The Infinity USB Knob #Trinket #TrinketM0 @Hackaday @HackadayIO

Hackaday.io user vincentmakes posts a terrific project, building a stylish control knob which can plug into a computer for control.

I found very few solutions that would allow me to execute repetitive keyboard actions. It is something that could be useful when working with Lightroom or Photoshop in order to quickly reverse a few actions back and forth to visualize the result.

All commercial items I found are task specific and not very customizable, so I decided to build my own.

By using the push button on the rotary encoder, I should be able to switch between pre-defined shortcut and get a visual feedback using the NeoPixel ring.

I also want to make something accessible to anyone and easy to reproduce.

The project uses a rotary encoder, an Adafruit Trinket M0 microcontroller and a 16 NeoPixel ring which lights up the project

Several mode are available at each push of the rotary knob, allowing to switch between shortcut possibilities:

Mode Action Shortcut (MacOs) LED Colors
1 Undo/Redo Lightroom or Photoshop Cmd+Z/Shit+Cmd+Z Blue
2 Volume HID Volume +/- Green
3 Close/Reopen tab Chrome Cmd+W/Cmd+Shift+T Purple
4 10s Forward/Backward in VLC Cmd+Alt+Left/Cmd+Alt+Right Orange

See the project in this Hackaday article, this hackaday.io site, and the project video below.

Let us know your projects and their documentation in the comments below.


8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!

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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