For many years, microcontrollers were limited to blink an LED or make beeping noises to get your attention.

Today our projects can do more than the basics. Modern electronics can play songs and make complex sounds including human speech. The capability to speak is a game changer in building modern projects.

This guide will help you quickly generate the sound files to have your microcontroller the center of your voice capable project.

Parts

For this tutorial, we'll mainly be using the Express line of CircuitPython programmable boards from Adafruit. The ability to use CircuitPython provides many advances in implementing complex programs with just a few lines of code.

A Black woman's manicured hand holds a round microcontroller with lit up LEDs.
Circuit Playground Express is the next step towards a perfect introduction to electronics and programming. We've taken the original Circuit Playground Classic and...
$24.95
In Stock
Angled shot of a Adafruit METRO M0 Express - designed for CircuitPython.
Metro is our series of microcontroller boards for use with the Arduino IDE. This new Metro M0 Express board looks a whole lot like our 
$24.95
In Stock
Angled shot of a Adafruit Metro M4 feat. Microchip ATSAMD51.
Are you ready? Really ready? Cause here comes the fastest, most powerful Metro ever. The Adafruit Metro M4 featuring the Microchip ATSAMD51. This...
$27.50
In Stock
Angled shot of a Adafruit Feather M4 Express.
It's what you've been waiting for, the Feather M4 Express featuring ATSAMD51. This Feather is fast like a swift, smart like an owl, strong like a ox-bird (it's half ox,...
$22.95
In Stock
Two square-ish USB Powered Speakers
Add some extra boom to your audio project with these powered loudspeakers. We sampled half a dozen different models to find ones with a good frequency response, so you'll get...
$9.95
In Stock
Bundle of Small Alligator Clip Test Leads
Connect this to that without soldering using these handy mini alligator clip test leads. 15" cables with alligator clip on each end, color coded. You get 12 pieces in 6 colors....
$3.95
In Stock

This guide was first published on Dec 19, 2018. It was last updated on Dec 19, 2018.

This page (Overview) was last updated on Aug 12, 2022.

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