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NEW GUIDE: Holiday Soundboard using NeoTrellis M4 #NeoTrellis #CircuitPython #Soundboard

This guide shows you how to build your own Holiday soundboard. Soundboards are commonly used for sound effects or to select various pieces of dialog on command, though this one features a set of open-source holiday audio clips for bountiful fun and mischief this holiday season.

This project uses the NeoTrellis M4 to create a soundboard capable of playing any of 32 audio clips when the corresponding button is pressed. Sounds are able to seamlessly interrupt one another, so you can press as messily as you like and this soundboard will keep up with you.

The NeoTrellis M4 is an all-in-one Audio board, ready to become your next synth, soundboard, drum machine, keyboard, or any other invention you’d like to adapt it for. It’s powered by the SAMD51, a Cortex M4 core running at 120 MHz, featuring a roomy 512KB of flash and 192KB of SRAM. A separate flash chip provides a full 8MB of space for files and audio clips.

Check out the Holiday soundboard on Adafruit Learn System to learn how to make your own!


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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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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