After writing and uploading your code to your Matrix portal, you should see a bright green countdown timer displayed. Now you can disconnect your timer from your computer, and with your AC adapter, you will be able to use your countdown timer anywhere an electrical outlet is available.

You can also turn this boxing interval timer into a Pomodoro timer to use the Pomodoro technique!

Pomodoro Timer

The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. It uses a kitchen timer to break work into intervals, typically 25 minutes in length, separated by short breaks. Each interval is known as a Pomodoro, from the Italian word for tomato, after the tomato-shaped kitchen timer Cirillo used as a university student.

To change this timer's countdown time, update the following time:

TIMER_LENGTH = 1500  # 25 minutes

You can also make the timer's text red like a tomato! By updating this line:

elif remaining_time > 90:
        clock_label.color = color[1]

This guide was first published on Feb 28, 2023. It was last updated on May 21, 2024.

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

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