Transform your home into your own boxing gym with this Matrix Portal M4 Boxing Interval Timer. This guide will show you how to assemble and program your own Boxing Interval Timer using CircuitPython.

This features the Matrix Portal M4, which easily drives a 64 x 32 RGB Matrix display with over 200 colorful LEDs to display the timer with excellent visibility - even for the largest gyms!

The timer uses an IBM Plex mono typeface, using a neon green hue for the first minute and thirty seconds for workout time. The text color changes to a yellowish-amber color for the cooldown portion of the time and red for the resting time.

Parts

Top view of kit contents for MatrixPortal Starter kit.
If you missed out on AdaBox016, it's not too late for you to pick up the parts necessary to build many of the projects! It...
Out of Stock
Video of a person rotating an LED matrix panel with animation resembling falling colored sand.
Folks love our wide selection of RGB matrices and accessories, for making custom colorful LED displays... and our RGB Matrix Shields...
$24.95
In Stock
LED RGB matrix 10.2" x 5.1" with "Adafruit Industries LED Matrix" text showing, and LED acrylic slowly covering to make it nicely diffused
 nice whoppin' rectangular slab of some lovely black acrylic to add some extra diffusion to your LED Matrix project. This material is 2.6mm (0.1") thick and is made of...
$5.95
In Stock
5V 2.5A Switching Power Supply with 20AWG MicroUSB Cable
Our all-in-one 5V 2.5 Amp + MicroUSB cable power adapter is the perfect choice for powering single-board computers like Raspberry Pi, BeagleBone, or anything else that's...
Out of Stock
Angled shot of Micro B USB to USB C Adapter.
As technology changes and adapts, so does Adafruit, and speaking of adapting, this adapter has a Micro B USB jack and a USB C...
$1.25
In Stock

This guide was first published on Feb 28, 2023. It was last updated on Jun 22, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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