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Pomodor-glow! Improve your study session with this colorful countdown timer

Submitted by Roy Schestowitz on Wednesday 28th of July 2021 03:00:37 AM Filed under
Hardware

Studying without getting distracted can pose a significant challenge to students, which is why having small productivity hacks could be beneficial. Alexandra Charland — who goes by alch_emist on Instructables — wanted to try out the popular Pomodoro technique, which involves working for 25 minutes uninterrupted and then taking a break for five minutes after. To make this approach a bit more appealing, Charland created a countdown box that can light up in different colors.

Charland’s device is comprised of an Arduino Nano 33 IoT that runs a timer for the 25- and five-minute intervals. On the front of the enclosure is a pair of seven-segment displays that show the time remaining on the main timer, and even though these require 10 pins, a shift register can easily be added in the future. The side of the box has a large red arcade pushbutton that when pressed starts or stops the timer.

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