Issue 25 – HackSpace magazine: Lights, buttons, music with Adafruit NeoTrellis #NeoTrellis #Music #Adafruit @Adafruit @HackSpaceMag

HackSpace Magazine Issue 25 features a music synth project by Ben Everard using the popular Adafruit NeoTrellis board.

The Adafruit NeoTrellis brings together some great elements for an electronic musical instrument. It combines an interface that’s responsive, tactile, and flexible (both literally and metaphorically) with a microcontroller that’s powerful enough for some interesting audio effects. Let’s take a look at what this means by building a simple instrument. It combines a step sequencer, a drum machine, and an effects unit into one portable device.

The project is coded in the Arduino IDE.

Read more on pages 92-95 of this month’s issue of HackSpace Magazine – download PDF, buy hardcopy, subscribe.

Check out the Adafruit NeoTrellis – programmable in Arduino or CircuitPython – at the Adafruit store.


As 2022 starts, let’s take some time to share our goals for CircuitPython in 2022. Just like past years (full summary 2019, 2020, and 2021), we’d like everyone in the CircuitPython community to contribute by posting their thoughts to some public place on the Internet. Here are a few ways to post: a video on YouTub, a post on the CircuitPython forum, a blog post on your site, a series of Tweets, a Gist on GitHub. We want to hear from you. When you post, please add #CircuitPython2022 and email circuitpython2022@adafruit.com to let us know about your post so we can blog it up here.

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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CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


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