HIIT Tracker

High-intensity interval training (HIIT) is an exercise strategy alternating periods of short intense anaerobic exercise with less-intense recovery periods. A popular procedure of HIIT is IE1 protocol, most commonly known as the Tabata method. The original Tabata Protocol consists on 5 minutes of warm-up, 8 intervals of 20 seconds all-out intensity exercise followed by 10 seconds of rest, and 2 minutes cool-down.

The HIIT Tracker

The HIIT Tracker is both a Tabata timer and a HIIT 16-week tracker. Based on Nick Tumminello’s 12 Week Interval Workout Progression, users can select their exercise time (10, 15, or 20 seconds), the resting time (also 10, 15, or 20 seconds), and the number of intervals or rounds (from 5 to 8).  Users can repeat the protocol if desired.


Also, the HIIT Tracker helps users track their daily training in a lapse of 16 weeks so they can add 4 more weeks to their program  if needed. The LEDs on the back effectively show the days the timer was activated; due to the intense nature of this kind of training, a single session is enough to trigger the tracker and that day counts as a workout day.

The HIIT Tracker in the marketplace

The prototyping of the HIIT Tracker goes around 70$ that includes:

  • Circuit board and wires
  • Aluminum case with frosted glass top
  • 2 LED Matrices with backpacks
  • 3 bright LEDs
  • Knobs, potentiometers, and switches
  • RTC
  • Buzzer


This is a dedicated product to serve a very specific function. If it hit the market, several adjustments would need to be made such as increasing the action, rest, and intervals range and increasing the number of trackable weeks up to 52 (increasing also the number of LEDs on the back). There a number of alternatives in the market but the majority are only timers and they don’t track a day-by-day progression. Similar products are the Title Boxing MMDIT Digital Interval Timer MMA Accessory ($100), Title Deluxe Gym Timer ($100), Interval Workout Timer,TMR05-B ($29), and others. These timers are special objects that would be purchased by gyms, especially for boxing or MMA training groups. Cheaper alternatives are clocks or watches with timers, and smart phones apps.

The program is still a WIP. Reset functions must be added and a number timer/tracker integration bugs need to be fixed. This is the last working code.


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