NEW GUIDE: Adafruit Rotary Trinkey #AdafruitLearningSystem #Adafruit @adafruit

Half USB Key, half Adafruit Trinket, half rotary encoder!

Rotary Trinkey is 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, with a fully programmable color NeoPixel? And this is what we came up with!

The Adafruit Rotary Trinkey guide has everything you need to get started with your new board. There’s an overview, pinouts, CircuitPython and Arduino basics, and resource downloads. There are examples of how to use rotary encoder in both CircuitPython and Arduino.

Check out the full guide: Adafruit Rotary Trinkey!


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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