CircuitPython Power!

Build a simple Guitar Tuner with CircuitPython and Adafruit PyPortal! Use the touch screen to tap on tuning pegs and play music notes. The notes are pre-recorded wav audio files of guitar strings. The graphic of the head stock is a single bitmap. This uses the displayio library for CircuitPython and can be customized to make a unique sound board.

3D Printed PyPortal Case

The Adafruit PyPortal and a mini oval speaker are secured to a 3D printed enclosure using M2.5 screws and standoffs. The PyPortal is mounted vertically and features a built-in holder for a speaker.


Front view of a Adafruit PyPortal - CircuitPython Powered Internet Display with a pyportal logo image on the display.
PyPortal, our easy-to-use IoT device that allows you to create all the things for the “Internet of Things” in minutes. Make custom touch screen interface...
In Stock
Mini Oval Speaker with pico blade connector
Hear the good news! This wee speaker is a great addition to any audio project where you need 8 ohm impedance and 1W or less of power. We particularly like...
Out of Stock
Fully Reversible Pink/Purple USB A to micro B Cable
This cable is not only super-fashionable, with a woven pink and purple Blinka-like pattern, it's also fully reversible! That's right, you will save seconds a day by...
In Stock
Black Nylon Screw and Stand-off Set with M2.5 Threads, kit box
Totaling 380 pieces, this M2.5 Screw Set is a must-have for your workstation. You'll have enough screws, nuts, and hex standoffs to fuel your maker...
In Stock

This guide was first published on Jun 09, 2020. It was last updated on Nov 27, 2023.

This page (Overview) was last updated on Jun 07, 2020.

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