkets, and 3 x 5V Trinkets. As of October 12th, 2015 the 6-pack...

The Adafruit Trinket M0 may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATSAMD21, 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...

Deprecation Warning: The Trinket 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 Trinket so that people can maintain some older projects, we no longer recommend it. Please check out the Trinket M0. It has built-in USB, more capabilities, and is comparable in price! Trinket may...

Deprecation Warning: The Trinket 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 Trinket so that people can maintain some older projects, we no longer recommend it. Please check out the Trinket M0. It has built-in USB, more capabilities, and is comparable in price! Trinket may...

Deprecation Warning: The Pro Trinket 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 Pro Trinket so that people can maintain some older projets, we no longer recommend it. Please check out the Metro Mini (ATmega328 @ 5V 16 MHz), ItsyBitsy 32u4 5V 16MHz, ItsyBitsy 32u4 @ 3.3V...

Deprecation Warning: The Pro Trinket 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 Pro Trinket so that people can maintain some older projets, we no longer recommend it. Please check out the Metro Mini (ATmega328 @ 5V 16 MHz), ItsyBitsy 32u4 5V 16MHz, ItsyBitsy 32u4 @ 3.3V...

We're no longer selling this pack of Pro Trinket 3V+5V, we recommend our Metro Mini (5V 328P with USB-Serial Converter), Feather 328P (3.3V 328P with USB-Serial and LiPo charger), ItsyBitsy 32u4 (Available in both 3.3V and 5V) and the ItsyBitsy M0. The Metro Mini and Feather 328p both use the same ATmega328P chip, but come with a real USB-serial converter chip. The...

Pickup a copy of Getting Started with Adafruit Trinket and then hit the ground running with one of the most popular Trinket projects: the Trinket-Powered NeoPixel Goggle Kit Pack! This pack is perfect for somebody who is up for a little challenge and eager to dive further into the wonderful world of Adafruit Trinket. This pack includes the Getting Started book and...

Pick up a copy of "Getting Started with Adafruit Trinket" and for a couple dollars more, hit the ground running with a Trinket 5V! As of October 12th, 2015 this product now ships with an Adafruit Trinket with a micro-USB plug. This pack is great for somebody starting out with microcontrollers to get them up and running quickly with this board, as well as for somebody...

Light, Sound, and Motor Projects On the Low-Cost Mini Microcontroller Arduino's ubiquity and simplicity has led to a gigantic surge in the use of microcontrollers to build programmable electronics project. Despite the low cost of Arduino, you're still committing about $30 worth of hardware every time you build a project that has an Arduino inside. This is where...

If you have an ItsyBitsy or Pro Trinket you probably know it's the perfect little size for a portable project. This LiPoly backpack makes it really easy to do! Instead of wiring 2 or 3 boards together to make a charging system, this little PCB sits on top of the PCB and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket or ItsyBitsy USB port is powered,...

What a cutie pie! Or is it... a QT Py? This diminutive dev board comes with our favorite lil chip, the SAMD21 (as made famous in our GEMMA M0 and Trinket M0 boards). This time it comes with our favorite connector - the STEMMA QT, a chainable I2C port that can be used with any of our STEMMA QT sensors and accessories. OLEDs! Inertial Measurment Units! Sensors...

What's smaller than a Feather but larger than a Trinket? It's an ItsyBitsy! Small, powerful, Arduino-compatible - this microcontroller board is perfect when you want something very compact, but still with a bunch of pins. ItsyBitsy is only 1.4" long by 0.7" wide, but has 6 power pins, 6 analog & digital pins and 17 digital pins. It packs much of the same...

What's smaller than a Feather but larger than a Trinket? It's an Itsy Bitsy! Small, powerful, Arduino-compatible - this microcontroller board is perfect when you want something very compact, but still with a bunch of pins. Itsy Bitsy is only 1.4" long by 0.7" wide, but has 6 power pins, 6 analog & digital pins and 17 digital pins. It packs much of the same...

Wouldn't it be cool to drive a tiny OLED display, read a color sensor, or even just flash some LEDs directly from your computer? Sure you can program an Arduino or Trinket to talk to these devices and your computer, but why can't your computer just talk to those devices and sensors itself? Well, now your computer can talk to devices using the Adafruit FT232H breakout...

A simple 2-pin connector that is compatible with the "JST PH 2-pin" connector - perfect for soldering to the bottom of our 3.3V Logic Trinket and 5V Logic Trinket! These mate perfectly with all our 1-cell LiPoly and LiIon batteries as well as our 6V coin cell holder and 3xAAA battery pack. We also have simple JST pigtails that mate with this connector. Note: This...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy M4 Express featuring the Microchip ATSAMD51! Small, powerful, with a ultra fast ATSAMD51 Cortex M4 processor running at 120 MHz - this microcontroller board is perfect when you want something very compact, with a ton of horsepower and a bunch of pins. This Itsy is like a bullet train,...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the Nordic nRF52840 Bluetooth LE processor! Teensy & powerful, with an fast nRF52840 Cortex M4 processor running at 64 MHz and 1 MB of FLASH - this microcontroller board is perfect when you want something very compact, with a heap-load of memory and...

Wouldn't it be cool to drive a tiny OLED display, read a color sensor, or even just flash some LEDs directly from your computer? Sure you can program an Arduino or Trinket to talk to these devices and your computer, but why can't your computer just talk to those devices and sensors itself? Well, now your computer can talk to devices using the Adafruit MCP2221A...

What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy M0 Express! Small, powerful, with a rockin' ATSAMD21 Cortex M0 processor running at 48 MHz - this microcontroller board is perfect when you want something very compact, but still with a bunch of pins. ItsyBitsy M0 Express is only 1.4" long by 0.7" wide, but has 6 power pins, 23...

It's half USB Key, half Adafruit Trinket...it's Neo Trinkey, the circuit board with a Trinket M0 heart and four RGB NeoPixels for customizable glow. We were inspired by some USB key flashlight boards that would turn any battery pack into an LED torch. So we thought, hey what if we made something like that but with fully programmable color NeoPixels? And this is what...

It's half USB Key, half Adafruit Trinket M0, half APDS9960 breakout...it's Proximity Trinkey, the circuit board with a Trinket M0 heart, APDS9960 Proximity, Light, RGB, and Gesture Sensor, and two RGB NeoPixels for a customizable glow. We wanted to make it super-easy to add one of our most popular combination-sensors to any computer with a USB port and this one is...

It's half USB Key, half Adafruit Trinket, half mechanical keeb...it's NeoKey Trinkey, the circuit board with a Trinket M0 heart, a NeoPixel glow, and a Cherry MX-compatible. We were inspired by single-key macro pads we've seen. So we thought, hey what if we made something like that that plugs right into your computer's USB port, with a fully programmable color...

It's half USB Key, half Adafruit Trinket, half rotary encoder...it's Rotary Trinkey, the circuit board with a Trinket M0 heart, a NeoPixel glow, and a rotary encoder body. We were inspired by this project from TodBot where a rotary encoder was soldered onto a QT Py. So we thought, hey what if we made something like that that plugs right into your computer's USB port,...

Make: Getting Started with Circuit Playground Express is written by our friend, Anne Barela, author of G.S.W. Adafruit Trinket. Anne is an engineer and Maker with the Adafruit team. We also have a great bundle that includes everything you need to follow along with the projects in the book, no soldering required! This book gives you the low-down on microcontrollers by...

It's half USB Key, half Adafruit Trinket, half mini slide pot... it's Slider Trinkey, the circuit board with a Trinket M0 heart, NeoPixel glow, and a 35mm long 10KΩ slide potentiometer. The PCB is designed to slip into any USB A port on a computer or laptop. There's an ATSAMD21 microcontroller on board with just enough circuitry to keep it happy. One pin of the...

HackSpace Magazine is the monthly magazine for the modern maker! Issue #25 highlights the best toys, tools, and trinkets for your hacker Christmas list. This issue is bootloaded (ok, forgive us) with tons of DIY tutorials (how to make beautiful, weird sounds with a NeoTrellis, linking your phone to your CircuitPython-running microcontroller to send data and commands,...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! SuperMegaSpecial! Get three SpokePOV kits in one color only, a dongle and 2 magnets! Great setup for 1 wheel. Be sure to read the individual pages about the Kit, USBtiny, and Magnet before purchasing, OK?

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! SuperMegaSpecial! Get three SpokePOV kits in one color only, a dongle and 2 magnets! Great setup for 1 wheel. Be sure to read the individual pages about the Kit, USBtiny, and Magnet before purchasing, OK?

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! SuperMegaSpecial! Get three SpokePOV kits in one color only, a dongle and 2 magnets! Great setup for 1 wheel. Be sure to read the individual pages about the Kit, USBtiny, and Magnet before purchasing, OK?

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! The spokepov kit comes unassembled and includes electronic parts and circuit board for one basic configuration Road/MTB SpokePOV with 4K of memory (for 4 animation images) and 60 high brightness LEDs (30 on each side). In order to upload images...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! The spokepov kit comes unassembled and includes electronic parts and circuit board for one basic configuration Road/MTB SpokePOV with 4K of memory (for 4 animation images) and 60 high brightness LEDs (30 on each side). In order to upload images...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! The spokepov kit comes unassembled and includes electronic parts and circuit board for one basic configuration Road/MTB SpokePOV with 4K of memory (for 4 animation images) and 60 high brightness LEDs (30 on each side). In order to upload images...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! The spokepov kit comes unassembled and includes electronic parts and circuit board for one basic configuration Road/MTB SpokePOV with 4K of memory (for 4 animation images) and 60 high brightness LEDs (30 on each side). In order to upload images...

*Discontinued* – For another way to create a Bike Wheel POV Display using our Pro Trinket, check out this learn guide! SuperMegaSpecial! Get three SpokePOV kits in one color only, a dongle and 2 magnets! Great setup for 1 wheel. Be sure to read the individual pages about the Kit, USBtiny, and Magnet before purchasing, OK?

It's half USB Key, half Adafruit QT Py, and a lotta RP2040...it's Trinkey QT2040, the circuit board with an RP2040 heart and Stemma QT legs. Folks are loving the QT Py 2040 we made, but maybe you want something plug-and-play. So we thought, hey what if we made something like that plugs right into your computer's USB port? And this is what we came up with! The PCB is...

Here is the perfect hardware kit to make a RP2040 QT Trinkey into any kind of USB-connected smart sensor with a QT-sensor-sandwich! You can assemble it with just a plain Phillips screwdriver. Takes less than a minute to bolt on your favorite STEMMA QT or Qwiic board on top. And best of all, its stackable, so you could have multiple boards sandwiched on top of each...

If you've got a computer or laptop with a USB C port, but you're itching to use one of our fancy new Trinkeys, this adapter will do an excellent job at turning that USB Type C port into a USB A port! Works great with any device that has a USB C port. These adapters don't magically give you USB C speeds into a USB 2.x device, and they won't give you the power...